[i=s] This post was last edited by Cijian Dare Not Be Ahead on 2022-3-14 09:57[/i]Case: Implementing a dial pointer clock - based on TOPWAY intelligent display module (HMT070ETD-1D)Step 1: Use the hos
Using a 220V to 18V transformer, the voltage output of the transformer output (pins 12, 14, 17, 19) is 12V. After passing through the MB6S rectifier, the output voltage of pin 3 of SP1 is 27V, and the
[align=center][font=宋体][size=5][color=#0000ff][b]1. LED DC power indicator circuit[/b][/color][/size][/font][/align][font=宋体][size=4][color=#0000ff][b]1. DC LED indicator circuit[/b][/color][/size][/f