Single channel relay for ESP8266 and ESP32 modules.
ESP SoC's are cool, but they are a bit lacking on the drive / source current of each pin. Here's a relay circuit specifically designed for these SoC's! These allow easy control from a 3V3 signal.
Think of a Grove-compatible relay with no moving parts!
Single channel optically-isolated relay board
Up to 40V 16A Latching Push-ON, push OFF DC switch with micro-controller friendly inputs.
Single Channel Relay for Grove
This PCB mount mechanical relay allows isolated control of AC or DC voltage at up to 12A @ 250VAC (see datasheet for details).
The Crydom D2W203F Solid State Relay is a simple way to activate AC loads. Use a DC input from 3-32VDC to control an AC output up to 240AC, to a maximum of 3 Amps.
10 x Nylon 4-40 x 1/4" combination head screw
A 3mm bit that drills and taps holes at the same time.
Grove Heart Rate Sensor Ear Clip that is perfect for experimentation!
The original BASIC Stamp 2 Module is still a practical and versatile microcontroller for all kinds of embedded projects.
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