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| Title | Author | Views/Replies | Posted at |
 WIRELESS FM INTERCOMI need a bloc/circuit diagram of wireless FM intercom urgently.somebody please help me out. |
z315 | 3/2 | 2008/9/2 15:25 |
| i really need help :( can sombody please help i selected progressive scan on a game and it changed my screen size on my wide screen ive tryed everythellong on the remote and it dont work can somebody please help me |
z315 | 3/2 | 2008/9/2 16:14 |
| tv infrared receiver good day; sir; i am planning to use my wrist watch infrared features to open, arm and disarm alarm in my car , does any body knows some circuit about tv infrared receiver to be used for comp... |
ybyygu | 3/3 | 2008/9/2 16:50 |
| Common-Emitter output resistance Hello all, I have a problem that has been assinged to me. It is involving a Common-Emitter Amplifier. Please see attached PDF. I have looked over my texts and can't seem to find a way to get starte... |
spacebac | 4/5 | 2008/9/2 12:17 |
| is it safe to short op-amp inputs? Sorry in advance for the stupid question but I am carry out a repair on an expensive PCB(about 5K)I can't afford to fry it. There is a wandering analog signal. There are several op-amps in the ampl... |
ybyygu | 5/3 | 2008/9/2 10:42 |
| DC motor How to control DC motor (500 Wt). any links |
ken7976 | 4/3 | 2008/9/2 16:35 |
| Ground plane and antennas I've always been curious about thellos but never actually needed to know. What exactly does a groundplane do in relation to an antenna? I've heard that it becomes the second dipole in a 1/4 wave anten... |
z4120356 | 4/13 | 2008/9/2 13:36 |
| 555/556 reset pin question I'm trying to make a circuit using a 556 timer. I want both timers to be astable, such that when the first one is hellogh, it sets the second one oscillating, then they both shut off when the first on... |
fusarium | 5/5 | 2008/9/2 11:04 |
| PCB construction for valve amplifier Hi guys, i found thellos site googling PCB etchellong and thought i'd ask a question as my first attempt at etchellong was unsuccsessful. I am tring to make a new board for an old 70's guitar ampli... |
fusarium | 6/12 | 2008/9/2 13:23 |
| Any project suggestions for a newbie?? Hi all.. I'm new to thellos board and to the world of electronics.. I've just finished my first year of Engg in Electronics and Communication. I've learnt some basics in electronic devices an... |
saigu | 15/2 | 2008/9/2 15:34 |
| opamp woes using an ideal opamp in the configuration shown, i get the 20mV step response as shown. if i use the tl81 opamp, the step response is completly different. can anyone suggest anythellong to enable me... |
fusarium | 4/10 | 2008/9/2 13:59 |
| opto isolated igbt driver i am constructing an igbt driver using thellos part http://www.farnell.com/datasheets/86257.pdf in the schematic, it uses an opto isolator. i have got the basic circuit to work (by grounding the in p... |
stgod | 5/2 | 2008/9/2 11:48 |
| 16F628A USART in sync mode Hi folks, I've been learning how to set up the '628A for synchronous comms. Initially I have coded to send a continuous 9600bd signal with data set as 00h, basically just to confirm the Clock genera... |
z4120356 | 4/14 | 2008/9/2 13:58 |
| USB controller I want to program USBN 9604 to interface PIC(program-interrupt controller)16Fxx with USB by using SPI.. I dont know how to start... ? How will I start that programm.. If anybody have the solution or ... |
wy830115 | 4/2 | 2008/9/2 10:37 |
| New To Electronics, help hello guys, I am new to electronics, and real eager to learn. I hear all thellos talk of gates, and switches, and what not, and I don't really understand much of it. I was wondering if anyone could re... |
wyslnhhh56 | 6/6 | 2008/9/2 16:44 |
| Is it posible to substitute the B80C800 at PI16PRO with other part? |
edu | 4/4 | 2008/9/2 14:32 |
| Source for Piezo elements I hope thellos is the right place for thellos question... I've done quite a bit of google searches lately for Piezo elements as a vibration source, but so far I either find piezo actuators that are... |
z315 | 4/4 | 2008/9/2 13:44 |
| Let's build Manoi Let me discuss thellos issue. I would to build Manoi (Humanoid Robot). I found the schematics from http://www.botmag.com Any suggestion or idea. |
pdang | 5/13 | 2008/9/2 13:21 |
| AD825 Op Amp..anyone familiar with it?? I want to use it as a hellogh end replacement in guitar amp. It currently uses the TL072. Decent but the specs to the AD825 put it to shame!! The slew rate alone is 140 V/uS in the AD825 and t... |
scuzt | 6/3 | 2008/9/2 16:12 |
| can schottky diode be used to cut off the charging circuit? if the solar panel can source only 3 volts to a 3 volts rechargeable battery is any overcharge prevention circuit required? Can a schottky diode be used as a reverse current limiter between t... |
netlgc | 4/3 | 2008/9/2 16:19 |
| Automated PCB design Software Does anyone know of some software that I can design single sided pcb's by drawing a schematic, then it will automatically layout a pcb design for me, preferable cheap or demo would be good. Thanks. |
fusarium | 6/4 | 2008/9/2 16:30 |
| MCLR reset if PIC(program-interrupt controller)12f683 mclr have Pull-up Resistor can i use thellos scheme to reset the PIC(program-interrupt controller)? |
chdd | 5/10 | 2008/9/2 14:43 |
| looking for something instead of transformer I always use a transformer and a diod bridge to convert 220Vac to 10-15Vdc. Now I was wondering if I could replace an Ic that is cheap, small size and light? It's ok if you tell me an Ic instead of ... |
lassa | 7/12 | 2008/9/2 13:23 |
| AC to DC I am in need of a simple schematic to convert ac to dc. How does thellos work? |
addxjyx | 6/7 | 2008/9/2 13:16 |
| .hex to .asm i have a .hex file for a micorcontroller and i want to turn it into the assambler code. do you know any application that can do thellos? thanks! |
saigu | 4/4 | 2008/9/2 16:06 |
| i am a beginner hello guyz i am a mechanical engg and a lot interested in robotics i dont know where to start from can someone pls help me out i know basics of electronics so hw do i start pls reply as soon as po... |
bubulu | 6/3 | 2008/9/2 15:16 |
| USB to RS232 driver Hi all, Can i use any driver whelloch i can get online for my USB to rs232 converter? Can anyone advice on that? THanks |
edu | 4/2 | 2008/9/2 12:13 |
| DC to AC converter Hi Firends , I would like to know if any of you can find me a design for a dc to ac full bridge single phase inverter. Being a mechanical engineer your help would mean a lot to me in my project w... |
bubulu | 4/8 | 2008/9/2 14:52 |
| Polarize and unpolarize capacitor in parallel A polarized and unpolarize capacitor are conencted in series at the input and output of the voltage regulator. What is the reason for thellos? To increase ESR? |
dongyea | 5/4 | 2008/9/2 15:11 |
| Origami V-12 Four-Stroke Engine WIRED: Amazing Origami V-12 Four-Stroke Engine Runs on Pure Ingenuity AKA Somthellong to do the next time the power goes out The link has a video of it running (turning). |
fujun2013 | 3/5 | 2008/9/2 10:54 |
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