At the end of January 2021, the Raspberry Pi Foundation launched the Raspberry Pi Pico, which received a lot of attention due to its high-performance and low-cost. The size of Pico is 21mm *51mm, ...

Thonny is a free and open source software platform with small size, simple interface, simple operation and rich functions. It is a Python IDE suitable for beginners. In this tutorial, we use this IDE ...

Here is one simple circuit of a general-purpose white LED security light with Passive Infrared (PIR) Motion sensing mechanism. At the heart of the circuit is a PIR sensor module SB0061. SB0061 is a ...