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2 channel 5V relay module

2-channel 5V relay module for Arduino, Raspberry Pi, and microcontroller control of AC/DC devices.

8-channel 5V relay module with optocoupler

8-channel 5V relay module with optocoupler for Arduino, Raspberry Pi, and microcontroller control of AC/DC devices.

4-channel 12V relay module with optocoupler isolation

4-channel 12V relay module with optocoupler isolation for Arduino, Raspberry Pi, and microcontroller control of AC/DC devices.

4-channel 5V optocoupler relay module

4-channel 5V optocoupler relay module for Arduino, Raspberry Pi, and microcontroller control of AC/DC devices.

MB102 Breadboard Power Supply Module (6.5–12V DC to 3.3V / 5V DC)

MB102 Breadboard Power Supply Module converts 6.5–12V DC input to stable 3.3V and 5V DC outputs. Easily plugs into MB102 breadboards, ideal for Arduino, IoT, and electronics prototyping.

TN-R-5991 1 Channel 12V MFG Relay module

TN-R-5991 1-channel 12V relay module for controlling AC/DC devices with Arduino, Raspberry Pi, and microcontrollers.

1-channel 5V relay module

1-channel 5V relay module for controlling AC/DC devices with Arduino, Raspberry Pi, and microcontrollers.

Sonoff Basic R3 Smart WiFi Switch 

Technical Specifications

  • Model: Sonoff Basic R3

  • Input / Output: AC 100–240V, 50/60Hz

  • Max Load: 10A

  • WiFi: 2.4GHz IEEE 802.11 b/g/n

  • Control Method: App / Voice / Manual

  • Material: Flame-retardant ABS

  • App Support: eWeLink

2 Channel 5V Optocoupler Relay module

2-channel 5V optocoupler relay module for Arduino, Raspberry Pi, and microcontroller control of AC/DC devices.

Sonoff IoT WiFi Development Board

Sonoff IoT WiFi Development Board – A compact, WiFi-enabled board ideal for IoT and smart home projects. Supports wireless control, easy programming, and seamless integration with sensors and automation systems.

Sonoff Environmental Monitoring System

Sonoff Environmental Monitoring enables real-time temperature and humidity tracking with smart alerts and remote access via the eWeLink app—ideal for smart homes, offices, and industrial environments.

Ai-Thinker LoRa RA-02 SX1278 Wireless Transmission Module

Technical Highlights:

  • Chipset: Semtech SX1278

  • Frequency: 433 MHz

  • Modulation: LoRa

  • Interface: UART / SPI compatible

  • Operating Voltage: 3.3V

  • Compact and lightweight PCB design