Digital tube is a commonly used display device. When using it, it is necessary to match the LED with a current limiting resistor, and add a driving circuit when using a multi-digit digital tube. For e...
Bought this brand new, unpacked it just a week ago, powered it up just a few times, upgraded it to 200M, turned on all options, installed a better one, and now I'm selling this one as it's idle. I'm p...
I am using ATMEGA8a. There is no problem with single key press. But I have been working on the continuous code for several days but still can't figure out how to identify the continuous code. Could yo...
In a 24V environment, NE555 is used. The maximum voltage of NE555 is 15V, and the working current is 10~15mA. Add the current used for NE555 output, which is about 100mA.
I used a 78L12 to convert 24V...
The wait for the express delivery was a bit long this time. I opened the box and posted this on the day I received it. I hope I can gain something from this competition....
From: https://blog.adafruit.com/2019/03/17/circuitpython-in-space-pythonaut-circuitpython-adafruit-maholli404-zacinaction-smallsat-kicksat/ 408117 We released about 50+ CircuitPython-powered microsate...