Solar Energy SDK Board Comparison

Table shows the differences of features between Solar Energy SDK boards.

SDK Board Features	Flow	CMIS v1	EMIS v1	GTIM TX v1	GTIM RX v1	LMIC v1	RMIS v1	RMIS v2	RPEM v1
Status	*	New Sep-22	New Sep-22	New Oct-22	New Oct-22	New Sep-22	Feb-22	New Sep-22	New Sep-22
MCU (WiFi MQTT Compatible)	*	ESP32 WROOM32	ESP32 WROOM32	ESP8266 (ESP-12)	ESP32 WROOM32	ESP8266 (ESP-12)	ESP8266 (ESP-12)	ESP8266 (ESP-12)	ESP8266 (ESP-12)
EEPROM (Calibration / Storage Memory)	Data	24C64	24C64	24C64	24C64	24C64	*	24C64	24C64
Interface D1 Compatible Flashing	Data	Yes	Yes	Yes	Yes	Yes	*	Yes	Yes
Interface Debug Serial Output	Data	USB	USB	USB	USB	USB	UART TTL	USB	USB
Interface Flashing UART TTL TX RX DTR RTS	Data	*	*	*	*	*	Yes	*	*
Interface Flashing UART USB CH340C	Data	Yes	Yes	Yes	Yes	Yes	*	Yes	Yes
Interface I2C	Data	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Interface RS-232 (Pad Selectable)	Data	*	Yes (2 Ports)	*	*	*	*	*	*
Interface RS-485 (Pad Selectable)	Data	*	Yes	*	Yes	*	*	*	*
Interface Select Pad for RS-232 or RS-485	Data	*	Yes	*	*	*	*	*	*
Interface SPI	Data	*	Yes	*	*	*	*	*	*
AC/DC Current Rating +/-	Input	100A	100A	*	*	*	30A	30A	*
ADC Device	Input	ESP32 WROOM32	ESP32 WROOM32	MCP3008	ESP32 WROOM32	ESP8266	MCP3008	MCP3008	ADS7828
ADC Interface	Input	Internal	Internal	SPI	Internal	Internal	SPI	SPI	I2C
ADC Resolution	Input	12 bit	12 bit	10 bit	12 bit	10 bit	10 bit	10 bit	12 bit
ADC Type / Architecture	Input	SAR	SAR	SAR	SAR	SAR	SAR	SAR	SAR
Current CT Mains Clamp Inputs	Input	1	1	1	*	*	*	*	4
Current Sensor Device AC/DC	Input	ACS728/100A	ACS728/100A	*	*	*	ACS712/30A	ACS712/30A	*
Current Sensor Isolated Inputs	Input	4	1	*	*	*	4	4	*
On-Board Temperature Sensor	Input	NTC	NTC	NTC	*	*	MCP9808	NTC	NTC
OPTO Meter Reading Input	Input	*	1	1	*	*	*	*	*
Voltage Monitoring AC (15V Max)	Input	*	Yes	Yes	*	*	*	*	*
Voltage Monitoring DC Inputs	Input	*	1	*	*	*	4	4	4
Voltage Monitoring DC PCB Supply	Input	Yes	Yes	*	*	*	Yes	Yes	Yes
On-Board 3V3 DC Regulator	LDO	Yes 1A	Yes 1A	Yes 1A	Yes 1A	Yes 1A	Yes 1A	Yes 1A	Yes 1A
On-Board 5V DC Regulator	LDO	Yes 100mA	Yes 100mA	Yes 100mA	Yes 100mA	Yes 100mA	Yes 100mA	Yes 100mA	Yes 100mA
PCB DC Supply Voltage Range	LDO	7-15V	7-15V	7-15V	7-15V	7-15V	10-15V	7-15V	7-15V
DAC Output (with LP/HP Filter)	Output	Yes	*	*	Yes	*	*	*	*
Digital Pot Output (100K)	Output		*	*	*	*	*	*	*
Digital Pot Output (10K)	Output	*	*	*	Yes	*	*	*	*
Interface OLED (I2C)	Output	Yes	Yes	Yes	Yes	*	*	*	Yes
Linear Motor Controller (DC)	Output	*	*	*	*	2/4 ports	*	*	*
MOSFET Isolated Output 1.5A 100V DC	Output	*	*	*	*	*	*	*	Yes
Relay Isolated Output 2A 30V DC	Output	*	Yes	*	*	*	*	*	*