The GTEM, Grid Tie Energy Monitor board, has been designed to be flexible and whilst providing Energy Monitoring functionality, it also has other options for experimenting. AC Input Power safely derived from a SELV / Wall AC/AC Power Supply Provides AC waveform reference for accurate Real Power measurements Connect ideally 12V AC (can […]
The ATMEL M90E26 is a high-performance wide-span energy metering chip. The design includes ADC and DSP technologies to ensure the chip’s long-term stability over variations in grid and ambient environmental conditions. Power Requirements DC 3.3V ~ 6mA Clock 8.192 MHz – External Crystal Interfaces SPI (Full Duplex, Synchronous Channel – 3 or 4 wire) 3 Wire. /CS […]
The ATMEL M90E26 is a high-performance wide-span energy metering chip. The design includes ADC and DSP technologies to ensure the chip’s long-term stability over variations in grid and ambient environmental conditions. Metering Features • Metering features fully in compliance with the requirements of IEC62052-11, IEC62053-21 and IEC62053-23; applicable in class 1 or class 2 […]
The GTEM board can be powered via either/both: USB Interface 5V AC into AC/DC Connector The USB interface (via MicroUSB), can be used to power the GTEM board. This is good for flashing and testing code. The VBUS Diode is only used for protection, preventing any DC from external power supply input, so you […]
GTEM ESP32 ATM90E26 Energy Monitor SDK GTEM-1_Test_ATM90E26_Basic_Calibration-Domoticz (Visual Studio Platform IO) This is available for Visual Studio Code download on our GitHub A simplified version for Arduino IDE can be downloaded on our GitHub This code will: Configure the GTEM board and Test the ATM90E26 Energy Monitor. Calibrate the ATM90E26, where needed (Based on Energy […]
GTEM ESP32 ATM90E26 Energy Monitoring Energy Monitor ESP32 Interfacing The ESP 32 interfaces to the ATM90E26 via either: SPI UART (connected to ESP32 UART2) This is user selectable using the pads on the bottom of the GTEM board. By default, SPI is selected. The ESP32 interfaces to the AT24C64 EEPROM via I2C. It has an […]
RPEM v1 is a STEM project, providing a flexible Remote Power Energy Monitor SDK for your Green Solar/Wind/Battery/Inverter Energy System. The SDK is designed to be as flexible as possible for the Home Automation enthusiast. DC Input can be taken from a power supply or existing battery. Typically, this is between 6V and 15V. […]
RPEM v1 is a STEM project, providing a flexible Remote Power Energy Monitor SDK for your Solar/Wind/Battery/Inverter System. The PCB uses Surface Mount Technologies and is size designed to fit into a Hammond 1553D Enclosure. Size of the PCB is only 70 mm x 60 mm All SMT components, with exception to the DC Input […]
RPEM v1 is a STEM project, providing a flexible Remote Power Energy Monitor SDK for your Solar/Wind/Battery/Inverter System. The SDK Kit is available: RPEM-1-C with four x SMT current clamp 3.5mm sockets mounted. RPEM-1-V without the sockets, for four x voltage monitoring. The RPEM SDK has been designed to be as flexible as […]