230v 50hz 12v jobs:
| Project Name | Description | Type | Bids | Avg (USD) | Skill Required | Started | Ends | |
|---|---|---|---|---|---|---|---|---|
| ... transformer (along with bridge rectifier and capacitor) for conversion from 230V 50Hz AC to 12V 100mA DC. But it is costly and bulky. So we ... it with less costly and light-weight circuit. 12V DC output would be used by IC 4060 ... | Fixed | 17 | $102 | Electronics | May 22, 2010 | - | ||
| Hi friends, I am in need of SMPS with specifications Input 230V/50Hz Indian standard and Output 12V, 10A. Efficiency should be atleast 90%. I need the circuit with minimal and easily available components ... | Fixed | 5 | $103 | Audio Services, Electronics, Engineering, Wireless | Apr 13, 2009 | - | ||
| ... Supplier of 4.5ah 6v SMF battery, 7ah 12v SMF battery, 12ah 12v SMF battery, 20ah 12v SMF battery, 26ah 12v SMF battery, 42ah ... SMF battery, 65ah 12v SMF battery, 100ah 12v SMF battery, 150ah ... battery Power Tech 100 AH 12V AGM Battery The Power Tech ... | Fixed | 0 | Leads | Dec 18, 2011 | - | |||
| Fixed | Jun 28, 2011 | - | ||||||
| ... integrated rotary dimmer-(click) off switch to dim and turn off a 12V halogen bulb. The circuit board + components must be able to fit inside a 10mm (internal diameter) tube. 12V supply wires will come in one end and output wires will ... | Fixed | 11 | AutoCAD, CAD/CAM, Electronics, Manufacturing Design, PCB Layout | Sep 15, 2011 | - | |||
| ... integrated rotary dimmer-(click) off switch to dim and turn off a 12V halogen bulb. The circuit board + components must be able to fit inside a 10mm (internal diameter) tube. 12V supply wires will come in one end and output wires will ... | Fixed | 4 | $138 | AutoCAD, CAD/CAM, Electronics, Manufacturing Design, PCB Layout | Sep 25, 2011 | - | ||
| ... AN IC/uP BASED MPPT CHARGER CIRCUIT TO BE DESIGNED FOR CHARGING 12V BATTERY WITH 6 TO 24 AMPS FROM 12-18V SOLAR PANELS OF ... LEDs IN SERIES(1 TO 3WATTS EACH) WHICH SHALL BE DRIVEN FROM 12V BATTERY. THIS IS FOR SOLAR STREET LIGHT PROJECT USING LEDS. OFFERS ... | Fixed | 2 | $425 | Product Design | Jan 24, 2012 | - | ||
| Fixed | Nov 11, 2011 | - | ||||||
| ... Wall Fixtures • Spotlights • Wall luminaires • Recessed • Picture lights LED lighting • 230V • 12V (so in total 24 articles, 24*600= approx. 14400 words in total) The texts has to ... | Fixed | 10 | $310 | Articles, Copywriting, Internet Marketing | May 11, 2012 | - | ||
| ... be busy building the circuit in the lab. The last day to submit the report is Friday 12th ... that this is a Final Year Project Report for a Bachelor of Electrical Engineering ... a situation where when I receive the report, it is not as required and ... | Fixed | 14 | $161 | Electrical Engineering, Electronics, Engineering, Microcontroller, Technical Writing | Aug 7, 2011 | - | ||
| ... supplied to LED #1. Thermostat will receive 12v also. Once the thermostat passes the ... to the controller, the valves will receive 12v. (opening the valves). Power will then ... button is pushed the controller will remove 12v from the supply valve (closing it) ... | Fixed | 27 | $140 | Electronics | Jul 15, 2008 | - | ||
| ... supplied to LED #1. Thermostat will receive 12v also. Once the thermostat passes the ... to the controller, the valves will receive 12v. (opening the valves). Power will then ... button is pushed the controller will remove 12v from the supply valve (closing it) ... | Fixed | 41 | Electronics, Engineering | Feb 20, 2009 | - | |||
| ... supplied to LED #1. Thermostat will receive 12v also. Once the thermostat passes the ... to the controller, the valves will receive 12v. (opening the valves). Power will then ... button is pushed the controller will remove 12v from the supply valve (closing it) ... | Fixed | 13 | $129 | Electronics, Engineering | Mar 21, 2009 | - | ||
| ... have... down function) Relay sends out +12v - stays on up function) Relay ... trigger. So those are my triggers... +12v on and then off is ... I need to output +12v on PIN1, and Ground on PIN2 ... output Neutral on PIN1 and +12v on PIN2 for a separately ... | Fixed | 31 | $107 | Electronics, PCB Layout | Feb 5, 2010 | - | ||
| Here's my project: I have a few of these 12V USB relays. See link here: http://denkovi.com/product/31/usb-16-channel-relay-module-rs232-controlled-12v-ver-1.html It is fully compatible with visual basic applications. I ... | Fixed | 9 | $211 | C Programming, Visual Basic | Apr 2, 2011 | - | ||
| Fixed | Jul 12, 2011 | - | ||||||
| Description Here's my project: I have a few of these 12V USB relays. See link here: http://denkovi.com/product/31/usb-16-channel-relay-module-rs232-controlled-12v-ver-1.html It is fully compatible with visual basic applications. ... | Fixed | 1 | Engineering, jQuery / Prototype, PHP, Software Architecture, Visual Basic | Jul 30, 2011 | - | |||
| Fixed | Feb 3, 2011 | - | ||||||
| I need an electronic design for the following. I have a mains 230v supply operating a load of up to 2 Kwatts. I need to ... dc voltage supply will be required to power the IR device when the 230V supply is switched off and to have the ability, to reconnect ... | Fixed | 23 | Engineering | Mar 16, 2007 | - | |||
| ... Features: Dry & Wet. Power: 1800w Voltage: 240v Frequency: 50Hz Capacity: 60L Vacuity: >=18 Kpa Net Weight: 12.5kg ... Features: Dry & Wet. Power: 1400w Voltage: 240v Frequency: 50Hz Capacity: 20L Vacuity: >=18 Kpa Net Weight: 6. ... | Fixed | 7 | Sep 13, 2006 | - | ||||
| ... mass produce b. Cheap to mass produce c. Modular (each module is able to be replaced wholly) d. Governed e. Able to charge 12v battery in one hour f. Expandable – generator module is able to be added g. Easy to replace modules h. Flexible in the ... | Fixed | 3 | Electrical Engineering, Engineering Drawing | Mar 14, 2012 | - | |||
| Fixed | May 18, 2012 | - | ||||||
| ... . 3. 24V Battery voltage and current sense circuitry. 4. Isolated 12V,3A supply from PFC o/p. isolated 12V,3A supply from 24V battery voltage. Whenever input Ac supply fails, immediately 12V supply is generated from 24V battery. Work includes H/W ... | Fixed | 11 | $220 | Electronics, Engineering | Jul 12, 2009 | - | ||
| ... cycle time should be around 90 secs The LED's are in banks that require 12v DC, to dim them the circuit is required to pulse between 12v and 0v to give the effect of dimming by altering the mark/space ration. ... | Fixed | 15 | Electronics | May 12, 2006 | - | |||
| ... (110/220 VAC) switching power supply with +12V output (100W) for powering the device, ... Charge control for an internal lead acid 12V battery with automatic fallback (UPS) in ... (external) and 3 PWM for controlling 12V fans speed. - RS232 interface to connect ... | Fixed | 11 | $975 | Electronics, Engineering | Aug 21, 2006 | - | ||
| Fixed | Aug 30, 2011 | - | ||||||
| ... to measure pressures using arduino. http://www.automationdirect.com/static/specs/prosensetransmitters.pdf 2-I want to use a 12V battery to power the arduino and sensor. 3-You will provide list of components and fritzing diagram. Thanks! | Fixed | 13 | $134 | Arduino, Electronics, Microcontroller | Apr 21, 2012 | - | ||
| ... , one USB type A connector, one sata connector, one power connector(12v). Board is self-powered, and on-board regulators must be added to convert incoming 12v to required voltages, including an extra 5v out for powering an ... | Fixed | 22 | $593 | Electronics, PCB Layout | Jul 3, 2010 | - | ||
| ... AC 100-240 V at 50-60Hz. In my case I have only DC 12V available on board. There is a LED backlignt which request a high voltage / ... the back of the screen by a new one which can be powered by 12V DC directly. I have no idea if this is possible, or if we ... | Fixed | 6 | $417 | Electronics, PCB Layout | Oct 6, 2011 | - | ||
| ... 24db,adjustable from 40-70hz this would be complete system, when +12v would be present on the input, charging would start and ... converter{mp2307 modules i would provide} that would convert power from 12v to 4,25V to provide sufficient I so batteries would ... | Fixed | 0 | Electrical Engineering, Electronics, PCB Layout | Nov 30, 2011 | - | |||
| ... of 24db,adjustable from 40-70hz this would be complete system, when +12v would be present on the input, charging would start and ... {mp2307 modules i would provide} that would convert power from 12v to 4,25V to provide sufficient I so batteries would be ... | Fixed | 0 | Electrical Engineering, Electronics, PCB Layout, Product Design | Dec 7, 2011 | - | |||
| ... of 24db,adjustable from 40-70hz this would be complete system, when +12v would be present on the input, charging would start and ... {mp2307 modules i would provide} that would convert power from 12v to 4,25V to provide sufficient I so batteries would be ... | Fixed | 2 | $350 | Electrical Engineering, Electronics, PCB Layout, Product Design | Dec 7, 2011 | - | ||
| ... of the battery. The electronic circuit has to handle batteries of 6V, 12V and 24V. The purpose of the circuit is to determinate the condition ... to indicate what kind of battery is going to be used (6V, 12V or 24V). 2.It has to have a display and buttons ... | Fixed | 14 | $1211 | Electrical Engineering, Electronics, Engineering, Microcontroller | Jan 25, 2010 | - | ||
| ... The unit will be wired directly to: Parking/ clearance lights – positive/+12V when is on Low beam lights – ground when is on High beam lights – ground when is on Ignition – +12V to power the unit. The maximum current/load to power accessory ... | Fixed | 9 | $202 | Electrical Engineering, Electronics, PCB Layout | May 23, 2011 | - | ||
| ... , Double,) Board Action (Gas Strut, Power Lift, Lay Flat) Board Voltage (12v or 24v) Power Length, Data Length, Blue(Y/N) Orange(Y/N ... - (all Y/N) - PCB Board, PCB Remote, Camera, light sensor, 12v LED, 24v LED, 4414G, 4415G, Beacon Plates, Beacon Kit, 199a, ... | Fixed | 5 | $167 | Database Administration | Dec 4, 2011 | - | ||
| Fixed | Feb 6, 2012 | - | ||||||
| Fixed | Jul 13, 2008 | - | ||||||
| ... The product: - To be wall mounted. - Lockable, water/dust proof, stainless steel case, with hinged door. - An outdoor 230v electrical plug with a single BS1363 plug. - Integrated electric meter. - Integrated on/off timer. - All required electrical ... | Fixed | 4 | $938 | CAD/CAM, Electrical Engineering, Engineering, Industrial Design, Product Sourcing | Nov 18, 2009 | - | ||
| Fixed | Nov 1, 2010 | - | ||||||
| Fixed | Nov 1, 2010 | - | ||||||
| Fixed | Nov 3, 2010 | - | ||||||
| ... sine wave frequency can be changed thereby the speed of the motor changes. The range of frequency is between 20Hz to 50Hz. A free-wheeling facility is also provided across the connected load to improve the performance of the circuit whenever the pulse is ... | Fixed | 1 | $700 | Data Processing, Electrical Engineering | Jul 26, 2011 | - | ||
| Fixed | Feb 25, 2012 | - | ||||||
| Fixed | Feb 4, 2012 | - | ||||||
| I need a circuit design probably based around a low power op-amp such as the TL084 to detect 50Hz mains. Requirements: 1. Must be battery operated and give at least 6 months with no alarm activation. 2. Must have 12 inch range or better. 3. Must ... | Fixed | 13 | $208 | Electronics, PCB Layout | Jul 12, 2010 | - | ||
| ... all data being accesible by the Arduino. The device must be able capable of supporting the monitoring of 110 to 240 volts AC 50Hz or 60Hz Power for all components and the Arduino must be obtained from the Ac source. Other than for power sources, ... | Fixed | 12 | $429 | Electronics, Embedded Software, Microcontroller, PCB Layout | Oct 17, 2010 | - | ||
| ... micro controller - http://arduino.cc/en/ I have the micro controller board and the programming. I need electrical schematics as to how to wire up from the board to the appliance, ie: lights/fan/etc The system needs to be compatible with 240V at 50Hz. | Fixed | 18 | $380 | C Programming, Electrical Engineering, Electronics, Microcontroller | Nov 25, 2010 | - | ||
| ... measurement accuracy: ±5% (in range 20W-1400W) temperature sensor: PT100 x 4 input voltage: single phase 230 VAC / 50Hz control: 8-bit microcontroller based user interface: char LCD 2x16 or bigger + buttons PC interface: RS232 switched range of ... | Fixed | 16 | $7197 | Electrical Engineering, Electronics, Microcontroller, PCB Layout, Product Design | Feb 5, 2011 | - | ||
| ... ! We are looking experienced designer, who will design/improve conducted EMI filter for our SMPS. Parameter of SMPS: Vin=180 - 265VAC/50Hz Pin=6.6W; Pout=5W fsw=66kHz IC = LNK606 We need: - schematic diagram - SPICE simulation contains ... | Fixed | 2 | $620 | CAD/CAM, Electrical Engineering, Electronics, Matlab & Mathematica | Apr 19, 2011 | - | ||
| ... looking to modify to incorporate new features. What we are after is an electronics engineer with electrical engineering experience with 240v/50Hz and/or 415v experience to work with us to; * Redesign and supply schematics (Protel preferred) * Produce PCB ... | Fixed | 8 | $394 | Electrical Engineering, Electronics, Manufacturing Design, PCB Layout, Product Design | Sep 20, 2011 | - |
Showing 1 to 50 of 143 entries
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