DS18B20 temperature recorder - ESP32 Bluetooth SPP control
Use the mobile phone APP to read the temperature display curve or value of the DS18B20 read by the ESP32 through the Bluetooth SPP profile on the mobile phone.
the ESP32 code is placed on my blog :
https://www-winson.blogspot.com/2023/...
#ds18b20 #arduino ##esp32 #arduinoIDE2 #bluetooth APP #spp #bluetooth