Raspberry Pi relay tutorial

Raspberry Pi relay tutorial

INTRO I’m writing this tutorial to highlight the advantages of using the DQ10rly I2C-HAT, a relay board specifically designed as an add-on for Raspberry Pi rather than using a generic relay board. Advantages: easy install, just mount DQ10rly on top of Raspberry Pi using the mounting kit, no wires required stackable up to 16x, use the mounting extension kit to stackRead more about Raspberry Pi relay tutorial[…]

Application Wiring

Application Wiring

In the following diagrams there are two sections: Internal External Internal section reflects a simplified version of the on-board circuit. The External section reflects the wiring that should be used. Digital Inputs Bi-directional Opto-coupler Input Wiring a button You need an external power supply different from the one used by Raspberry PI, in this wayRead more about Application Wiring[…]