Mains Current Indicator with a LED
This is a mains 230V AC load current indicator and is a LIVE CIRCUIT, so take care. The Resistors have to be a fusible ceramic wire wound. People learning Electricity and Magnetism or Hobby...
Category: Mains-Circuits
Flashing Mains Neon Lamp
Here is a Neon Flasher circuit (untested) for a user request at Circuits FAQ. This can be built into a switchboard or a gadget for indicating Live Power. D1-C1 form a simple half-wave rectifier,...
Mains Voltage Monitor
i need a circuit design to detect generator voltage and display with LED for certain value of voltage. for example red LED”s for voltage under 180 V, green LED for 180-220V and Yellow LED...
Mains Voltage Stabilizer Step up Circuit
i kinda found myself in a place where the voltage is so low (80v-110vAC) and i need to boost it up to 220v so what can i do? i have a burnt stabilizer (that...
Lamp Dimmer DC with L296
I need a simple circuit to drive a 12v DC (4amp) light. But, it needs to dim to 25{22ca7e5750adbf65450bc4cf6e82790400f3c203d9ecc808a4bc035087435d3d} over a specified amount of time. Basically it needs to hold at 25{22ca7e5750adbf65450bc4cf6e82790400f3c203d9ecc808a4bc035087435d3d} (4v) for...
Flashing Neon lamp for Soldering iron
message: How can I make a flashing neon lamp – 240 volt AC I have been trying for 3 hours ( R-C circuits) but no success. I want to include it in my soldering...
Normally Closed AC SSR
This is a Normally Closed PCB Mount SSR. That means when DC Control input is low, the triac is ON, the output passes the load current to turn on small heater-motor-lamp or a bigger...
DC-DC SSR Solid State Relay
This is a DC Input DC Output SSR Solid State Relay. It was made for Printing or Photo Processing Equipment. It has an optical isolation and can be used for inductive loads. The R1...
