An Arduino Nano controls two relays which in turn can turn the car on, start it, and turn it off. Instead of adding a button for “push to start” he opted for a 13.56MHz RFID module.

An Arduino Pro mini handles the selection between outputs by driving a selection of relays with appropriate timing. An interesting detail here is what [Lajt] calls a ‘sacrificial relay’ in the ...

Aside from the Arduino UNO microcontroller, LDR, and the bulb itself, the hardware for this setup is pretty minimal: a relay for the bulb, a resistor for the LDR, and some wires to connect everything ...

Today, we are going to explore the TMC2208, a popular driver module used for controlling 2-phase bipolar stepper motors.

High voltage relays are electromechanical devices used to switch high voltage (> 1kV) signals. They operate using the same basic principles as electromechanical relays, but include features designed ...

This expanded voltage range can make it easier to use only one power source for your entire project, especially if you're working with 24V components like relays, motors, and solenoids.

Thermal overload relays are protective devices. They are designed to cut power if the motor draws too much current for an extended period of time. To accomplish this, thermal overload relays contain a ...

The Triathlon Team Mixed Relay format showcases racing at its most thrilling, where the individual sport combines with pure team spirit to produce fireworks on the blue carpet! All four athletes on a ...

The fate of Quincy Wilson was learned late on Sunday night. The 16-year-old has accepted selection into the U.S. relay pool. On Sunday, Quincy Wilson received the phone call he had been waiting for.

The final date on the Penn Relays Summer Showcase Series has gained some notoriety in recent days for its timing and opportunity. The final date on the Penn Relays Summer Showcase Series has ...

Watch as Sharlene Mawdsley runs a brilliant fourth leg to secure gold for Ireland's mixed 4x400m relay team at the European Athletics Championships in Rome. Watch live coverage of the European ...