The module was purchased from Tuya’s official training camp for 50 volumes. First, create a universal remote control product (among others, the upgraded version is the one with only wifi). The firmware configuration is the default, and then you can add the module to the shopping cart. (17 a)
Welding video https://www.bilibili.com/video/BV1Q54y177b6
Experiments have proven that infrared LEDs can be connected in this way, reducing two types of resistors. The entire version reduces two resistors.
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