I thought about it for a long time, looked at the MAX website for a long time, and waited for the chip I applied for for a long time, but I still haven't received it until today. So I improved the pla
[i=s]This post was last edited by Jacktang on 2022-3-6 16:29[/i]GD32F103 is an early product of GD. GD32E103 and GD32F303 are upgrades and optimizations of GD32F103, so the four are compatible. Althou
A journey of a thousand miles begins with a single step. When learning PCB design, beginners must not be impetuous, and laying a solid foundation is the hard truth. If you want to be an excellent PCB
I am working on a vehicle-mounted GPS monitoring system. ARM7 can receive GPS data. How can I solve the problem of sending SMS from ARM7 via GSM MODEM? Can an expert give me some advice? It would be b
[size=4] Radio frequency (RF) PCB design has many uncertainties in the currently published theories and is often described as a "black art". Generally speaking, for circuits below the microwave freque