[SaltyPuglord] needed a solid state relay for a project. We’d have just bought one, but he decided to design his own in LTSpice.Along the way he made the video below, which is pretty informative ...

Below you can see the “real” schematic of my M5Stack Relay Unit! Also, here is the parts list: R1: 102 (1KΩ) R2: 01C (10KΩ) D1: T4 (1N4148WT) Q1: Y1 (SS8050) K1: 5V SPDT Relay (HK4100F-DC5V-SHG) ↗ ...

With a few mouse clicks you can easily purchase Solid State Relays (SSRs) online. Or you can make one at home with a handful of different electronic ... Below you can see the basic block diagram of a ...

The final hardware makes use of a 78M05 500 mA linear regulator, a PIC16F1824 microcontroller, and a pair of AQY211EH solid state relays. ... One thing we didn’t see was a schematic.