I had some time these days to study OLED display. I found that different ASCII fonts are needed to display different font sizes. I found the fonts shared by netizen huo_hu on the forum (12x24 and 16x3
What is a POE switch?A PoE powered switch is a switch that can provide network power supply to remote powered terminals through a network cable. It includes two functions: network switch and PoE power
Happy holidays to everyone! I wish you all good health and safety. :Sad: I have been so busy until now that I can just take a break. In my last post, I asked everyone how they spent the May Day holida
[i=s]This post was last edited by Rambo on 2020-3-12 14:02[/i]The mainboard used is DFRobot's latest FireBeetleESP32 mainboard, which is much smaller than the traditional Arduino Uno mainboard. In add
DMA interrupt: During data transmission, when the DMAxSZ register value decreases to 0, DMA sets DMAIFG. The DMA interrupt and DAC12 module share the interrupt vector. When using the interrupt, the so