These are some great DIY projects that you can do for cheap.

控温精度±1℃的差距，可能就是整釜产品合格与报废的分界线精细化工生产中，反应釜的温度控制精度直接影响产品质量、收率和生产安全。面对蒸汽加热和油温机两种主流方案，如何做出正确选型？本文从技术原理、控温精度、高温工况、安全性和经济性五个 ...

We just got our hands on some engineering pre-samples of the ESP32-C3 chip and modules, and there’s a lot to like about this chip. The question is what should you compare this to; is it more an ESP32 ...