Touch sensor is built based on the latest technical solution used in the new series of STM ARM microcontrollers. Keys designed capacitive sensor technologies are extremely sensitive to touch. For my project I used LED dimmer ARM Cortex-M0 S

平面旋转LED灯51单片机程序，可现实汉字图案。-Plane rotary leds 51 SCM procedures, can be real Chinese characters design.