DIY

Home Automation: DIY Arduino vs. Airthings View Plus

Comparison of my DIY Arduino Uno DHT22 temperature and humidity IOT sensor with ESP8266 WiFi module. Up against the commercial Airthings View Plus sensor hub which can do radon, temperature, humidity, pressure, VOC, PM and CO2. This video is also a complete walkthrough of how I built the Arduino solution and how to setup the […]

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Where To Get “Free” TO-247 IGBTs and MOSFETs

A look at a box of IGBTs and MOSFETs that I have salvaged from household electronics like microwave ovens, induction stoves, solar inverters, welding machines, car and battery charges and other common high power electronics with switching inverters. The TO-247 IGBTs can be used in a DRSSTC Tesla Coil using the free half- and full-bridge

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DIY 30W LED Work Lamp From a Discarded Street Light

I found a discarded street light head at a scrap yard and wanted to give it a new life instead of being shredded. Re-use, re-purpose or re-invent. Do not just throw out stuff, see if you can use it in another way. The Earth Overshoot Day is something to take seriously. https://www.overshootday.org/ The original lamp

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