First of all, I want to make it clear that this is not an advertisement. I originally wanted to buy RealView MDK, but when communicating with the agent, I accidentally learned that μVision4 was going
The one-day learning time is more suitable for beginners who want to learn embedded Linux but don't know where to start. It can systematically and comprehensively understand the embedded development p
I have a few questions about GPRS modems: 1. China Mobile's APN has two types: cmwap and cmnet. I set it through the AT+CGDCONT=1,"IP","XXXXX" command (XXXXX represents cmwap or cmnet), and then diale
Low voltage common-mode voltage amplifier can ideally amplify any voltage, but in practice it can recognize [b][color=#5E7384]This content is originally created by EEWORLD forum user [size=3] Ouyang N
[size=4]I use the IO port of the microcontroller to drive the relay through the 8050 transistor. After the microcontroller is powered on, the IO port outputs a high level, hoping that the relay will w