[Qinheng Trial] Three CH549 uses pwm to adjust the brightness of the lamp

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[Qinheng Trial] Three CH549 uses pwm to adjust the brightness of the lamp [Copy link]

 

The brightness of the LED is adjusted by PWM and controlled by touch buttons.

When the button is touched, the duty cycle gradually increases and remains constant when it is released. Touch buttons k1 and k2 respectively control pwm channels 0 and 1 (i.e. D4 and D5). Hardware schematics and related materials, the first post has a download link.

The procedure is as follows:

pwm_led.C (2.82 KB, downloads: 15)

2019-7-10 19:26 上传

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The video is as follows:

This content is originally created by a netizen named Xiaobai from EEWORLD forum . If you want to reprint or use it for commercial purposes, you must obtain the author's consent and indicate the source.

zxopenljx

Thanks for sharing