Amazon.com: 30A 4 Channel Relay Module Expansion Board with Optocoupler for Arduino Raspberry Pi DSP AVR PIC ARM (5VDC) : Electronics
Amazon.com: DollaTek 5Pcs NE555 12V DC Adjustable 0-10 Second Timer Delay Relay Switch Module Shield for Arduino Raspberry Pi : Electronics
Amazon.com: WINGONEER 5Pcs NE555 12V DC Adjustable 0-10 Second Timer Delay Relay Switch Module Shield for Arduino Raspberry Pi : Electronics
Amazon.com: SunFounder 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics
Amazon.com: Raspberry Pi Expansion Board 8-Channel Relays Loads up to 5A 250V AC or 5A 30V DC for Pi A+/B+/2B/3B/3B+/4B SPDT-NO,NC Contact Form 6mA per Channel Supports Jetson Nano : Electronics
Amazon.com: Raspberry Pi Relay
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Amazon.com: AITRIP 2Pcs 4 Channel DC 12V Relay Module with Optocoupler Isolation Relay Control Board Compatible with Arduino UNO R3 Raspberry Pi DSP AVR PIC ARM : Industrial & Scientific
ZYAMY 2 Channel 12V Red Board Relay Module with Optocoupler Isolation Supports High and Low Level Trigger for SCM Household Appliance Control: Amazon.com: Industrial & Scientific
Yiqigou 5V 12V 16-Channels Relay Module Driver Board Module with Optocoupler for Arduino Raspberry Pi 51 AVR ARM PIC 5V: Components: Amazon .com.au
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Amazon.com: HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger : Industrial & Scientific
ANMBEST 10PCS 5V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino: Amazon.com: Industrial & Scientific
Amazon.com: WMYCONGCONG 5 PCS 12V 2 Channel Relay Module Optocoupler Expansion Board (12V 2 Channel) : Electronics
Amazon.com: 30A 4 Channel Relay Module Expansion Board for Raspberry Pi DSP AVR PIC ARM (12VDC) : Electronics
Amazon.com: Huayao 2pcs 4 Channel DC 5V Relay Module with Optocoupler for UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics
NOYITO 1 Channel Relay Module with Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack of 3) (5V, Red): Amazon.com: Industrial & Scientific
SainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM: Usb Relay Board: Amazon.com: Industrial & Scientific
Electronics-Salon 4 DPDT Signal Relay Module Board, DC 12V Version, for Arduino Raspberry-Pi 8051 PIC.: Amazon.com: Industrial & Scientific
Amazon.com: AITRIP 2Pcs 4 Channel DC 12V Relay Module with Optocoupler Isolation Relay Control Board Compatible with Arduino UNO R3 Raspberry Pi DSP AVR PIC ARM : Industrial & Scientific
OLatus 12V Single Channel Relay Board Module For Arduino | Raspberry Pi | Avr | Pic | 8051 : Amazon.in: Industrial & Scientific
Amazon.com: Ardest 5v 1 Channel Relay Module for Arduino ARM PIC AVR MCU DSP Raspberry Pi Relay Expansion Board Shield with Indicator LED : Electronics
XCSOURCE 16 Channel 12V Relay Module Shield Expansion Board with Optocoupler for Arduino Raspberry Pi DSP AVR PIC ARM TE285: Amazon.co.uk: Electronics & Photo
Amazon.co.jp: Dovewill Raspberry Pi 12V 2 Channel Relay Module Leveltrigger, High Quality : Industrial & Scientific
