5V Dual Relay Module with Optocoupler for MCU Development

1 2 4 6 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

12V Single Channel Bistable Circuit Trigger Switch Relay Control Module

PC817 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module

ICL8038 Signal Generator Module Medium Low Frequency Source Waveform Generator Module for College St

DC 5V 12V 1 Channel Relay Module 30A with Optocoupler Isolation Supports High and Low Level Trigger Relay Module

XH M203 Full Automatic Water Level Controller Liquid Level Detection Sensor Module

Dc5/12V Light Control Switch Poresistor Relay Module Xh-M131 Detection Sensor

XH-M609 DC Voltage Protection Module for 12-36V Lithium Battery Undervoltage Disconnect

10PCS SN74HC165N 74HC165N 74HC165 8 Bit Parallel Load Piso Shift Registers DIP-16 IC TI

LX8015 5-80V To 1-62V DC-DC Adjustable Step-down Power Module Input 1.5A Power Converter Over XL7015 for Solar Energy Circuit

Switching Power Supply Board AC 110‑370V/DC 85‑264V To DC 12V Bare Board for Civil and Industrial Po

Current To Voltage Transmitter Signal Module 020MA To 05V CV Converter

12V Single Bond Button Bistable Relay Module Modified Car Start and Stop Self-Locking Switch One Key

PC817 3.3V-30V 2 Way 4 Channel Optocoupler Isolation Board Voltage Converter Adapter Module Driver Photoelectric Isolated Module

5V Relay 1 2 4 8 Channel For OMRON SSR High Low Level Solid State Relay Module 250V 2A For Arduino

ESP32-C3 SuperMini Dev Board with WiFi & Bluetooth

L298N Driver Board Module L298 Stepper Motor Smart Car Robot Breadboard Peltier High Power

5V/12V/24V 1 Channel Relay Module SMD Optocoupler Isolation Convenient To Use Electrical Equipment

For MKS OSC Stepper Motor Drive Controller Speeds Regulation Positive Negative Rotation Control

Boost Power Module 5A DC-DC Step Up Power Module Boost XL6019 Volt To 24V 9V Converter 12V 6V 5 X1G6