[i=s]This post was last edited by dcexpert on 2021-12-17 15:44[/i]This negative ion generator requires three CR123A batteries, which is inconvenient and costly (one CR123A battery costs 4-9 yuan).Ther
Is there anyone who has used RC oscillator circuit for voltage-frequency conversion temperature measurement? (Infineon's solution) How to select the capacitance of capacitor C and how to convert the f
1. IntroductionInduction cooker is the main cooking appliance of household appliances. It directly heats the bottom of the pot by electromagnetic induction heating without open flame. It is a safe, ef
Lately, it has become increasingly difficult to find the right MLCC capacitors. In the long run, manufacturers can solve this problem by adding production lines. However, this is still a long way to g
What should have been done was to use the web service to modify the screen display, but I didn't find a suitable server to build the MQTT service. So I had to settle for the next best thing and just m