555 alarm circuit jobs:
| Project Name | Description | Type | Bids | Avg (USD) | Skill Required | Started | Ends | |
|---|---|---|---|---|---|---|---|---|
| ... A DIAGRAM, I WANT A PHYSICAL ALARM. (1) Description of operation: The ... to be a normally closed circuit, which would alarm if the wire ... available and cheap IC like a 555 IC or a transistor like ... advance for your help. Using a 555 ic is not written in ... | Fixed | 21 | $340 | Electrical Engineering, Electronics, Engineering, Microcontroller, Test Automation | May 30, 2010 | - | ||
| ... available and cheap IC like a 555 IC. (b) It must have a loud alarm, 132 decibel ... battery. (d) The box containing the alarm must be as small as possible ... very low battery drain while circuit is in alarm-off mode (i) ... | Fixed | 19 | $321 | Electrical Engineering, Electronics, Engineering, Manufacturing Design, Mechatronics | Mar 10, 2010 | - | ||
| ... • Power light • Activation light • Alarm light • Transmitter • Receiver The circuit should perform as follows. When the unit ... will also emit an audible and visual alarm. The circuit should also have the following attributes ... | Fixed | 21 | Electronics, Engineering | Jul 15, 2008 | - | |||
| Fixed | Jan 19, 2012 | - | ||||||
| ... and prototype for a RF circuit, wireless with one receptor and ... receptor will active an audible alarm that may only desactivated pushing ... range, this must active an alarm that is only resetted or ... in very small space for circuit and battery. The project must ... | Fixed | 16 | $430 | Electrical Engineering, Electronics, Microcontroller | Oct 23, 2010 | - | ||
| Basic electronic circuit using off-the-shelf electronic components such as ... basic IC such as a 555 timer. Input voltage = 12VDC Outputs ... of finished result: Once the circuit is turned on the relay ... on until power to the circuit is removed. This job is ... | Fixed | 20 | $102 | Electronics | Jan 19, 2012 | - | ||
| ... (60w) bulbs in a similar fasion to police car front lights. I think maybe 555 timer is the best way, but i need this interfacing with 12v (60+Watt) circuit with us of mosfet or similar. Would also like to include function so ... | Fixed | 17 | $85 | Electronics | Feb 7, 2008 | - | ||
| Fixed | May 3, 2012 | - | ||||||
| what I want is to create similar to this circuit http://www.china-inno.com/anti-lost-alarm/IN005A.html but I want to be able to ... here in the attachment you can see the internal circuit, what I think it does: the transmitter sends ... | Fixed | 9 | $227 | Electrical Engineering, Engineering, Microcontroller, PCB Layout | Jul 3, 2010 | - | ||
| Fixed | Dec 25, 2011 | - | ||||||
| ... like an iphone app. It is an alarm clock that wakes you up by ... to you. When you turn the alarm off, it stops and the next day the alarm will start at the point where you finished. ... of selecting what days you want the alarm to turn on. Such as monday, ... | Fixed | 1 | $240 | Cocoa, Mac OS, Objective C | Jul 24, 2011 | - | ||
| ... colors/clock colors/fonts user choes alarm types: music/raido, sound and/ ... over time 5-30min, daily alarm, user adds alarms ability to ... will be when you need alarm to go off) the ability ... ect note section for each alarm - place for notes ability to ... | Fixed | 5 | $1050 | Javascript, PHP, Script Install, Software Architecture, Website Design | Sep 1, 2011 | - | ||
| ... Unit with. The engineer would design the circuit and provide a professionally made digital schematic drawing of the circuit along with all the electronics components ... /names/indexes. We will assemble the circuit at our location. The engineer does ... | Fixed | 22 | $390 | Electrical Engineering, Electronics, Engineering | Jan 18, 2012 | - | ||
| ... must enter a correct passcode to turn off the alarm. (similar to Alarm My Phone) - On detection of movement, &# ... disactivate lock Settings screen allows to change password, to play alarm file and change it Detailed specifications document will be ... | Fixed | 9 | $494 | iPhone | Feb 18, 2012 | - | ||
| ... (and possibly provide prototype) of a circuit to detect low water level and ... is intrinsically safe against electrocuting swimmers. Circuit would include an overfill lockout that ... sensed for more than 20 minutes. Circuit should include LEDs to inform user ... | Fixed | 23 | $197 | Electrical Engineering, Electronics, PCB Layout | Apr 17, 2012 | - | ||
| I need help in miniaturizing a circuit schematic that I have (involves a microcontroller ... pill with half dedicated to a miniature circuit (with a microcontroller) and the other ... advice on how to take my existing circuit diagram and find components and create ... | Fixed | 8 | $635 | Electrical Engineering, Engineering, Microcontroller, PCB Layout | Apr 28, 2012 | - | ||
| I am looking for a highly skilled developer for an iOS alarm clock app. Description : - able to save multiple alarms - able to set different alarm sounds (presets + own mp3 collection) - possiblity to layer sounds ( ... | Fixed | 21 | $821 | Cocoa, iPhone, Mobile Phone, Objective C | May 13, 2012 | - | ||
| Hello, i need an objective-c project for a working alarm clock that dont need to be optimized with UIBackgroundModes (audio). the code must be as described in the apple guidelines. the alarm clock should have a date picker, on/off switch and costume ... | Fixed | 6 | $129 | iPhone, Mobile Phone, Objective C | May 16, 2012 | - | ||
| Fixed | Dec 7, 2007 | - | ||||||
| Fixed | Oct 8, 2009 | - | ||||||
| I'm looking for a iPhone developer for an BUG FREE Alarm clock app. I'll provide designs. Here are some features that will be included: -iTunes Playlist as alarm -Sleep Timer -Weather Feed -Flashlight -Place for ad -in app ... | Fixed | 5 | $485 | C Programming, C++ Programming, Cocoa, iPhone, Objective C | Feb 23, 2012 | - | ||
| I need a circuit board made (project board not PCB), 24Vac going to x2 metal probes (different lengths). Live ... this is a water level sensor - hence the 3 different lengths. When a circuit is made once water bridges a live probe and neutral I want the ... | Fixed | 9 | $172 | Electronics | May 12, 2012 | - | ||
| We are after a Circuit board to be designed for our new product. It will include Memory card readers and USB and Firewire and possibly Power. A Confidential agreement will have to be signed. It should be to hard to someone that knows what they ... | Fixed | 3 | $400 | Product Design | May 14, 2012 | - | ||
| This project involves construction of a prototype of a commercial Fire Alarm according to the features specified in the attached documents. Also the product consists of a power card and a zone card. The power card is already available, only the zone card ... | Fixed | 6 | $58333 | C Programming, Electronics, Microcontroller, PCB Layout | May 15, 2012 | - | ||
| Fixed | Jan 30, 2008 | - | ||||||
| Fixed | Apr 6, 2009 | - | ||||||
| Fixed | Sep 29, 2008 | - | ||||||
| Fixed | Jun 16, 2009 | - | ||||||
| ... colors/clock colors/fonts user choes alarm types: music/raido, sound and/ ... over time 5-30min, daily alarm, user adds alarms ability to ... will be when you need alarm to go off) the ability ... ect note section for each alarm - place for notes ability to ... | Fixed | 3 | $200 | Google Analytics, HTML5, Script Install, Software Architecture, Wordpress | Apr 12, 2011 | - | ||
| ... colors/clock colors/fonts user choes alarm types: music/raido, sound and/ ... over time 5-30min, daily alarm, user adds alarms ability to ... will be when you need alarm to go off) the ability ... ect note section for each alarm - place for notes ability to ... | Fixed | 12 | $365 | HTML, Javascript, PHP, Software Architecture, Website Design | Jun 5, 2011 | - | ||
| ... for a sustained period of time. The alarm should feature basic functions The ... also left to the bidders discretion. Alarm clock required functions: Digital Clock ... (every day/weekly/monthly) Edit alarm settings (volume, repeat/snooze function) ... | Fixed | 7 | $210 | iPhone, Mobile Phone | Feb 2, 2012 | - | ||
| Fixed | Jan 26, 2009 | - | ||||||
| Fixed | Nov 2, 2010 | - | ||||||
| ... user for a passcode to deactivate the alarm. When it has been deactivated with the ... or not a sound plays when the alarm is activated. Choose from a couple of ... . Set a passcode for deactivating the alarm. Enter their facebook login details. Button ... | Fixed | 0 | C++ Programming, Cocoa, iPhone, Mobile Phone, Objective C | Jan 1, 2012 | - | |||
| ... user for a passcode to deactivate the alarm. When it has been deactivated with the ... or not a sound plays when the alarm is activated. Choose from a couple of ... . Set a passcode for deactivating the alarm. Enter their facebook login details. Button ... | Fixed | 19 | $747 | C++ Programming, Cocoa, iPhone, Mobile Phone, Objective C | Jan 1, 2012 | - | ||
| Fixed | Feb 22, 2012 | - | ||||||
| ... looking for someone to design a circuit for me that will consist of the following. Thermistor circuit to detect moving air for one ... switch has signled to stop. This circuit will drive a motor of 12vdc 3-5 amp. Circuit should be 12vdc. I will require ... | Fixed | 5 | Electronics | Mar 27, 2006 | - | |||
| Simple LED watch circuit powered by a 3v button cell battery ( ... -5 seconds). In short a very standard circuit. This is for a prototype so the ... but a key feature is that the circuit can be bend i.e build as a flexible circuit. Also it needs to be thin so ... | Fixed | 7 | $129 | Electronics | Nov 8, 2007 | - | ||
| ... supply with a battery charge and supply circuit to provide power when the input ... a couple of LED indicators. The battery circuit must disconnect the battery at a ... and cheap device. Deliverables are: 1. Circuit design 2. Gerber, solder resist, ... | Fixed | 13 | Electronics | May 23, 2008 | - | |||
| ... high signal from a TTL compat. circuit). It must have non-volatile ... count is not lost when the circuit is powered down), and a reset button. I just need the circuit -- I do not need a ... . I will release the escrow after the circuit is successfully tested. ... | Fixed | 17 | Electronics | May 12, 2009 | - | |||
| ... configurable time for snooze. - flashing screen when alarm is active for hearing impaired. - ... to override auto lock - include numerous alarm sounds by default Here are some ... on Saturday. Each can have unique alarm sound (or song/playlist). - Large & ... | Fixed | 3 | $433 | C Programming, C# Programming, Mobile Phone | Aug 4, 2009 | - | ||
| Fixed | Sep 17, 2009 | - | ||||||
| ... Java JRE, to instigate an "Alarm" (as in the usual ring at 7:00 type alarm) I have an application largely written ... make the App set up an alarm (ie something to ring at a ... to activate an application when that alarm goes off. It seems like ... | Fixed | 7 | $436 | J2EE, J2ME, Java | Feb 20, 2010 | - | ||
| ... the use of an off-the-shelf circuit board. Essentially, the board is a relay ... to the use of two diodes on this circuit board. On the schematic, they are ... If you need further reference, the entire circuit is here: http://wepersonalizegifts.com/031510/ ... | Fixed | 28 | Electrical Engineering, Electronics | Mar 15, 2010 | - | |||
| ... and disarming, also button to sound the alarm. As simple as possible. Within same ... ( incorrect password, please try again), alarm sounded, alarm muted. Button "arm" ... button is used for arming and dissarming alarm. Same with "sound" alarm ... | Fixed | 10 | $62 | Java | Jan 25, 2011 | - | ||
| ... who can develop the following application : Tasks based alarm clock Tasks based alarm ... that provides the user with a standard alarm clock that stops ringing after the ... case task is not completed – alarm clock keeps on ringing Application base ... | Fixed | 54 | $2128 | Android, Mobile Phone | Mar 20, 2011 | - | ||
| ... a layout of a miniature print circuit board that credit / debit cards ... use my mini123 card reader print circuit board for it? And how/ ... it on the Verifone V670 print circuit board? I'm from The ... a picture of the print circuit board form the Verifone V670. ... | Fixed | 0 | Manufacturing | May 29, 2011 | - | |||
| ... shown • Once the user saves the alarm the application will: - Bring up an image ... email to a friend. Notes: - When the alarm goes off, the application is to ... and unlock the screen ?(if applicable) The alarm should not interrupt phone calls All ... | Fixed | 14 | $1311 | Android, Mobile Phone | Jul 31, 2011 | - | ||
| ... project is to create a wirelessly activated alarm device that is camouflaged as a ... . Brief: Two pieces of hardware - an "alarm unit" and a "control unit". Alarm ... receiver and antenna • Sound an alarm when a specified wireless transmission is ... | Fixed | 4 | $3075 | Electronics, Engineering, Microcontroller, PCB Layout, Wireless | Feb 9, 2012 | - | ||
| ... s and one thousand’s. The circuit will require two displays (two ... 4 7-segment displays). The circuit will require eight 7-segment ... an LED to show wether circuit is on or off. I ... the computer program ‘Livewire circuit simulator’. If this is not ... | Fixed | 31 | $153 | Electrical Engineering, Electronics | Feb 23, 2012 | - |
Showing 1 to 50 of 1931 entries
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