My USB synchronization function is not working again, so painful. Now USB synchronization (serial port) and USB OTG are integrated together, which looks so complicated. It is so hard to analyze where ...
[size=4]1. Use a multimeter to test the diodes and MOSFETs in the main current loop first. Check if there is a short circuit or if they are installed upside down. Test the inductance and leakage induc...
Nowadays, eating is expensive and not clean and healthy. I simply brought my own food, which is clean and convenient. After using it for half a year, the heating light stopped working, probably becaus...
I am looking for some circuits that control charging current through a single chip microcomputer. The specific functions are as follows: 1. When the lead-acid battery voltage is between 12v and 10v, t...
I have a LPC1343 board from my teacher. The course design teacher asked me to make a temperature detection system based on ARM cortex-m3. The board doesn't even have a download cable. I don't know wha...
Due to project needs, we urgently need to find a small package, serial, 8GB Flash chip; 400-500Hz SOT-23 package, high temperature resistance of 125 degrees Celsius, and extremely low power consumptio...