Hello, everyone~ The last issue of the "DIY Creative Show Based on USB PD Power Protocol Chip CH224" jointly launched by EEWorld and Qinheng ended successfully with everyone's active participation, an
I'm using a friendly board. Does anyone know if ARM9mini2440 can drive a display? How can the S3C2440 chip be implemented? The display is a normal 19-inch LCD? Please help me. [[i] This post was last
I need help from all the experts. I want a practical circuit for controlling a 220V AC relay (DC resistance 660 ohms) with a 1.5V DC signal through photoelectric coupling. Thank you. (I used 4N35 and
When writing the 430 overall program, how do I implement the calls between different files, how do I write c and h files, the conditions for the calls, etc. I would like some advice from an expert, th
[p=26, null, left][color=#333333][font=Arial]1.SPI driver TLE7241E has the problem of incorrect return value. Mainly due to the wrong timing, the data has not been established when TLE7241E inputs sam
This is a bit different and may not be suitable to be asked in an electronics forum... Because the whole requirement does not allow for power supply equipment (including batteries, power supplies, etc