Example 1: Use a buzzer to simulate basic sound levels1.1 Working principle of a buzzerThe principle of a buzzer is that current passes through an electromagnetic coil, which generates a magnetic fiel
Li-ion cell formation and electrical testing require precise voltage and current control, typically better than ±0.05% over a specified temperature range. This reference design proposes a solution for
[i=s]This post was last edited by jinglixixi on 2020-7-29 08:13[/i]1. Initial expansion of display functions
The ESK32-360 development board is equipped with a TFT display, which can display character
[i=s]This post was last edited by ttkx on 2019-1-10 16:52[/i] I tried the basic functions of NXP Rapid Iot, but found that the online IDE was very slow, but it was still usable. Now I summarize severa
[i=s] This post was last edited by bzhou830 on 2022-2-27 21:59 [/i] [ [GD32L233C-START Review] 1. Unboxing test to light up the color screen](https://en.eeworld.com/bbs/thread-1193742-1-1.html " [GD32