
3V Relay Power Switch Board AYWHP 6 Pieces 1 Channel Relay Power Switch Module Optocoupler Optoisolation High Level Trigger for IOT ESP8266 Microcontroller Development Board
3V Relay Power Switch Board AYWHP 6 Pieces 1 Channel Relay Power Switch Module Optocoupler Optoisolation High Level Trigger for IOT ESP8266 Microcontroller Development Board
3V Relay Power Switch Board AYWHP 6 Pieces 1 Channel Relay Power Switch Module Optocoupler Optoisolation High Level Trigger for IOT ESP8266 Microcontroller Development Board
Description: This 3V relay switching module is ideal for IoT and microcontroller development projects. It is equipped with high-quality optocoupler insulation, which can effectively protect the development board from external interference. The high level trigger method facilitates quick integration with mainstream development boards such as ESP32, Arduino, etc. It supports the efficient control of low power devices. The module offers 1 channel outputs, and each board is rigorously tested to ensure efficient and stable switching performance. Features: 1. With output signal indicator light. 2. The signal input can be connected to the microcontroller 10 port, high level signal drive. 3. Double power supply selection design, anti-jamming ability, optical insulation protection and high reliability. 4. On board 3V, 10A/250VAC; 10A/30V DC relay, can be continuously closed 100,000 times, with diode current protection, short response time. 5. External wiring with rotating crimp terminals that make the wiring more stable. 6. With fixed mounting holes for easy installation. Parameters: Control signal: TTL. Operating voltage: DC 3V/3.3V. Compatible load: 10A 250VAC, 10A 30VDC. Response time: less than 20 ms. Charging interface: NO: normally open interface. COM:Common Relay Interface NC: Normally closed interface. Power supply interface: VCC (+): connect to the positive pole. In: close high level control relay. GND(-): connection to the negative pole. Specification: Length of each socket: 7.5 mm. Relay size: 70 mm x 17 mm x 20 mm (L x W x H). Product includes: 6 x relay circuit breaker modules.
Product Features
- Optocoupler insulation: 3V 1-way relay power switch module supports optocoupler insulation control. The design with double power supply selection and integrated optocoupler module provides reliable photoelectric insulation, effectively prevents circuit interference and protects the main control board.
- Strong safety: the fast response time of the module insulation is less than 20 ms, the service life is up to 100,000 quick actuations and it has a diode freewheel protection.
- High level trigger: the circuit board is triggered by the high level signal input of the microcontroller IO. It has an output signal indicator light, the signal input port can be connected to the IO port of the microcontroller and is controlled by a high level signal.
- Strong loadEquipped with a high current relay, AC 250V 10A; DC 30V 10A, each relay normally has open and normally closed contacts. Selectable via jumper relay and TTL or ground.
- Wide application: this 3V relay board is suitable for ARM/PIC/AVR/MCU/Raspberry/CNC machine/PS4/3.3V/NodeMCU/ESP module, etc.
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3V Relay Power Switch Board AYWHP 6 Pieces 1 Channel Relay Power Switch Module Optocoupler Optoisolation High Level Trigger for IOT ESP8266 Microcontroller Development Board
3V Relay Power Switch Board AYWHP 6 Pieces 1 Channel Relay Power Switch Module Optocoupler Optoisolation High Level Trigger for IOT ESP8266 Microcontroller Development Board
Description: This 3V relay switching module is ideal for IoT and microcontroller development projects. It is equipped with high-quality optocoupler insulation, which can effectively protect the development board from external interference. The high level trigger method facilitates quick integration with mainstream development boards such as ESP32, Arduino, etc. It supports the efficient control of low power devices. The module offers 1 channel outputs, and each board is rigorously tested to ensure efficient and stable switching performance. Features: 1. With output signal indicator light. 2. The signal input can be connected to the microcontroller 10 port, high level signal drive. 3. Double power supply selection design, anti-jamming ability, optical insulation protection and high reliability. 4. On board 3V, 10A/250VAC; 10A/30V DC relay, can be continuously closed 100,000 times, with diode current protection, short response time. 5. External wiring with rotating crimp terminals that make the wiring more stable. 6. With fixed mounting holes for easy installation. Parameters: Control signal: TTL. Operating voltage: DC 3V/3.3V. Compatible load: 10A 250VAC, 10A 30VDC. Response time: less than 20 ms. Charging interface: NO: normally open interface. COM:Common Relay Interface NC: Normally closed interface. Power supply interface: VCC (+): connect to the positive pole. In: close high level control relay. GND(-): connection to the negative pole. Specification: Length of each socket: 7.5 mm. Relay size: 70 mm x 17 mm x 20 mm (L x W x H). Product includes: 6 x relay circuit breaker modules.
Product Features
- Optocoupler insulation: 3V 1-way relay power switch module supports optocoupler insulation control. The design with double power supply selection and integrated optocoupler module provides reliable photoelectric insulation, effectively prevents circuit interference and protects the main control board.
- Strong safety: the fast response time of the module insulation is less than 20 ms, the service life is up to 100,000 quick actuations and it has a diode freewheel protection.
- High level trigger: the circuit board is triggered by the high level signal input of the microcontroller IO. It has an output signal indicator light, the signal input port can be connected to the IO port of the microcontroller and is controlled by a high level signal.
- Strong loadEquipped with a high current relay, AC 250V 10A; DC 30V 10A, each relay normally has open and normally closed contacts. Selectable via jumper relay and TTL or ground.
- Wide application: this 3V relay board is suitable for ARM/PIC/AVR/MCU/Raspberry/CNC machine/PS4/3.3V/NodeMCU/ESP module, etc.
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Product Information
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Description
3V Relay Power Switch Board AYWHP 6 Pieces 1 Channel Relay Power Switch Module Optocoupler Optoisolation High Level Trigger for IOT ESP8266 Microcontroller Development Board
Description: This 3V relay switching module is ideal for IoT and microcontroller development projects. It is equipped with high-quality optocoupler insulation, which can effectively protect the development board from external interference. The high level trigger method facilitates quick integration with mainstream development boards such as ESP32, Arduino, etc. It supports the efficient control of low power devices. The module offers 1 channel outputs, and each board is rigorously tested to ensure efficient and stable switching performance. Features: 1. With output signal indicator light. 2. The signal input can be connected to the microcontroller 10 port, high level signal drive. 3. Double power supply selection design, anti-jamming ability, optical insulation protection and high reliability. 4. On board 3V, 10A/250VAC; 10A/30V DC relay, can be continuously closed 100,000 times, with diode current protection, short response time. 5. External wiring with rotating crimp terminals that make the wiring more stable. 6. With fixed mounting holes for easy installation. Parameters: Control signal: TTL. Operating voltage: DC 3V/3.3V. Compatible load: 10A 250VAC, 10A 30VDC. Response time: less than 20 ms. Charging interface: NO: normally open interface. COM:Common Relay Interface NC: Normally closed interface. Power supply interface: VCC (+): connect to the positive pole. In: close high level control relay. GND(-): connection to the negative pole. Specification: Length of each socket: 7.5 mm. Relay size: 70 mm x 17 mm x 20 mm (L x W x H). Product includes: 6 x relay circuit breaker modules.
Product Features
- Optocoupler insulation: 3V 1-way relay power switch module supports optocoupler insulation control. The design with double power supply selection and integrated optocoupler module provides reliable photoelectric insulation, effectively prevents circuit interference and protects the main control board.
- Strong safety: the fast response time of the module insulation is less than 20 ms, the service life is up to 100,000 quick actuations and it has a diode freewheel protection.
- High level trigger: the circuit board is triggered by the high level signal input of the microcontroller IO. It has an output signal indicator light, the signal input port can be connected to the IO port of the microcontroller and is controlled by a high level signal.
- Strong loadEquipped with a high current relay, AC 250V 10A; DC 30V 10A, each relay normally has open and normally closed contacts. Selectable via jumper relay and TTL or ground.
- Wide application: this 3V relay board is suitable for ARM/PIC/AVR/MCU/Raspberry/CNC machine/PS4/3.3V/NodeMCU/ESP module, etc.




















