1 channel relay module 5V 1 channel relay driver module, single-chip control board
Amazon.com: R REIFENG 6pcs/lot 1 Channel 12V Relay Module Board Shield with Optocoupler Isolation Support High/Low Level Trigger : Industrial & Scientific
![Amazon.com: [2-Pack] DC 12V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific](https://m.media-amazon.com/images/I/51UyxZB57rL._AC_.jpg "Amazon.com: [2-Pack] DC 12V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific")
Amazon.com: [2-Pack] DC 12V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific
Amazon.com: Weewooday 15 Pieces 5V Relay Module 1- Channel Relay Control Boards with Optocoupler Isolation High and Low Level Trigger Expansion Board : Industrial & Scientific
KEMET EE2-4.5NU Signal Relay, Miniature, 4.5 VDC, DPDT, 2 A, SMD, Non Latching, EE2 Series: Amazon.com: Industrial & Scientific
Amazon.com: Valefod DC 5V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger, Pack of 10 : Industrial & Scientific
NOYITO 4 Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load DC 30V AC 250V 10A for PLC Automation Equipment Control (4-Channel 12V): Amazon.com: Industrial & Scientific
Amazon.com: 2 pcs 5V 2 Channel DC 5V Relay Module with Optocoupler High/Low Level Trigger Expansion Board : Industrial & Scientific
5V 8 Channel Relay Module High Low Level Trigger
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
uxcell DC 12V Relay Module 1 Channel Low Lever Trigger for UNO R3 DSP ARM PIC AVR STM32 - - Amazon.com
Amazon.com: Teyleten Robot 1 Channel 5V Relay Module Board Shield Relay Board Ky-019 for PIC AVR DSP ARM Arduino 10pcs : Electronics
HiLetgo 5pcs SIP-1A05 Reed Switch Relay 5V SIP-1A05 Reed Relay Switch 4 Pins DC Resistance 450~550ohm: Amazon.com: Industrial & Scientific
DAOKI 5PCS 5V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger: Amazon.com: Industrial & Scientific
![Arduino 4 Relays Shield [A000110]: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/710lO84lESL.jpg "Arduino 4 Relays Shield [A000110]: Amazon.com: Industrial & Scientific")
Arduino 4 Relays Shield [A000110]: Amazon.com: Industrial & Scientific
Chanzon 50pcs IRLML2502 SOT-23 Power Sic MOSFET IRLML2502TRPBF 4.2A Transistor SMD: Amazon.com: Industrial & Scientific
2PCS DC 3V-15V 5V 12V Voice Control Delay Switch Miniature Microphone Sound Activated Time Delay Turn Off Module Voice Alarm Sensor Module for LED Relay Electronic Device: Amazon.com: Tools & Home Improvement
ALMOCN 6Pcs DC 5V 1 Channel Relay Module With Optocoupler Isolation Support High or Low Level Trigger - - Amazon.com
20 Pcs DIY Micro-USB 5 Pin Female Connector Glass Surface & 1 Pcs 12V ESP8266 Four Ways WiFi Relay Remote Control Switch - AliExpress
Amazon.com: 4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler : Industrial & Scientific
