Relay & LED Controllers

Arduino

4 Relays Shield A000110

Cytron

10A Radio Controlled Relay Switch RCS10A

Devantech

BT004BLE dS1242 dS1242 - 16A 2 Channel Ethernet Relay & IO Board ds2824 ds2824 - 16A 24 Channel Ethernet Relay ds2824_12snubbers ds2824_24snubbers dS3484 dS378 ESP32LR42 ESP32SR88 ETH002B ETH008B ETH8020 USB-RLY02 USB-RLY08-B USB-RLY08C USB-RLY16 USB-RLY16L

ELECFreaks

2-Channel 5V Relay Module 4 Channel 5V 10A Relay Module 8 Channel 5V Relay Module EF03003 EF03006_5V

Fingertech Robotics

FingerTech 40A Mini Power Switch MINI_PWR_SWITCH

Industrial Shields

IS.IOR10.220-8A

M5Stack

Makerfabs

National Control Devices

2-Channel SPDT Relay Controller

Phidgets

1017_1B 3051_1B

Pimoroni

Pololu

SeeedStudio

103030009 114992543 Relay Shield V3 for Arduino

Smart Prototyping

Sparkfun Electronics

40A SSR Relay COM-13015 KIT-13815

Tibbo

Tinysine Electronics

G539AC36657BD0 G53D70E1C7DE2A G590D94611FBD1 SmartPhone Controlled Switch - LazyBone V5 (Bluetooth)

Velleman

Arduino Compatible 5V Relay Module VMA406

Whadda

WML120 WPM331 WPM400 WPM406 WPM456

freetronics