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2 channel 5V relay module
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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.

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8-channel 5V relay module with optocoupler
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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.

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4-channel 12V relay module with optocoupler isolation
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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.

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4-channel 5V optocoupler relay module
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4-channel 5V optocoupler relay module

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

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

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

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1-channel 5V relay module
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1-channel 5V relay module

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

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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

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2 Channel 5V Optocoupler Relay module
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2 Channel 5V Optocoupler Relay module

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

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Sonoff IoT WiFi Development Board
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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.
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Sonoff Environmental Monitoring System
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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.
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Ai-Thinker LoRa RA-02 SX1278 Wireless Transmission Module
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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

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