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Techtonics 1-channel 5V 10A relay control board module
Techtonics 1-channel 5V 10A relay module for Arduino, Raspberry Pi, and microcontroller control of AC/DC devices.
The Techtonics 1-Channel 5V 10A Relay Control Board Module is a compact and reliable solution for controlling high-voltage devices using low-voltage signals. It features a 5V DC control voltage and can switch loads up to 10A, making it ideal for home automation, robotics, and electronic projects.
This module is compatible with Arduino, Raspberry Pi, ESP32, ESP8266, and other microcontrollers, allowing you to safely control lights, fans, motors, and other AC/DC devices. With an indicator LED, opto-isolated input, and screw terminals for easy wiring, it provides safe and convenient operation for both DIY and professional applications.

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Text to Speech TTL Module (Serial to Speech)
-  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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