The monostable delay circuit is composed of a single operational amplifier connected as a voltage comparator. The circuit is shown in the attached figure. It has the characteristics of simple circuit ...
[i=s]This post was last edited by dcexpert on 2021-2-7 14:16[/i]Currently, the STM and RPi versions do not include the neopixel module, so they cannot drive the ws2812 like the ESP32. However, in the ...
[size=4] In the near future, smart speakers and home assistants will be everywhere. According to Juniper Research, more than 70 million U.S. households will have at least one smart speaker by 2022. [/...
I bought a few cheap multimeters a few days ago . When the courier delivered them today, I couldn’t wait to open them.I bought 7 of them this time, one for each colleague. There are three models in to...
A Simple Comparison of LoRa Technology and NB-IoT1. What is LoRa technology?
LoRa is one of the LPWAN communication technologies. It is an ultra-long-distance wireless transmission solution based on s...
1. Brief descriptionThis article mainly explains the A40i Boa application, which is applicable to the Feiling A40i series FETA40i-C core board Linux3.10 operating system. Other platforms can also be u...