The Arduino Relay Shield allows your Arduino driving high power loads. The Arduino Relay Shield allows your Arduino driving high power loads. The Shield features three relays, each relay provides 2 ...

Arduino Relay Driver Shield Circuit Diagram: In this 3-Channel Relay Driver Circuit, we have used an optocoupler to trigger the NPN transistor which further drives the relay. And optocoupler will be ...

An Arduino shield with analog inputs and USB HID, IR and relay outputs with generic 'sensing' and 'acting' functions configurable by software - AbilitySpectrum/Sensact. ... The Sensact Hub brings ...

The Nokia 3100 is a classic in the circles we frequent. The LCD in this phone is a very cheap and very common display, and it was one of the most popular phones since the phone from Bell, making it… ...

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...

Arduino's array of inputs and outputs proves crucial in projects from building robots to 3D ... to report the time, a relay shield for controlling the on/off state of the mosquito coil, ...

[Colin] wanted a way to reliably control an Arduino via ham radio. One of the easiest methods of automated radio control makes use of Dual-Tone Multi-Frequency signalling. To those who aren’t… ...