| 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 ... that at our end. Note: This type of power supply circuitry (along with enclosure and cable) ... | 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 along with the ... | Fixed | 5 | $103 | Audio Services, Electronics, Engineering, Wireless | Apr 13, 2009 | - | ||
| Need schematic design + BOM for a transformerless Power supply to supply 12V dc @100ma. Input is 230Vac @ 50 hz. BOM price must be as low as possible. Schematic delivary can be PDF or native Eagle or ORCAD files. PCB layout is not necessary. This ... | Fixed | 22 | $128 | CAD/CAM, Electrical Engineering, Electronics, PCB Layout | Dec 16, 2011 | - | ||
| ... design for the following. I have a mains 230v supply operating a load of up to ... say 40 milliamps to switch off the power supply to the load. An additional circuit ... will be required to power the IR device when the 230V supply is switched off and to have ... | Fixed | 23 | Engineering | Mar 16, 2007 | - | |||
| ... ; I would like this gift box designed. Use the brand name: ... ;60LVacuum2.jpg" Please feel free to use whatever other general ... believe could make this gift box look HOT. -------------------------------------------------- For "template2 ... | Fixed | 7 | Sep 13, 2006 | - | ||||
| ... easy breadboarding. This project will require a PIC microcontroller (powered by a 3v battery) ... Optical isolation between the inputs and the PIC is required. Use resistors/zeners/MOVs ... be capable of switching a 1-amp control signal at 120VAC. Two of ... | Fixed | 15 | C Programming, Electronics, Product Design | Mar 26, 2012 | - | |||
| ... : ≤5W/37dBm; Frequency: 227~ 233MHz, Modulation: MSK Transmitting current: <1.6 A; Receiving current: <100mA; Voltage: DC 12V; Baud rate: 1200 ~ 4800bps optional; Range: 10km (BER=10-3@4800bps); Size: 96×58& ... | Fixed | 4 | Linux, Wireless | Aug 23, 2008 | - | |||
| Fixed | Sep 22, 2008 | - | ||||||
| ... supplied by a computer ATX power supply (+12V or +5V) the board must output +1.8V and -1 ... the standard internal 4 pin peripheral power cable (+15, +5, Gnd) from a ... PC USB interface or internal SATA power cable). The maximum output current required ... | Fixed | 18 | $112 | Electrical Engineering, Electronics, PCB Layout | Jul 4, 2011 | - | ||
| 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 | Nov 11, 2011 | - | ||||||
| Fixed | Feb 25, 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 | - | ||
| ... (not a PCB) for a RELIABLE system to send power metering data of an AC powered product (110V/60Hz or 220V/50Hz). Maximum power consumption will be 3500W. Transmission device will be HOPERF RFM12B transceivers (868MHz) http://www.hoperf.com/rf_fsk/cob/ ... | Fixed | 7 | $122 | Electronics | Jan 7, 2012 | - | ||
| ... : stainless steel body, painted with white epoxypolyester powders anti yellowing, with phosphate and degreasing pretreatment. Standard gear: electronic ballast 230V Rules: fittings manufactured according to the IEC 598 – CEI 34-21 rules. | Fixed | 1 | $200 | Translation | Jan 10, 2012 | - | ||
| ... : stainless steel body, painted with white epoxypolyester powders anti yellowing, with phosphate and degreasing pretreatment. Standard gear: electronic ballast 230V Rules: fittings manufactured according to the IEC 598 – CEI 34-21 rules. | Fixed | 1 | $150 | Translation | Jan 10, 2012 | - | ||
| ... Ex. Leaning recessed fixture for false ceilings panels with visible structure mm.15/24. Body: stainless steel body, painted with white epoxypolyester powders anti yellowing, with phosphate and degreasing pretreatment. Standard gear: electronic ballast 230V | Fixed | 1 | $150 | Translation | Jan 10, 2012 | - | ||
| ... problem For example : In the Tools pannel , player will find cables, a rocket while on Mainboard of the game will lay a 230V junction and a light bulb . The requirement of the problem will be to arrange cables and rocket in order to turn on the light ... | Fixed | 7 | $600 | HTML, HTML5, Java, Javascript | Jan 17, 2012 | - | ||
| ... mm.15/24. Body: stainless steel body, painted with white epoxypolyester powders anti yellowing, with phosphate and degreasing pretreatment. Standard gear: electronic ballast 230V Rules: fittings manufactured according to the IEC 598 CEI 34-21 rules. | Fixed | 1 | $130 | Translation | Jan 23, 2012 | - | ||
| ... steel body, painted with white epoxypolyester powders anti yellowing, with phosphate and degreasing pretreatment. Standard gear: electronic ballast 230V Rules: fittings manufactured according to the IEC 598 &acirc;ۉ ... | Fixed | 1 | $140 | Translation | Jan 23, 2012 | - | ||
| Hi, I don't understand how this site works. I need an English to German translation. 8400 words with a lot of piece of text repeted. The text is Technical for light industry. Ex. Leaning recessed fixture for ... | Fixed | 9 | $307 | Translation | Feb 3, 2012 | - | ||
| ... key IR Remote. The IR receiver should fit in 1 or 2 sq. inch size. It will need RC5 coding and 8bit microcontroller may be used. It should work on 230V AC (+/- 10%) and has Traic or relay output. The BOM cost should be worked out for 1 lakh units. | Fixed | 17 | $387 | Electronics, Microcontroller | Feb 14, 2012 | - | ||
| URGENTLY need to design and build a simple circuit to analyse charging and discharging characteristics of supercapacitors. Power from 230V mains, step down (using isolation transformer) and rectify to a safe working DC voltage which will charge 3 ... | Fixed | 9 | $140 | Electrical Engineering, Electronics | Feb 23, 2012 | - | ||
| ... • Spotlights • Bathroom 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 meet following ... | Fixed | 10 | $310 | Articles, Copywriting, Internet Marketing | May 11, 2012 | - | ||
| ... i will need Schematic and C++ code designed for PIC (not the layout). Power supply can be used as PoE (power over ethernet) or just simple 230V adaptor... This project must be 100% Functional! No random BIDS, i ... | Fixed | 23 | $783 | C++ Programming, Electronics, Microcontroller, PHP | Jan 23, 2011 | - | ||
| ... water heater project that has the following features CE / VDE approval China made Low cost (guide is max 0.50 USD ) 13A 230V min Latching (that is one depression switches it on and it stays on until the next depression which switches it off) Low ... | Fixed | 3 | $177 | Product Sourcing | May 19, 2011 | - | ||
| ... bids to go away and think about it ! As an alternative, if a very reliable low cost (0.5 USD or less) latching 13A 230V CE approved microswitch can be found, this would also be accepted as a solution to our problem. I can provide some more details if ... | Fixed | 3 | $108 | Mechanical Engineering | May 19, 2011 | - | ||
| ... end devices to control the monitor the power Node The meter part shall be used to sense and control power of 240 volts AC 50Hz or 60Hz to report of Real Power, Apparent Power, Vrms, Irms for real time display with an integrated power supply from the ... | Fixed | 12 | $887 | C Programming, Embedded Software, Microcontroller | Nov 9, 2011 | - | ||
| ... degrees C) with a plastic housing on top (much like a small rubber stamp housing) with an electrical cord. It should run on 220-230V. I also need as much help as possible with the rest of the process (CE marking, testing, patents etc.) so if you ... | Fixed | 14 | $997 | Manufacturing Design, Product Design | Mar 13, 2012 | - | ||
| Fixed | Apr 20, 2011 | - | ||||||
| ... can provide you with report writing template, another report submitted be a ... time to write such a long report. You have to submit the ... this is a Final Year Project Report for a Bachelor of Electrical ... where when I receive the report, it is not as required ... | Fixed | 14 | $161 | Electrical Engineering, Electronics, Engineering, Microcontroller, Technical Writing | Aug 7, 2011 | - | ||
| Given a base frequency of 50Hz, which will include 'normal' harmonics (e.g. 100, 200Hz), we need to detect an embedded 58 Hz frequency. The 58 Hz may be as much as 70dB below the base frequency. We require a C function (standard C) to run on an ARM ... | Fixed | 10 | $610 | C Programming | Nov 28, 2008 | - | ||
| ... who will able to design GU10 LED power supply. Specification of our design: power ... 230VAC/50Hz-60Hz topology: non-isolated pulse power supply output current: 500mA or 700mA ... (option) output voltage: about 11VDC (High-Power LED x 3 in serial connection ... | Fixed | 10 | $850 | Electronics, PCB Layout | Feb 11, 2011 | - | ||
| ... input impedance: min. 100kohm ANALOG OUTPUT: current loop 4-20mA, DAC 10bit (built-in MPU) PWM OUTPUT: type PUSH-PULL, max. 100mA, freq. range 1-20kHz, duty range 0-100%, 10-bit resolution POWER SUPPLY: buck-boost DC/DC converter, input voltage range: ... | Fixed | 10 | $625 | Electronics, Microcontroller, PCB Layout | Mar 15, 2011 | - | ||
| We currently sell electric infra red heaters that are suitable for warehouses, workshops etc. These are rated up to 230V 6kW 26A, although it is quite rare to be more than 3kW 13A. Mostly these are wired direct to the electric supply via a big switch with ... | Fixed | 17 | $600 | C Programming, Electronics | Jun 9, 2008 | - | ||
| Fixed | Oct 13, 2009 | - | ||||||
| ... supply: nominal 12VAC/50Hz-10kHz power sources: - toroidal transformer - pulse electronic transformer ... output voltage: about 11VDC (High-Power LED x 3 in serial ... We need: - corrected documentation of our power supply (under Altium Designer) - EMC ... | Fixed | 5 | $910 | Electrical Engineering, Electronics, PCB Layout | Feb 11, 2011 | - | ||
| ... by using additional circuits using sine or triangle. 7. Maximum Amplitude of 4.15V. (also can be increased by additional circuits) 8. Amplitude Display on LCD. (0-5V or 0-15V according to specification). 9. Unit working with +5V/ 100mA. | Fixed | 1 | $1000 | Buyer Sourcing | Nov 2, 2011 | - |
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