Recent projects, mostly one-off weekend builds, and helpful notes.

Long-term projects and extended build logs live under projects.

• Admiral Y3569 5M6 Restoration

  recapping and restoring an old tube radio

  July 23, 2022

  admiral-5m6 admiral restomod vacuum-tube

• Hallicrafters HP-1 Over-voltage Diagnosis & Upgrade

  figuring out why an old low-voltage power supply kit is putting out double the listed voltage

  July 3, 2022

  hallicrafters-hp-1 hallicrafters power-supply restomod

• Dim Bulb Tester

  building a compact dim bulb tester

  June 15, 2022

  project-box lab power-supply vacuum-tube

• Lab Shelves

  2x4 and plywood shelves for the test equipment

  June 12, 2022

  lumber lab shelves

• Knight Capacitor Checker Recap & Testing

  quick cleanup and recapping an in-circuit capacitor checker

  May 21, 2022

  knight-cc allied-knight-kit restomod vacuum-tube

• 555 PWM Fan Controller

  May 18, 2022

  555-timer oscillator

• Eico 950B Recap & Testing

  cleanup and recapping an out-of-circuit capacitor tester

  May 14, 2022

  eico-950b eico restomod vacuum-tube

• Micronta 22-204C Repair & Testing

  cleaning up and repairing an analog multimeter with battery rot

  February 17, 2022

  micronta-22-204c analog-multimeter micronta restomod

• Motor Tester using the DRV8256P Module

  like a servo tester for brushed motors, battery-powered

  January 15, 2022

  c attiny drv8256p avr-mcu brushed-motor lipo-2s

• 1:36 Scale RC Kinsmart AMG GT

  converting a die cast shell to working radio control

  December 31, 2021

  lipo-1s 3d-print radio-control

• 1:64 Scale RC Hot Wheels BMW M3

  the smallest dual-motor E46 M3, but needs more torque

  November 27, 2021

  lipo-1s 3d-print radio-control

• 1:72 Scale RC Step Van

  designing and printing a small RC van from scratch

  November 15, 2021

  lipo-1s 3d-print radio-control

• RC Rock Garden

  building a decorative crawler course

  September 26, 2021

  rocks sticks outdoors radio-control rc-crawler

• UV Curing Box

  mirrored cardboard box for curing resin prints

  September 4, 2019

  creality-cr10 3d-print

• Feather Prometheus Exporter

  HTTP server and Prometheus client for embedded hardware

  August 17, 2019

  python feather-m4 metrics monitoring prometheus

• 60mm Fan Adapter

  replace the internal 40mm high-RPM fans with external 60mm high-CFM fans

  February 25, 2019

  creality-cr10 mikrotik-csr317 3d-print rackmount