This is an esp32 custom PCB. The features of the board are:
• 7-35 power input
• LORA connectivity
• WIFI and Bluetooth connectivity
• 2 relay outputs
• 2 ADC 16 bit 4-20 mA terminals
• 2 ADC 16 bit 0-5 volts terminals
• 7 ADC 12 bit pins
• 2 I2C pins SDA and SCL
• One I2C mini display SSD1306
Example of usage scheme: