I build things.
Sometimes I take notes.

Engineer and tinkerer documenting projects in radio, electronics, software, and whatever else catches my interest.

David C. Dean
>

Projects

Software

FixFolio

An iPhone/iPad app for tracking home maintenance, breaker panels, and service contacts.

February 1, 2026
Amateur Radio Electronics

Fixed Frequency WebSDR Minisite

A quick project to let a local Scout troop listen in on evening nets without radios or licenses.

August 14, 2025
Craft Electronics Python

ESP32 e-Paper Display

A 7" 3-color e-paper display with an ESP32 driver board and Raspberry Pi backend.

January 1, 2022
Python Salesforce

Turn Salesforce Data into PDFs

Making PDFs from Word documents using Salesforce record data — without Conga.

April 25, 2017
Salesforce

Salesforce CI Using Bitbucket Pipelines

A foundational guide for continuous integration with Salesforce — largely outdated now in favor of SFDX.

October 3, 2016
Python

Logitech G13 Driver for Linux

A Python userspace driver for the Logitech G13 gamepad.

January 3, 2014
Craft Electronics

ATMega Patio Light Jar

An overkill but functional approach to outdoor lighting with a mason jar and microcontroller.

January 2, 2014
Craft Electronics

A Better Rocket Launcher

The Estes launch controller was disappointing, so I built something way cooler.

January 1, 2014
Craft

$6 Desktop Dry Erase Board

A minimal DIY dry erase board for your desk.

January 2, 2013
Electronics

Cable Receiver Control With Arduino

Controlling a cable receiver using an Arduino and IR emitters.

January 1, 2013
Craft Electronics

Cheap Arduino Bluetooth Power Switching

Quick and easy Bluetooth-controlled lamp switching for about $10.

September 12, 2012
Craft Electronics

Light and Temp Blinds Closer

Automated window blinds using a microcontroller, servo, and sensors.

January 1, 2012