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For celebrating Arduino Day 20201 , here is an amazing mashup project: a Talking Useless Box called the Switch of Enlightenment.   Like all useless boxes, throwing the switch will cause a servo controlled arm to turn the switch back off after a random time delay. In my build version, an ISD1760PY voice recorder is also triggered to utter some useless, but funny, comments  or sound effects.   The ISD1760PY is unique as the voice recordings can be changed on the fly. The ISD1760 ...
For my Arduino Day 2021 Project I built a controller for my solar powered crawlspace vent fan.  I provided an overview of the project in a previous post - Arduino Day 2021 Project Intro .   The following documents my implementation.   Bill of Material:Product Name Manufacturer Quantity Arduino Nano 33 IoT Arduino 1 LM2596 Buck Converter Module 1 HW-803 5V Relay Module 1 BME280 Temperature Sensor Board 2 M5StickC Plus M5Stack 1 Raspberry Pi 4 2GB Raspberry Pi 1 SPDT Slide Sw ...
I thought I should provide a brief overview of my project that I'll submit for Arduino Day.  Tariq sent me an Arduino Nano 33 IoT to use in my project.  Thanks Tariq!  I was a bit surprised that it was shipped directly from Farnell in the UK, but I'm guessing there wasn't any US stock - probably a pandemic side effect....   A few years ago the Energy Trust of Oregon was offering incentives to install upgrades to reduce energy usage and I took the opportunity to add thermal r ...

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