[b] The biggest problem with handheld devices is the power supply. Many people naturally think of using solar energy to recycle energy and charge anytime and anywhere. The first generation of solar ch...
I have a question for you. I use HyperTerminal to communicate with MC55 through serial line. The following are the commands I wrote. The return value is "ok". at^sics=0,conType,GPRS0 at^sics=0,passwd,...
I would like to ask, the resistor Re under the differential amplifier is to suppress the zero drift caused by common mode noise. It must be very large and the voltage divider must be very large. Is th...
I wonder if anyone has made a bootload that can use an SD card to flash an image under ce5.0? It would be best if you could provide a source code. My email address is tiandi.zhu@gmail.com...