Example 4: Interrupts and Timers with a PIR Motion Sensor page 163, ebook micro python Q&A Forum › Category: Raspberry Pi › Example 4: Interrupts and Timers with a PIR Motion Sensor page 163, ebook micro python 0 Vote Up Vote Down Roger Lakin asked 4 weeks ago I was wondering any software updates. After removing USB plug and supply independent power the Motion detected LED stays on all the time. 1 Answers 0 Vote Up Vote Down Sara Santos Staff answered 4 weeks ago Hi. Did you upload the code to the board with the name main.py? Regards, Sara