MF RC522 is applied to the highly integrated read and write 13.56MHz contactless communication card chip,
This is a 12V 16-Channel Relay interface board, Be able to control various appliances, and other equipments with large current. It can be controlled directly by Micro-controller (Raspberry Pi, Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) .
You might also like 2/4/8-channels relays.
This is a 5V 8-Channel Relay interface board, Be able to control various appliances and other equipment with large current. It can be controlled directly by Micro-controller (Raspberry Pi, Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).
The Relay module allows a wide range of microcontrollers such as Arduino, AVR, PIC, ARM with digital outputs to control larger loads and devices like AC or DC Motors, electromagnets, solenoids, and incandescent light bulbs.