MartinFowler

【Training Camp】Smart RGB Heart-Shaped Lamp

 
Overview
Tuya Smart BT3L_A Bluetooth module is used to realize intelligent RGB heart-shaped lamp control. The power supply voltage is provided by USB to the RGB lamp and LDO with 5V voltage, and the LDO is stepped down to 3.3V voltage to supply power to the module.
Power supply design:

image.png

Module circuit:

image.png


After configuring the network with the device through the APP Tuya Cloud Test, you can control the lighting adjustment through your mobile phone. Completely implemented with zero code, even those who don’t know how to code can play with the Internet of Things. Due to a little carelessness in the design on the schematic diagram, the IO ports for adjusting blue light and green light were reversed, resulting in the actual color adjustment being opposite to the color of the APP panel, but the function can still be realized.

BT3L_A Bluetooth module:

image.png

Welding finished product pictures:

image.pngimage.png

Demo video:
参考设计图片
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Update:2025-06-24 05:42:23

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