Electronic

humidity sensor

lora esp32 pinout] * [[https://www.banggood.com/0_91-Inch-128x32-IIC-I2C-Blue-OLED-LCD-Display-DIY-Oled-Module-SSD1306-Driver-IC-DC-3_3V-5V-p-1140506.html|I2C Blue OLED LCD Display DIY Oled Module SSD1306