This technique uses the following Hardware: Sonoff RF Bridge ($14) RaspberryPi Zero W ($10) + SD Card 433MHz open/close magnetic sensor ($6) 433MHz PIR sensor ($5) Micro USB cables (to power Sonoff + Raspberry Pi) USB to Serial adaptor (to flash Tasmota software onto the Sonoff) And the following free and/or open source Software: Tasmota […]
Tag: nodered
Monitoring Solar Panels with NodeRed + InfluxDB + Grafana
This post will guide you through how to monitor your solar panels using some free open source tools running on your local network. Required technical level: Moderate to Advanced experience with programming/networking/sql/docker. This certainly isn’t a point and click solution. Here’s a summary of the setup: Solar System: 18 x REC 350W panels 18 x […]