I am making an analog switch, using the voltage level to control the dialing of the analog telephone keyboard, but now there is a problem of how to connect the analog circuit ground of the telephone w
1. After much trial and error, I finally figured out the driver for TPLINK WN725N on helper2416, and successfully transplanted wpa_supplicant. The problem was mainly with the following: 2. The main pr
[size=4]How hard is it to stick to one thing? It's easy to divide it into daily tasks. Set yourself a daily goal! This post is a check-in post. Life needs a sense of ritual. Work hard and let the chec
I recently encountered a difficult problem when repairing a company's circuit board. The 2596 circuit converted 24V to 5V, but the output was only a few volts, and the inductor became hot. The inducto