Keyboard Screen. Arduino, nrf52840, OLED -- 2

What we want to do is use an OLED screen (e.g. [login to view URL]) and with a Adafruit nrf52840 feather express ([login to view URL]) in central mode - allow a keyboard to pair with the board - and print out what the user types.

So expected function.

1. Use any BLE compatible keyboard. Pair with Arduino (nrf feather express) board. Store bonding. Use the User switch on device to force device to drop bonding if pressed.

2. As user types Show text on OLED display.

3. If user types "ESC" then ignore text - until "ESC" pressed again.

4. If user types "RETURN" replay the entire string of text.

Pairing is done by the keyboard using a high rssi number. So whichever keyboard has highest rssi number it pairs with and keeps the binding. (See api [login to view URL])

Configuration Options:

- Allow Font size and number of lines to be configurable. Expect 1,2 or 3 lines (if it fits).

- Brightness of OLED.

Note: We already have a number of projects using the nrf52840 express board. We need to stick to this board please. Obviously you can develop this on any arduino + nrf52840 - but you will need this to develop the project - and probably an OLED screen

Skills: C Programming, Electronics, Microcontroller, Electrical Engineering, Arduino

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About the Employer:
( 27 reviews ) Faversham, United Kingdom

Project ID: #26588269

16 freelancers are bidding on average £438 for this job


Hi I am experienced electronics engineer with more than 15 years of experience. I have read the details and would like to know more about the details. please get in touch if interested in discussion. Regards

£375 GBP in 7 days
(256 Reviews)

Hello sir, I have experience in designing electronics circuits and can develop hardware compatible smartphone and PC based apps. I also have done a lot of IoT projects and can transform your idea into a fully working More

£800 GBP in 30 days
(60 Reviews)
(28 Reviews)

Hi, how are you? Thanks for your project. I've read your description carefully, and I'm very interested in your job. I have been developing many BLE programs using nRF51822/832/840, ESP32, BGM113, and DA14583 for 5+ ye More

£500 GBP in 7 days
(8 Reviews)

Dear, client I checked your description, and I'm sure I can finish this project successfully. I have 20 years experience working as an electrical and software engineer. Especially, I had developed many BLE projects More

£480 GBP in 5 days
(5 Reviews)
(18 Reviews)

Hi,dear. I understand your proposals and I am very interested in this job - 'Keyboard Screen. Arduino, nrf52840, OLED -- 2'. I've already done this kind of project before. I am senior software developer and I am able t More

£416 GBP in 2 days
(2 Reviews)

Hello, Dear. Through my 5+ years of professional experience in the fields of electronics, industrial control and metrology I’ve acquired many skills on both sides of the fence dividing design from maintenance, that to More

£250 GBP in 7 days
(1 Review)

hi, so you want to read the value from keyboard using adafruit board and display to OLED. Seems nice. i can do this project, please contact me for further discussion

£333 GBP in 15 days
(8 Reviews)

Hi I just read your request carefully, and your request will be done within few days. I have rich experience in Arduino, Esp32 and Raspberry Pi with several types of LCDs ( TFT, OLED, GLCD, 4D) and multi sensors incl More

£400 GBP in 10 days
(3 Reviews)

Hello, thank you for your job posting. I am a senior electrical engineer. I have plenty of experience in firmware development and micro-controller developments. I can write the firmware based on Arduino, Raspberry Pi, More

£500 GBP in 7 days
(1 Review)

Hello, thanks for your great job posting about nrf52840. As I'm a talented electronic engineering expert with flexible skills and experience, I can complete your project at high quality in urgent timeline. i hope to di More

£375 GBP in 7 days
(2 Reviews)

I am interested in assisting you with this task. I am an Electrical Engineer by profession with over 6 years work experience, and I have in possession a master’s degree in this field. My experience evolves around: • FI More

£250 GBP in 2 days
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Hello,dear client . I have just read your job description and your project is really interesting to me. I have many experiences working for 8 years with Arduino firmware programming especially. I am sure I can complete More

£500 GBP in 5 days
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i am embedded systems developper and i have more then two year of experience on this field i can do this job for with high quality best regards

£250 GBP in 7 days
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Hi, I am an experienced android and IoT developer. I have worked with similar app which was a breathalyzer for car using bluetooth, arduino, several sensors and display. It used to read data from sensors and display in More

£375 GBP in 7 days
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