Many people know that crystal oscillators are a kind of frequency element of electronic components . They are made of precision cutting and grinding with very low power loss, and then plated with elec
I have a ds1302 clock module and some digital tubes, so I tried to make a clock. Of course, it is handmade, so it is not as good-looking as the ones bought on Taobao. Of course, the cost of making it
RVB2601 comes with a monochrome OLED screen, which is sufficient for small application development. However, based on the hardware conditions of 2601 itself, the pre-installed monochrome screen cannot
[url=home.php?mod=space&uid=415744]@yang_alex[/url] [Evaluation of Motor Kit P-NUCLEO-IHM] -1. System composition and hardware analysis [url]https://en.eeworld.com/bbs/thread-648728-1-1.html[/url] [Ev
This oxygen detector is produced by RKI of Japan, model number 0X-01. Judging from the date in the manual, it should be a product before 2004. It can be found on Taobao now, and the price is around 3K