CMIS v1 specification overview:
- Espressif ESP32 WROOM
- 2.4GHz Wi-Fi and Bluetooth LE MCU module, with dual core CPU
- AT24C64 EEPROM
- For storing parameters, calibration data, Logs etc.
- 4 x Isolated Bi-directional Current Sensors AC/DC Maximum ±100A
- ACS758 100A (ACS758LCB-100B-PFF-T), Hall Effect based, Linear Current Sensor
- Large Quality Terminal Blocks suitable for 20 AWG up to 6 AWG, 10mm², Rated 52A 300V
- ADC 12-bit Resolution
- Using ESP32 Internal ADCs
- CT Clamp Input
- With or without Burden Resistor.
- Suitable for popular SCT013 YHDC
- 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 Connections
- I2C
- DC Power LED (red)
- RGB LED (ESP software code / firmware controlled)
- SPI and I2C Connections
- DAC Output
- With LP/HP filter options (unpopulated R/C)
- Configurable via 0805 place-holders and jumpers
- On board 3V3 and 5V LDO Voltage Regulators
- PCB 7-15V DC Input
- PCB Size 100mm x 95mm