Stripboard Planning Worksheet
Download: Stripboard Planning Worksheet I’ve been doing some in depth research on modular synthesizer and Eurorack module designs. As long…
HC-SR04 Ultrasonic Distance Sensor Calculator
HC-SR04 Ultrasonic Distance Sensor Calculator This calculator can be used with an HC-SR04 Ultrasonic Distance Sensor. The sensor uses high…
KiCad PCB Design for Electronics Rapid Prototyping
This is a talk on PCB design I gave at KiCon in 2019 on the topic of Electronics Rapid Prototyping,…
Better Arduino Random Numbers
My path to finding better Arduino random numbers, started with wanting a bit of code to pick winning raffle ticket…
Rapid PCB Prototyping with the Othermill
The phrase “failing fast” is commonly associated with software. With hardware, short of paying a huge premium for quick turns…
Snowbot Assembly Guide
This Snowbot Assembly Guide will help you put together the Rheingold Heavy Holiday Project: The 2015 Snowbot Rev1. Snowbot Assembly:…
Snowbot Ornament Project
It is my great pleasure to introduce you to the Rheingold Heavy Holiday Project: The 2015 Snowbot Rev1. Snowbot Project…
Building An Electronics Design Workflow…
Over the past two weeks, I’ve had a string of prototype failures that are entirely attributable to one origin: me.…
The Sweet Soldering Soundtrack
The Man who does not solder to music, is the Man who has not lived. — Abraham Lincoln It stings…
MSGEQ7 Breakout Board Build Log
March 28, 2015 The production boards arrived last Thursday, the same day I got back from a month giving I2C…
HP QDSP6064 Bubble Display
The nostalgia is strong with this one, reminding me of innumerable calculators I had as a kid growing up, so…
Recovering an Abandoned Kickstarter: the MSGEQ7…
Sometime in early 2014, I backed a kickstarter project that was supposed to create a breakout board for the MSGEQ7…
Bypass Capacitors
Your integrated circuits are not ideal switches that go merrily high or low without causing disturbances in the force when…
SparkFun MicroView Review … a microreview?
In April-2014, I backed the SparkFun MicroView, developed by Geek Ammo on Kickstarter. I’ve grown out of my “oooo shiny!”…
MicroView Widget Style Guide
This is a visual guide for the various MicroView widget styles that are part of the MicroView Library. Please note…
Education Shield Display Board
One of my design requirements for the I2C and SPI Education Shield was to make it expandable, and the first…
PCBGrip Electronics Assembly System Review
In February of 2014, I backed the PCBGrip Electronics Assembly System on Kickstarter. It was the first Kickstarter I backed…
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,…
August 2014: I2C and SPI Education Shield
August 4, 2014 I had Digi-Key ship the parts to the UPS depot down the street, and they arrived, last…
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…
