I'm studying how to use the GSM module to send and receive SMS messages. I found that when I send a command "AT+CMGS=021", the echo shows only "AT+=021...", with "CMGS" missing in the middle. What's t...
[size=5] Talk about my first experience of formally drawing a PCB: I have used Altium Designer to draw PCBs before, and the drawings were relatively simple, usually dual in-line plug-ins, with very fe...
As the name implies, it is a serial peripheral interface. SPI is a high-speed, full-duplex, synchronous communication bus. The standard SPI also uses only 4 pins and is often used for communication be...
If you have this product, please contact me. The first phase requires about 40 units. It should have a beautiful appearance, be easy to do secondary development, and provide system code (driver and bo...
Start development work with MSP430 LaunchPad (test) : https://training.eeworld.com.cn/course/3533This course is based on MSP-EXP430G2 LaunchPad EVM, targeting the entry-level Value Line of MSP430, and...