This 4-channel relay interface board can control various appliances and other equipments with high current. It can be controlled directly by a micro:bit®

Features

• BBC micro:bit® interface connector
• indicator LEDs for relay output status
• 3.3 V regulator on board

Specifications

• control input current (P3, P4, P6, P7): max. 5 mA
• control input voltage: 3.3 - 5 VDC
• relay output: 24 VDC 3 A (non-inductive)
• dimensions: 57 x 80 mm
• operating voltage: 5 VDC
• contacts: NO / NC

Manual

Firmware