Keyestudio RPI 4-Channel 5V Relay Shield For Raspberry Pi 4B / CE Certification Networking Play Store Radio Tuner FM

Play Store Radio Tuner FM Wireless Charging No Type Brand New Shock-proof Yes Format Supported Video format 3GP

Eight core version parameters:

Support Heart Rate Blood pressure Blood oxygen Detection

94 in (20 cm x 8 cm x 10 cm) Weight 15

10 times faster than USB 2

Keyestudio RPI 4-Channel 5V Relay Shield For Raspberry Pi 4B / CE Certification Networking Play Store Radio Tuner FMThis shield uses SONGLE relay, providing 4 channel input and output. The relays are isolated in the PCB. All the channels can control up to 24V DC or 250V AC on 10 A. It allows you to control high power components like lights and motors via Raspberry Pi 3. Just plug it directly into your pi with 5 V. You will find a LED indicates the status of the relays. We will provide installation package, source code and quickstart guide PDF. We will teach you