ArduinoEnergyLogger

An arduino code that reads Current Transformer (CT sensor) data, SRNE Mppt controller data, and SNAT PSW inverter. The data collected will be transmit to a HTTP server via POST with a CSV formatted data. The device used in this project is Wemos D1 mini.

Please refer to the screenshots below.

Applications

Solar and Energy Datalogging
Diagnostics
Consumption Analysis

Supports

CT Sensor
SRNE Mppt Controller
SNAT PSW Inverter

Files

ArduinoEnergyLogger.ino - main file
analog.h - support file for ct sensor reading (based on emon) [Edit cpp/h].
display.h - support file for displaying data via OLED [Edit cpp/h].
post.h - support file for posting data to a HTTP server IoT.
srne.h - support file for extracting data from a srne mppt controller.
snat.h - support file for extracting data from a snat psw inverter.
webserver.h - support file for the device webserver, used for wifi and device configurations/informations [Edit cpp/h].
utils.h - helpers.
hardware - directory of hardware design eagle files
screeshot - directory of images used for README

Wiring for CT sensor, SRNE, and SNAT

CT sensor                 Wemos D1 mini
divider circuit --------- ADC0 (A0)
(2 x 100k ohms and 10uF)

SRNE                      Wemos D1 mini
Rx ---------------------- D7
Tx ---------------------- D8

SRNE                      Wemos D1 mini
Rx ---------------------- D5
Tx ---------------------- D6