NurdPower

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Project NurdPower

Power usage display
Status	In progress
Contact	bertrik
Last Update	2019-06-29

Intro

Shows power usage (from MQTT) on a 7-segment display.

Hardware

Wemos D1 mini connected to a TM1637 4x 7-segment display.

Connections:

display 5V to Wemos 5V
display GND to Wemos GND
display DIO to Wemos D4
display CLK to Wemos D3

Software

Source code is on github.

Basically it subscribes to the MQTT stream, receives power updates and displays them on the 7-segment display.

Uses the following libraries:

TM1637 driver to set the digits.
WifiManager
PubSubClient

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