EMIS v1 Energy Monitoring board main features (Provisional):

• Espressif ESP32 WROOM 32
  • 2.4GHz Wi-Fi and Bluetooth LE MCU module, with dual core CPU
• AT24C64 EEPROM
  • For storing parameters, calibration data, Logs etc.
• Isolated Current Input
• Current Sensor AC/DC 100A
• ADC 12-bit Resolution
  • Using ESP32 Internal ADCs
• Meter Pulse Sensor Input
• CT Clamp Input
  • With or without Burden Resistor.
  • Suitable for popular SCT013 YHDC
• Isolated Relay Output 2A DC
• RS232 and RS485 interfaces
• On-board Temperature Sensor
  • NTC (range -40ºC to +125ºC)
• USB UART
  • Micro USB.  Uses the popular CH340 for ease of developing code, flashing and debugging
  • Arduino D1 Flashing and Programming Compatibility
  • No drivers normally needed
• OLED Display / I2C / SPI Interface
• PCB 7-15V DC Input