I am using TEA1062 chip to make a call circuit. I have drawn a board. After connecting the phone line, I can pick up the phone and hear the other party's voice, but it is very small. When I speak, the...
For CLC and CRC filtering, it is best to use high-frequency inductors at both ends of the resistor and inductor, and then connect them to electrolytic capacitors. If both ends are electrolytic, it wil...
[i=s]This post was last edited by AnDawn on 2022-1-21 22:12[/i]The protagonists of today's test are ch5852m and BG22-EK4108AFirst test ch582m
Features32-bit RISC processor WCH RISC-V4A
Support RV32IMA...
/*This is a practical application to control the forward and reverse rotation of a stepper motor*/ /*A three-phase stepper motor driver is selected, and the p14 line is used for pulse control of the s...
1. Interrupt-related concepts Interrupt process ---------------------------------- You are playing chess, and suddenly the phone rings. You go back to the room to answer the phone, and then come back ...
I studied the Bluetooth signal problem some time ago, and today I would like to make a summary. After various subsequent experiments, the explanation given by [ chunyang ] was confirmed. I will now re...