https://blog.adafruit.com/2020/02/15/ci...nneubauer/This is a relatively small development board that supports CircuitPython and can be embedded in other devices, using the ATSAMD21 controller....
In recent years, LED as a new energy-saving light source has won high investment enthusiasm and great attention in the world and China, and has penetrated from outdoor to indoor lighting application m...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:19[/i]1. Task Measure the superposition signal of two sinusoidal signals, where x1 is the main signal with an amplitude of V(bias is 0V), fre...
I posted this thread after reading the following thread. [url]https://bbs.eeworld.com.cn/forum.php?mod=viewthread&tid=311494&highlight=%C7%B3%CC%B8[/url] It explains the time slice polling method very...
[i=s]This post was last edited by wgsxsm on 2015-11-15 22:47[/i] Continued from the previous post: [url=https://bbs.eeworld.com.cn/thread-476175-1-1.html]https://bbs.eeworld.com.cn/thread-476175-1-1.h...
Today I used a fire detection module to connect to the internal AD of F149. I used 3.3V to power the flame sensor module. When the output pin was suspended, I measured that the output pin was changing...