DHT20 Notes

I2C temperature sensor with Raspberry Pi 4 Ask QuestionAsked yesterdayActive todayViewed 26 times1 I’m trying to use a Raspberry Pi 4 to read an I2C temperature and humidity sensor. The part I’m using is a […]

pico 4WD code

*** pico_4wd_v94.py – tlfong01, 2021nov19hkt2223 *** from machine import Pin, PWM, UARTimport utime ========= ========= ========= ========= ========= ========= ========= ========= ========= ========= ========= ========= ========= ========= ========= ========= ========= ========= ========= […]

RF mx05v etc notes

tlfong016715Sat 16:30And I googled the schematics of the Xmit and Recv modules. I found them simple electronic circuits, without any intelligence, just blindly sends/receives high low signals. So I guess the encoding […]