Bluetooth experience jobs
...developer who can create a seamless application that interacts with Arduino via Bluetooth. Your responsibility will be to ensure the app gets specific sensor data, in this case, Analog-to-Digital Conversion (ADC) values in the range of 0-1023, via its Bluetooth connection. Skills required: - Proficiency in TensorFlow Lite for running the model's results - Experience in handling Arduino systems - Strong skills in app development, particularly Bluetooth communication capabilities The primary functionality of this app will be to run the TensorFlow Lite model and display its results based on the received ADC values. I am particularly interested in individuals who have a solid understanding of handling sensor data from Bluetooth and running TensorFlo...
As we grow, I need an outbound sales virtual assistant who can handle: - Making outbound calls - Inserting data in our CRM While outbound calls are a significant portion of this role, updating our CRM is equally important. I need someone who is able to document and track progress regarding potential leads. The ideal candidate is someone who is comfortable making cold calls, has experience in lead generation and appointment setting. They should be experienced in using CRM tools. The specific CRM tool we use has been left blank as that is less important to us than the assistant's proficiency in handling and updating CRM tools in general. This is a permanent WFH.
Digital Marketer with Experience running ads for dating or matrimonial website More details: Is this project for business or personal use? For an existing business What information should successful freelancers include in their application? Experience How soon do you need your project completed? ASAP
...gauges which will display data passed to it via Bluetooth. Those gauges might have a "dial" which needs to move based on data sent to it or it can be just a "text based display" depending on which UI is chosen by the end user. What language it is written in doesnt matter much. It just needs to be able to have user selectable UI's which can be designed by me after you complete the project. If you know how to write this application but are not a graphics designer, thats OK, I have a graphics designer that can work with you on the UI. Requirements: 1. Receive data via Bluetooth from a PCB I designed. 2. Send data back to the PCB I designed, based on user selections or touch input. 2. Manipulate gauges based on input sent via Bluetooth...
Should know how to send bulk cold emails to no optin data. Should know how to land in the inbox instead of landing in spam. Should know how to increase Emails open rate. Should know how bulk cold email works and what are the core elements that effect an email to go into the inbox.
Should know how to send bulk cold emails to no optin data. Should know how to land in the inbox instead of landing in spam. Should know how to increase Emails open rate. Should know how bulk cold email works and what are the core elements that effect an email to go into the inbox.
Please read this carefully and only apply if you have both Native iOS and Android experience AND Titanium experieince, ideally with knowledge about titanium extensions. We have an App developed in Titanium but we need to integrate with an SDK and API for TTLock that needs native, we therefore need a developer who can create the extension into Titanium so our existing App can communicate with the TTLock SDK and API. Please can you apply and tell me the following: 1. Do you have experience with both iOS and Android native Code 2. Do you have experience with Titanium 3. Are you aware of Titanium Extensions and can you develop one for the TTLock Native SDK/API? Only apply if you have both Native and Titanium and understand Titanium Extensions. Do not private message me...
I need a skilled web developer to construct a dynamic blog website focused on sharing my personal experiences. This platform will be heavily centered around photo posts, though it will surely accommodate text as well. Ideal Skills and Experience: • Proficiency in web development with a specific focus on blogging platforms. • Experience designing visually engaging interfaces that highlight photo content. • Knowledge of best practices for optimizing image-based web content. Responsibilities: • Implement a clean, user-friendly blog design. • Ensure the website is optimized for displaying and managing photo posts. • Set up the blog to facilitate easy updating and management on my end.
...individuales. El software de inteligencia artificial así como la plataforma que lo soporta irán a parte del ecommerce y será el "cerebro" del hardware (robots). Los usuarios podrán o bien solo subscribirse a la webApp de interacción tipo o bien adquirir también el hardware (robot, muñeca, muñeco realísticos). Una vez tengan el hardware, desde la webAPP (smartphone o computadora), vía bluetooth el robot tendrá capacidad de habla, memoria, deep learning, machine learning etc. A su vez a través de gafas de AR (no VR, aunque también funcionarán), el usuario podrá ver ciertas cosas en el hardware como movimientos faciales, expresiones en base a los sentimientos,...
I'm seeking an expert software developer to design a robust driver for a Bluetooth Low Energy (BLE) chip, specifically for the Windows 10 platform. This mission-critical project requires seamless functionality in several key areas: - Device Discovery: The driver should be able to accurately and quickly identify devices equipped with the specified BLE module which is the bt832 this BLE module is based on the nordic nrf52 chip and uses the following protocols: Bluetooth 5.0 Bluetooth, Ble 802.15.1 - Device Pairing: Secure and efficient pairing with this module. - Power Conservation: The software must be able to engage the low power mode in this chip for better power efficiency. - Reduced Processor Load: The driver must be designed in a way that it minimally i...
I am in need of programming for a Raspberry Pi 4 that includes a GPS Neo 6M, 5-inch LCD, and Bluetooth speaker. Key Functionalities: - GPS tracking: The code should constantly compare a predefined latitude and longitude with the current one. - Alarm: When the pre-defined and current coordinates match, an alarm should be sounded through the Bluetooth speaker. - Display: should also appear on the 5-inch LCD, along with speed and corresponding coordinates. - Frequency: The GPS data comparison should happen continuously. The ideal freelancer for this project should have extensive experience with Raspberry Pi, GPS systems, Bluetooth technology, and display interfaces. gridBagConstraints
...speed and user experience. Here's what you'll need to do: • Identify and remove bloated code or unnecessary plugins that are slowing down my Shopify store. • Prioritize and implement solutions to improve store speed. • Revamp user experience for smoother navigation and improved buyer journey. The ideal candidate for this project should have: • Extensive experience in Shopify platform management and customizing its functions. • Expertise in JavaScript and how plugins can impact performance. • Proven track records of improving website speed and user experience. • Strong understanding of e-commerce best practices, specifically Shopify. • Understanding of SEO principles will be a plus. Your proposal should ...
Need social media expert to strategize, post, engage with followers and drive traffic to my adult content sites ASAP You must be skilled in strategy for creating & growing accounts on Twitter & Instagram, with knowledge of how to drive traffic a...content sites (OnlyFans & Fansly) More details: - post, engage, and provide strategies to grow instagram and twitter accounts - drive engagement & traffic to OnlyFans and Fansly accounts - Must be great at communicating in English & able to replicate my communication style (will provide lots of examples) - Experience with promoting adult content / knowledge of the adult content creator space OR proof of why you’d be successful at this if you have no experience Please send any experience & ...
I need a specialist for blog development, specifically a platform where I can share my personal experiences. Central to this project is the integration of a search function, enabling visitors to effortlessly navigate and explore my varied content. Ideal skills and experience: * Proven track record in blog development * Ability to implement a high-functioning search feature * Experience in creating engaging and user-friendly interfaces * Strong understanding of SEO best practices to drive traffic to the blog.
We're looking for an expert developer who knows in and out of stripe products especially the connect offering. We've have a sas platform and would like to charge certain % commission to suppliers and transfer rest of the funds to their account.
I Am Looking For A Game Developer That Has Experience With Poker Games And Slots. I Need Him To Help Me Upload The Game To A Server And Help Me Fix It. Server Code Has Bugs And Game Keeps Stopping Also I Need Him To Help Me Build A Game For The Play store Game Its Build On Unity I Will Need The Developer Also For A Future Updates Please If You Have No Experience With Poker Games I Am Asking Kindly Not To Text Thank You
...establish connectivity with a mobile app to control WiFi settings, manage the device's connection status to WiFi, and monitor connected Bluetooth devices as well as those in proximity. Presently, the web interface becomes accessible after connecting to the ESP32 WiFi. However, the current process requires manually entering the WiFi name and password on the web interface. I propose that we implement a feature where the device searches and displays available WiFi networks, allowing the user to select one and then enter the corresponding password. The same functionality should be integrated into the mobile app. Furthermore, I want the mobile app to list all Bluetooth devices detected by our code, mirroring the information displayed in the serial monitor. Currently, the...
...pressure and A unique feature I would like integrated is an ability to navigate a car map and utilize a 'Car Play' driving mode. To ensure seamless communication with the vehicle, the application should be developed to connect via Bluetooth and wifi . Additionally, for the navigation and mapping features, it is of my preference that Google Maps be incorporated into the app. The ideal developer has a strong track record in mobile app development, specifically one with experience in map integration and developing interfaces with physical systems over Bluetooth. A thorough technical understanding of both iOS and Android platforms is crucial. I look forward to seeing your innovative approach to this project. • The app in English and main language is ...
The task is to edit the images in this folder below: I would like the edit to brighten the photos, sharpen the images to make them clearer, and lightly airbrush the skin. (remove any discolouration, blemish or shine. Make skin look clear and smooth) Here is an example of the style I would like the photos to look after the finished edit. https://www.mediafire.com/folder/28apczfqsx6y6/IMAGE+EDIT+EXAMPLE
The aim of this project is to have BTCPayserver () integrated into our existing Drupal 7 store, which is currently utilizing the Commerce module. For this task, we need someone who is well...Commerce module. Here’s what I am looking for: - Integration of BTCPayserver as a payment processing option - Appropriate configuration with our Lunanode server - Required technical knowledge to work with Drupal, Commerce module, and BTCPayserver, and Lightning Network. - Automatic payment status updates in the commerce platform upon Bitcoin transaction confirmation Contact me if you have previous experience integrating BTCPayserver payment gateways into Drupal Commerce and are able to make this update instant. If you never done this type of work before, please DO NOT bid this project.
...developer to create an application that enables two mobiles to connect together, via Bluetooth or any other method. This app should be compatible with both Android and iOS platforms. Key Features: - When a call is received on the primary device (for example a Samsung S10 with a sim card), the app should enable the call to be displayed on a second device (such as a Samsung S24 Ultra). - Essential functionalities include displaying the caller ID, allowing the call to be answered from the second device, and recording call logs. - The app should also have the capability to make outgoing calls from the connected device. Ideal Skills: - Experience in developing cross-platform mobile apps - Proficiency in Bluetooth connectivity - Knowledge in implementing call functiona...
This proje...application. The app needs specific features such as: - Push notifications - GPS location tracking As the objective of this app is to help users navigate and make decisions based on their locations, experience with developing navigation apps or similar is advantageous. The ability to intuitively integrate location tracking services is a must. Please note that e-commerce components will not be a feature in this project, thus focus is purely on creating an effective and user-friendly navigation system. Ideal Skills: - A strong understanding of Android SDK - Proficiency in Java or Kotlin - Experience with location tracking services - Knowledge of push notifications If you believe this fits your skillset, do not hesitate to place a bid for this engaging and cha...
I'm seeking a skilled game developer to create an immersive, horrifying VR haunted house game. Set within a realistic, haunted house environ...players across a Local LAN environment Only. Key Features: - Players should be able to walk freely around the assigned space (6DoF) - The game must emanate intense realism to fully immerse players in the experience - Equipped with a chilling audio, the game should invoke fear among players Ideal freelancer for this project should: - Have profound experience with VR headset game development - Have an understanding and experience of developing 6DoF games - Showcase expertise in crafting highly realistic visuals - Have a knack for creating intense, fear-inducing game mechanics - Have experience in developing multipl...
I'm seeking a developer proficient in creating Bluetooth Low Energy (BLE) interfaces on webpages. Your primary task will involve: - Designing or implementing a BLE interface on my webpage that is capable of connecting to external devices specifically ESP32. Bluefy type of tool. I currently use LightBlue for testing. Your depth of understanding and past experiences with BLE technologies will be critical to the success of this project. Additionally, your ability to work with ESP32 devices and your understanding of how to effectively connect these devices to webpages using BLE technology will be cardinal. Key skills and experience: - Extensive experience with designing and implementing BLE interfaces - Proven track record with incorporating BLE technology on web...
Job Description: Firmware Engineer Position: Firmware Engineer Experience Level: 2+ years Preferred Skills: Raspberry Pi, STM32 Microcontrollers Job Summary: We are seeking a talented Firmware Engineer with a minimum of 2 years of experience to join our dynamic team. The ideal candidate will have a strong background in developing firmware for embedded systems, particularly with Raspberry Pi and STM32 microcontrollers. As a Firmware Engineer, you will be responsible for designing, implementing, and testing firmware solutions to meet project requirements. Responsibilities: Design and develop firmware for embedded systems using Raspberry Pi and STM32 microcontrollers. Collaborate with hardware engineers to define system architecture and specifications. Implement firmware fea...
... ensuring seamless multi-device connectivity, bluetooth OTA updates, and data transmission. While expertise in creating React Native apps is crucial, you will also be expected to have the following qualifications: • Proven experience in developing production-ready React Native applications with BLE integration. • Strong understanding of background communication with peripheral BLE devices. • Experience with RxJS is a plus, particularly for managing multiple device connections. • Familiarity with AWS services, including Lambda, S3, and DynamoDB. • Proficiency in and Node.js for backend development tasks. • Experience with Kotlin/Swift is desirable, especially for platform-specific tasks related to BLE communication. • Prior ...
I am seeking an expert specializing in CrowdStrike Identity Protection (IDP) and Ping federate, able to carry out comprehensive task that includes: 1. **User Access Management Improvement:** - Simplify...single sign-on system for seamless login. - Enable multi-factor authentication (MFA): Added layer of security by enabling MFA is needed. 3. **Integration with other Applications** - This will involve ensuring that the configured system interacts seamlessly with other relevant applications to provide a synchronized working environment. Ideal candidates for this project should have extensive experience and advanced skills in system configuration, user access management, and application integration. An understanding of CrowdStrike Identity Protection (IDP) and Ping federate...
I need a camera operator with knowledge on the workings of a GoPro Hero 12. The shoot will be at one location in Clerkenwell, London. Creative input is expected and welcomed. Ideal candidates should have proven experience with Gopro Hero 12, know how to set up bluetooth/wifi audio and some experience shooting food would be an advantage. Sunday April 7th 2024 is day one but it will be an ongoing job..
...Proficiency in programming languages like Python, experience with libraries like TensorFlow, PyTorch, and scikit-learn. ● Strong understanding of machine learning concepts, algorithms, and techniques (deep learning a plus). ● Experience with data pipelines, data cleaning, transformation, and feature engineering. ● Expertise in Natural Language Processing (NLP) techniques for text processing tasks. ● Experience in model training, evaluation, optimization, and deployment. ● Excellent analytical and problem-solving skills. ● Strong communication and collaboration skills to work effectively with cross-functional teams ● Ability to stay up-to-date with the latest advancements in AI, machine learning, and NLP research. Qualifications: ● Proven experience building a...
...the project is to create a pet-tracking app with a monthly subscription model. The app will use a Bluetooth tracker to track the live location of pets in real-time. Key Features: - Real-time location tracking: Users should be able to see their pet's live location. - History of pet's location: The app should keep a history of pets' previous locations. - Geo-fencing: The option for users to set up Geo-fencing, alerting them if their pet goes beyond a certain range. Ideal skills include: - Cross-platform app development (iOS & Android) - Familiarity with Bluetooth technology - Geo-fencing development experience - Experience with subscription-based app development. Candidates with previous experience or existing projects related to pe...
I'm in need of an expert's assistance to collect data on customer service experiences through a well-structured survey. This task demands a keen sense of understanding regarding customer feedback collection, and specifically a comprehensive know-how in designing surveys targeted towards gauging customer service experiences. Key Competencies Required: - Experience in market research/data collection - Acquaintance with crafting effective surveys - A knack for customer feedback analysis especially revolving around customer service The ideal candidate would be responsible for formulating surveys to generate meaningful customer feedback that would ultimately contribute in enhancing our customer service. Sincere applicants with relevant experiences are welcome. Your role wou...
...machine also features four push buttons for calibration. The goal is to replace the wired connections with wireless modules (e.g., Bluetooth or Wi-Fi) and develop a mobile app (Android/iOS) to receive and display BMI results. The freelancer will need to: Replace wired connections with wireless modules for weight scale, HCSR-04 sensor, push buttons, and PCB. Modify the PCB to interface with wireless modules. Develop a mobile application to receive data wirelessly and display BMI results. Implement calibration functionality in the mobile app. Test and debug the wireless communication system. Skills Required: Experience with wireless communication modules (e.g., Bluetooth, Wi-Fi). Proficiency in PCB design and modification. Mobile app development skills (Android/iOS)...
We are looking for an experienced C#/.NET developer to fix issues for the existing Inventory management app. The app was integrated with the MySQL database. Requirements - C#/.NET Framework - desktop application development - MySQL database
I'm looking for some College level students that are writers and journalists. I need some writers that are in tune with American Sports & American Hip Hop. You will be working for a Instagram page that is very much like @Complex and @WorldStarHipHop If you have an understanding and love for Business then thats even better! Your job will be to find very very interesting stories and connect them to how it impacts the topic's business. PLEASE NO AI / ChatGPT APPLICATIONS: In your application I want you to write about Sports and Hip Hop topics that have gone on this week. Write as much as you can and about whatever comes to mind. In your application I want to see what you're writing style is like and the things that you are interested in. If you can add some business k...
Project Details: We are building a voice and video...Whatsapp. Our solution requires initiating voice calls over a data network from a WhatsApp Service channel between two clients A & B. The solution should be scalable for many simultaneous calls that happen between any unique pair of clients. All calls need to be recorded, monitored and stored in cloud storage for analytics. We are seeking a strong product leader who can undertake the below 1. User Experience design - create intuitive and user-friendly product experiences. 2. Product Solution designing - evaluate multiple solution options and finalise one that best suits our use case 3. Market Analysis - monitor market trends, competitive landscape, and customer feedback to make data-driven decisions about product features and...
We are looking for a developer for a LONG TERM cooperation for a developer to participate in th...(version 11+) - Java springboot - Ionic Mobile Apps - MySQL - Kafka Other good to have skillls - Understanding of e-commerce catalog & order data model - Payment provider integration - Bluetooth & POS printer connectivity - Java FX for desktop application - nice to have No agencies, please! Ideally, we would like a developer that would be able to dedicate 20 - 40 h per week, so it is ok to have another job too but 8h/day can be considered Must have - Excellent English / communication skills - Able to do meetings with voice / video (not only typing) - Very good understanding of requirements and analysis Experience of 3-4 years We are flexible to pay by hour or as fixe...
Having plans to streamline our business processes, I'm in need of a proficient expert in ERPNext and Odoo. The professional should possess the following skills and experience: - We are interested in migrating to Odoo or erpnext open source and have several requirements: 1)We need to customize their database to suit our needs. 2)We are open to developing additional models as required. 3)We expect you to create APIs, or we can provide them for both push and pull functions. 4)Customizing reports according to our specifications is essential. 5)We will provide APIs with formulas for implementation either in the database or within the API itself for display purposes. If feasible, we are open to freelance or part-time arrangements. Please provide your expectations.
Job Title: Call Center / Customer Service / Sales Expert with VICIDialer Experience Company: Optimal Health Network Location: Remote Position Type: Full-time About Us: At Optimal Health Network, we are dedicated to providing top-notch customer service and sales solutions in the healthcare industry. We prioritize excellence in every interaction and strive to deliver optimal health solutions to our valued customers. Job Description: We are seeking a dynamic and experienced Call Center / Customer Service / Sales Expert to join our team. The ideal candidate will be proficient in utilizing VICIDial and possess extensive experience in voice-based customer service and sales roles. As part of our team, you will play a crucial role in delivering exceptional service to our client...
Responsibility: 1. Collaborate with our team to understand our brand identity and design requirements. 2. Create original and innovative logo designs that align with our brand aesthetic 3. Deliver high-quality work within specified deadlines Requirements: 1. Proven experience as a logo designer, with a strong portfolio showcasing previous work 2. Proficiency in graphic design software such as Adobe Illustrator and Photoshop Other details: 1. Combination of text and symbol 2. Minimalist and clean 3. Pastel colors
I'm seeking a talented animator to bring my voiceovers to life on a digital whiteboard. These educational videos, aimed at an adult audience, should be around eight...bring my voiceovers to life on a digital whiteboard. These educational videos, aimed at an adult audience, should be around eight minutes long. I will provide with the voiceovers. I will also provide link to a sample video. Looking for long term friendship in this field. So quote your competitive price. Key Requirements: - Ability to create classic black and white whiteboard animations - Experience in developing content for adults - Able to accurately depict the topics provided through the voiceover - Commitment to deliver an 8-minute-long video - Strong understanding of how to engage and educate through visu...
I'm seeking an intermediate level Research Assistant, highly proficient in Python to assist me develop ML...MAE, RMSE, MAPE etc then already applied models * Step 3: Documentation of the work, along with a discussion to validate the model's usage ,compare with step 1 results and justify it as a Scientific research. Ideal Skills & Experience: * Proficient in Python programming language * Prior experience in Machine Learning and Deep Learning algorithms * Anyone with Past Experience as a research assistant will be highly appreciated Please only apply if you hold proficiency in Python programming ,Have past experience in research related tasks and have intermediate experience in Algorithms. Familiarity with ML and DL techniques and an abil...
...specifics: - The issue at hand is still under litigation. However, a foreclosure proceeding is to be conducted. - A court ruling has already been issued concerning the foreclosure but, strangely enough, it's based on an order from an Arizona court while the judge is in Georgia. Skills and Experience Required: - Familiarity with property law and foreclosure processes - Experience in drafting legal documents, especially show cause orders - Ability to research and comprehend court rulings - Experience in working with legal issues related to mistaken identity, incorrect documentation or unpaid mortgages. It's important that the drafted order is compelling and clear to prevent a wrong foreclosure. Your expertise will be central in ensuring...
I'm seeking a talented animator to bring my voiceovers to life on a digital whiteboard. These educational videos, aimed at an adult audience, should be around eight...bring my voiceovers to life on a digital whiteboard. These educational videos, aimed at an adult audience, should be around eight minutes long. I will provide with the voiceovers. I will also provide link to a sample video. Looking for long term friendship in this field. So quote your competitive price. Key Requirements: - Ability to create classic black and white whiteboard animations - Experience in developing content for adults - Able to accurately depict the topics provided through the voiceover - Commitment to deliver an 8-minute-long video - Strong understanding of how to engage and educate through visu...
I'm seeking an app developer with the know-how to deliver a business application compatible with both iOS and Android platforms. Your role will primarily involve adjusting, packaging, and deploying...primarily involve adjusting, packaging, and deploying my existing application, so having an understanding of cross-platform development is crucial. Main requirements: - Experienced in iOS and Android app development - Able to optimize an application for both platforms - Experienced with packaging and deployment process - Knowledge and experience with API integration Since I have the APIs ready, the developer needs to integrate them into the app. Having prior experience with business apps will be a plus, though not required. Please include in your bid any similar apps yo...
...did not specify the features I want it to have. Nevertheless, your application should include a detailed project proposal. Based on your expertise, you can suggest possible features that can enhance the plugin's functionality and performance. Keep in mind our primary industry revolves around courier and freight delivery services, any features you propose should align with this field. Skills & Experience: - Proficient in WordPress Plugin Development - Have a deep understanding of Shipping/Courier Industry - Proven track record of successfully developing and implementing complex plugins. - Excellent problem-solving skills - Ability to propose innovative features based on industry needs Any evidence of your previous work along these lines would be greatly appreciated and...
As a developer, I am embarking on creating an iOS app designed to communicate with a Raspberry Pi (RPI) over Bluetooth (BLE). The primary purpose of this app is to send and receive text messages, facilitating device control. Key Features: - Message Exchange: The app should be capable of sending and receiving text-based instructions from the Raspberry Pi. - Device Control & Script Execution: The iOS app should have the flexibility to control devices connected to the Raspberry Pi and run specific scripts based on the transmitted text messages. Ideal Skills: Experience in iOS app development, Bluetooth communication, and understanding Raspberry Pi's functionality is crucial for this project's success. Working knowledge of device control using scripts is a...
I'm seeking to create a cross-platform application that employs a minimalist design approach. Attention to details and t...minimalist design approach. Attention to details and the ability to create a clean, clutter-free user interface is essential. The key feature we want to implement is Bluetooth capabilities. Here is a quick rundown of the job expectations: * Develop a cross-platform application for iOS and Android platforms. * Apply a minimalist design philosophy to the app's aesthetics. * Integrate advanced Bluetooth capabilities. Ideal skills for this job: * Expertise in cross-platform app development, preferably with experience in Flutter or React Native. * Proven ability in minimalist UI/UX design. * Solid understanding and experience with ...
...primary purpose of this application is to connect to smartwatches via Bluetooth and gather data. Specific Task Details: - The app needs to connect to smartwatches using Bluetooth technology. - The app should collect several types of data: health metrics, user-input data, and any other raw data that can be captured from the smartwatch. - The health metrics I'm interested in are: Heart rate, Sleep data, Step count amongst others. If the watch captures more data, the app should be able to collect it as well. Ideal Skills: - Extensive experience in app development, specifically for wearables. - Knowledgeable about Bluetooth connectivity protocols. - Understanding of data collection methods from wearable devices. - Experience or familiarity with h...
