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For big projects with big power needs, an AT or ATX power supply is a handy place to grab 5V or 12VDC. The only problem is that these supplies hav...

If you're messing around with floppy drives, or disk drives, or other devices that are usually powered with a PC motherboard you'll often see these...

Fire up your engines because these are the hot-rods of toggle switches! Equipped with an aerodynamic blue protective casing, and a diffused blue LE...

Fire up your engines because these are the hot-rods of toggle switches! Equipped with an aerodynamic green protective casing, and a green LED at t...

Fire up your engines because these are the hot-rods of toggle switches! Equipped with an aerodynamic red protective casing, and a red LED at the t...

Fire up your engines because these are the hot-rods of toggle switches! Equipped with an aerodynamic clear protective casing, and a diffused white...

Fire up your engines because these are the hot-rods of toggle switches! Equipped with an aerodynamic yellow protective casing, and a yellow LED at...

Give yourself some more room with an EL wire cable extender. This cable has a 2-pin JST SM plug on one end and receptacle on the other. Use it to e...

Add a power switch to any project simply by plugging this between the power supply. This is the most useful thing you never knew you needed! You'll...

Add a power switch to any project simply by plugging this between the power supply. This is the most useful thing you never knew you needed! You'l...

If you want to connect multiple EL wires/strips/panels up to one inverter, these splitters are quite useful. There is one male connector (goes to t...

This breakout board will solve all your current-monitoring problems. Instead of struggling with a multimeter, you can just use the handy INA169 chi...

This breakout board will solve all your power-monitoring problems. Instead of struggling with two multimeters, you can just use the handy INA219 c...

The squarish board with two chips on it is the transmitter (power with 9V). The longer board is the output and you can connect that to the part o...

The squarish board with two chips on it is the transmitter (power with 9V). The longer board is the output and you can connect that to the part o...

The squarish board with two chips on it is the transmitter (power with 9V). The longer board is the output and you can connect that to the part o...

The squarish board with two chips on it is the transmitter (power with 9V). The longer board is the output and you can connect that to the part o...

This silicone mat is made of thick rubber and can take just about anything you throw at it. It's stable, strong, non-slip, non-conductive and heat...

IR sensor tuned to 38KHz, perfect for receiving commands from a TV remote control. Runs at 3V to 5V so it's great for any microcontroller. To use,...

Infrared (IR) break-beam sensors are a simple way to detect motion. They work by having an emitter side that sends out a beam of human-invisible I...

Infrared (IR) break-beam sensors are a simple way to detect motion. They work by having an emitter side that sends out a beam of human-invisible IR...

Infrared (IR) break-beam sensors are a simple way to detect motion. They work by having an emitter side that sends out a beam of human-invisible I...

Infrared (IR) break-beam sensors are a simple way to detect motion. They work by having an emitter side that sends out a beam of human-invisible I...

This SHARP distance sensor bounces IR off objects to determine how far away they are. It returns an analog voltage that can be used to determine ho...