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power supplycircuitview story

http://forum.allaboutcircuits.com – Hello, every one i would like to know what will happen if you mistakenly put a 12vAC to a 12vDC circuit. (Embedded)

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Better snubber?view story

http://forum.allaboutcircuits.com – I am using a magnetic gate latch to hold a swing gate closed. It is rated at 24Vdc . It has a resistance of ~200 Ohms and a huge inductance. I am using it on 13Vdc, and it is taking about 3 sec before the gate can be pulled away from the latch after the current is interrupted. (Embedded)

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rewinding a motorview story

http://forum.allaboutcircuits.com – I got a tacon 160 electric plane motor. its got 245kv and I'd like to rewind it if that would possibly to get it to have a lower kv and more torque. I want to put a lot of resistance on it from a standstill and not...burn it out? (Embedded)

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please help with my crossroad traffic light project...view story

http://forum.allaboutcircuits.com – hey guys,i was working on my traffic light project and i created circuit using 555 timer(mono-stable mode) and ic 4017 but when i run the simulation in circuit wizard only first led's light up .i don't know why is this happening please help... Attached Images raffic.png (92.1 KB) (Embedded)

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Tuned base oscillatorview story

http://forum.allaboutcircuits.com – Hello I am new in electronics.Please tell me how a tuned base oscillator work with appropriate circuit diagram. Thanks in advance (Embedded)

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disordered counterview story

http://forum.allaboutcircuits.com – Hi, In the enclosed circuit, I intend to build a circuit that counts up to different numbers in different rounds. First, it should count 0 to 7, second 0 to 5, third 0 to 3, then this round should start over again. I don't know why I could not make the first round correctly!!! (Embedded)

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Subwoofer amp blows fusesview story

http://forum.allaboutcircuits.com – I've had a Polk speaker system with subwoofer in my home for over ten years. Recently the subwoofer blew an internal fuse. A check with an old analog ohmmeter seemed to indicate the TIP31 (Q1) was shorted. I happily replaced it AND the TIP32 (Q5). It still blew fuses. I then checked the bridge rectifier and it seems OK. I removed the two filter caps, C2 and C6, and checked them. (Embedded)

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need help with Jfetsview story

http://forum.allaboutcircuits.com – Hi, can someone please help. I'm studying for my exam and i have no idea how to solve this Jfet circuit Attached Images DSC02284.jpg (268.3 KB) (Embedded)

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Mechanical Bull Motor Issuesview story

http://forum.allaboutcircuits.com – I have a Mechanical Bull that we run at various biker events around PA and We donate half the money we make on this bull to various charities around the area. I had an issue with a motor that I was using and I am having one hell of a time finding a replacement! The current motor ran for about 5 years but has since died. (Embedded)

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"Engine Display" - "Display a Propulsioneview story

http://forum.allaboutcircuits.com – Hi guys, this is my project for the maturity of this year, is called "Display Engine" ("Display a Propulsione" is the real italian name) in practice consists of a board with a row of LEDs that turn at about 33Hz by brush motor, the PIC16F876A controls the switching of the LEDs exploiting the POV effect, so we have the impression of seeing a permanent and stable image, as i (Embedded)