Month: December 2020

  • Shelly EM – Power Monitoring in Grafana / Influx

    Shelly EM – Power Monitoring in Grafana / Influx

    New Youtube vid – see below for code! The Youtube vid covers general concepts, and below I’ve listed the basic steps to getting this working, plus posted some code samples you can use. Buy your Shelly EM with one or two current clamp sensors. Shelly make a 50A and a 120A sensor for the same […]

  • DIY Multisensors – what are the options?

    DIY Multisensors – what are the options?

    Preamble Let’s get one thing out of the way. Wireless vs. wired? One of my favourite YouTubers Andreas Spiess released a vid this week about PoE on the ESP32. Andreas touched on the discussion of Wireless vs Wired for IoT devices and I agree with his comments. I’ll leave this here: wireless is fantastic but […]