LPC2132 is used as the main controller to control the AS-UIII robot of Shanghai Future Partner (formerly Guangmaoda) Robot Co., Ltd. After building the project shown in the attachment in the uv4 envir...
:congratulate: I want to make a PCB, and I want to make a pad on both the top and bottom layers, but I don't want a through hole. I don't know how to make it? ? Does anyone know? Please give me some a...
I use the output of lm339 as the vcc of 555, and found that when not connected to 555, the output of lm339 is high level, which is the power supply voltage. When connected to 555, the output of lm339 ...
Many countries around the world are committed to replacing inefficient incandescent lamps with more energy-efficient lighting solutions. As light-emitting diodes (LEDs) continue to improve in almost e...
I would like to ask you, my STLINK,1. can program the 3.3V target board, but cannot program the 5V target board.2. Once the STLINK is connected to the USB, the chip becomes very hot;3. When only the U...