N13 Clips: Assembling the NX3909

Acer Chromebook CB315 Battery Replacement

N13 Clips: Assembling the MVA

DS2401 Silicon Serial Number

The NX3909: A Homebrew LED Flasher

LM3909 LED Flasher IC

N13 Unedited: EasyEDA in 3D

External Interrupts for Arduino

Building a Minimum Viable Arduino

FTDI USB to Serial Adapter Demo

N13 Unedited: Screen Recorder Pro Demo

N13 Unedited: Koolertron GH-CJDS66 Demo (Playing the music of The Krell)

Mailbag #3 May 2021

CD4022 Electronic Die

Recycling a PIC 16F883 Microcontroller

Mailbag #2 December 2019

N13 Unedited: Tektronix 434 Storage Scope Demo

Adjustable DC Offset with an LM1458

HC-SR04 Ultrasonic Ranging Module

Western Electric Model 500 Desk Phone Restoration (Part 3)

Mailbag #1 October 2019

Micro Player Pac-Man Retro Arcade Unboxing Demo and Teardown

Western Electric Model 500 Desk Phone Restoration (Part 2)

Western Electric Model 500 Desk Phone Restoration (Part 1)

TL431A Precision Programmable Voltage Reference

Kidde Carbon Monoxide Alarm Teardown

HM6116 2K x 8 Static RAM

Supercapacitor Charging Circuit

LM339 Window Comparator

LM339 Quad Voltage Comparator