Better Arduino Random Numbers
My path to finding better Arduino random numbers, started with wanting a bit of code to pick winning raffle ticket…
tutorials-basic-electronics
How To Read A Datasheet
Datasheets are the Rosetta Stone for your electronics projects, and unless you happen to understand the electronic equivalent of Greek,…
Timing Diagram Basics
Each component you will encounter that communicates over a serial connection, will require understanding the timing of those interactions. Timing…
Bypass Capacitors
Your integrated circuits are not ideal switches that go merrily high or low without causing disturbances in the force when…
Building things with NPN transistors…
[mathjax][/mathjax]I’ve spent the last three days writing up a notebook entry that attempted to cover the basics of transistor theory,…
Circuit Noise Control with DIY Optoisolator
[mathjax][/mathjax] The whole point of the optoisolator is to help electrically isolate one part of your circuit from another. I…
Make your own DIY Optoisolator
[mathjax][/mathjax]An optoisolator is used to electrically isolate one part of a circuit from another. Say you’ve got a noisy part…
Measuring a Photoresistor Circuit
[mathjax][/mathjax] A light dependent resistor (LDR), a photoresistor, changes it’s resistance depending on the amount of light that hits the…
Using your Multimeter – Basic Circuit Measurement
I wanted to provide some more visual references on exactly how and where you can hook up a multimeter to…
Basic LED Circuit Measurement
I have discovered that I learn best when I build a circuit, and then measure the hell out of it. …
