I want to design and develop an electronic cash register (POS machine) that is not connected to a computer. It is a cash register machine commonly used in dry cleaning shops, tea restaurants, and ente
As the nunchakus are coming: May everyone's happiness be amplified by transistors, the bumps and bruises of life be rectified by diodes, and the happiness of life be integrated by the chip of love, an
[i=s]This post was last edited by le062 on 2016-4-25 17:43[/i] [size=5][color=#ff0000]Preparation[/color][/size] After flashing the SD card with the image, connect the SD card and the USB hard disk to
Hello everyone, I use an ARM development board to control the GPRS module MC55, so that MC55 can establish a TCP connection with the Internet and transmit data. The development board runs ARM-Linux, a