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2 Channel 433MHz RF 12V Relay module with a remote control
2-channel 433MHz RF 12V relay module with remote control for Arduino, Raspberry Pi, and wireless AC/DC device control.
The 2-Channel 433MHz RF 12V Relay Module with Remote Control allows wireless control of two AC or DC devices using a 433MHz RF remote. Each relay operates at 12V control voltage and can safely switch loads such as lights, fans, motors, and home appliances.
This module is perfect for home automation, wireless control projects, DIY IoT systems, and robotics. It includes two relays with indicator LEDs, screw terminals for secure connections, and comes with a 2-button or 4-button RF remote for convenient on/off control. Compatible with Arduino, Raspberry Pi, and other microcontrollers, it enables easy integration into wireless automation setups.

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- Runs on 12-36V DC. (At the moment only the Pololu DRV8825 drivers can handle up to 36V so please consider the operation voltage when powering the board.)
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-  Single row 0.1″ header for easy connection to a host system
- Power requirements: +5 VDC
- 30 mA idle
- 46-220 mA active (depending on speech parameters and output load)
- Â Communication: Asynchronous 9600 bps serial (8N1)
- Dimensions: 1.25″x1.5″x0.37″
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Text support rate is better
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 Interface operation is simpler
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5V single power supply.
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Output directly connected to the speaker, can drive 4 ohms 3W / 8 ohm 2W speakers
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Busy status output, can be connected to the microcontroller IO or indicator light, no need to be left floating.
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 Voice effect optimization
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 Module miniaturization and easy integration
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Dimension: 33*27.5mm
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With mounting holes

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