Hello, let’s try the compass on the micro:bit today! A digital compass is an input sensor that detects magnetic fields. Your BBC micro:bit has an inbuilt compass that can detect the direction in which it is facing. I am going to make a mine clearance alarm project today.
Urban noise pollution is recognized as the third major public hazard in today’s society. It is no less harmful to humans than other pollution. Data shows that under long-term noise stimulation, the cerebral cortex excites and inhibits excessive balance disorders, abnormal conditioned reflexes, and brain damage to vascular tension will have a great impact on the human body’s nerves, cardiovascular, digestion, immunity, endocrine system and fetal development.
Following with the previous issue of Shot the Bull's-eye in ecode (Ⅰ), we would continue programming and enable it to achieve shooting and scoring functions. The principle is very simple, let’s do it together now!
First, we need to add a code to the arrow and launch the arrow when the space bar is pressed.
Playing games is always happy. Have you ever thought of making one yourself? This time we will use ecode to make a bullseye game, share it with your friends and family, and invite them to play the game you made by yourself.
Through our last ecode Five-pointed Star project introduction, you must have some understandings on the ecode pen extension, today let’s do a more complicated drawing via the pen extension named Star Annulus, see the picture below: