Apr 27, 2024 · So my car's cigarette lighter is always powered even when the car is switched off. I am attempting to make it switched so that the power is only on when the key is turned to accessory. I …

Sep 8, 2008 · Then "OFF-ON" would mean latching? But by that same line of thinking, "ON- (ON)" would be normally on then momentarily on, which sounds like nonsense, as does "ON-ON".

Aug 8, 2024 · Hello guys, I'm facing a weird issue with my Kia Cerato. I purchased this car a few months back from the secondhand market. While resting in my car with the ignition off, I noticed there's a …

Mar 17, 2025 · Hi all. I am trying to desing and build an automated model railroad led signal control system using transistors. Each signal stand has 3 LEDs red, yellow , green. The three LEDs in each …

Mar 9, 2008 · Hi all I’m new to triacs I want to know how do I turn off a triac? It will turn on when it has logic high on its gate. But how do I turn it off I’m speaking about BT136 triacs. Thanks

Feb 20, 2024 · I am new and want to make a compact circuit without a microcontroller. The idea is when you push the button/switch, it will delay the timer for at least 6 hours. After that, it will activate the …

Jan 7, 2025 · Hello, I am creating a unique rechargable battery circuit project. I found this circuit online using a TL431 shunt: I am trying to get this circuit to work with a plug in adapter. The output voltage …

Jul 14, 2013 · I am working on a circuit to turn off a 12 v relay about 5 or 6 minutes after the power source is removed. I adapted the attached circuit, using a 4700mf capacitor with about 27k …

Feb 1, 2009 · I needed a 12vdc latching relay that will latch on with one pulse, then latch off with the same pulse. My power source is 12vdc and I'm using a touch circuit with a relay rated at 1 amp for its …

Mar 20, 2020 · Works great but when I hit the switch to turn it off, it still stays lit! Not at standard brightness but enough that at night it lights up the kitchen.