The 40-Year-Old Cable Modem (part 1)

BeagleBone-controlled LED strip

IBM 5140 Convertible and 300 baud modem teardown, ANTSDR quick look, IKEA air quality sensor hacks

Dusting off my T1-to-USB telephony interface project

Designing a replacement part for a 1930s telephone office switch

Intro to 5 of my electronic music, telecom, and retro-computing projects

PortaPack Firmware using Windows 10

PortaPack H1 Firmware 20160222

PortaPack H1 Firmware 20150722

PortaPack H1 Stacking

Installing a PortaPack into the Aluminum Case

How to Open a HackRF One Case

PortaPack H1 Assembly

Reversing Tire Pressure Monitors with a Software-Defined Radio

Door Wall Quick Take

HackRF Jawbreaker PortaPack

HackRF Jawbreaker Antenna Mod

RF Spectrum Analyzer at Maker Faire

Giant Radio Spectrum Analyzer

HackRF: A Low Cost Software Defined Radio Platform

PCB Test with Alpha

PCB Test

KiCAD with Mac OS X touchpad support

Software-Defined Radio Receiver, FM Broadcast Band

Software-defined radio receiving satellite signals

Last Thursday: Familiar lights outside Binks

Two-operator FM synthesis on ARM Cortex-M3

Audio Prototype Circuit Making Audio

Ubertooth 2.4GHz Spectrum Analysis

Make: TV Episode Dispenser at Maker Faire 2009