Category: Electronics

Headlamp

By krashkropp on May 1, 2025June 7, 2025

Thin, rechargeable, warm white headlamp with a high efficiency PWM driver and dimmer. -Features -Brightness adjusts to be consistent while battery voltage drops.-Softlatch single button operation with 5 brightness modes-Waterproof-SOS Long life beacon mode-7057 Aluminum

SMT Parts flipper

By krashkropp on March 23, 2023March 26, 2023

I made this as a simple single purpose tool to aid in inverting parts that are upside down when assembling PCB’s by hand. The component are first dumped into the front tray, all right side up parts are then placed, the button front is then pressed to clam shell the back plate forward, both move…

String Cutter

By krashkropp on November 20, 2021April 19, 2023

An automated Standalone String cutter. it uses a 12v barrel connector PSU, Arduino nano, 2x nema 17 stepper motors, 2x drv8825 drivers, a hm11 BLE module and a PCB to connect everything. The rest is 3d printed. Quarters are stacked on top of a razor blade and raised. string is fed from a stepper to…

Software

By krashkropp on November 15, 2021September 18, 2023

Some Windows programs I have made. Blackjack – https://github.com/krash999/blackjack KkroppSync – https://github.com/krash999/kkroppsync Mayday software – http://maydayboards.com/downloads/ Zeroset center calculator – https://github.com/krash999/zeroset Zeroset web based – Zeroset

Electronics Case

By krashkropp on November 13, 2021June 2, 2022

Design of a case to house electronics. 3d printed for initial testing. mold design and production with injection molding for large scale distribution.

Nova

By krashkropp on October 13, 2021June 7, 2025

A wireless long range single channel radio for manually deploying a drone parachute. I designed this radio to have a long lasting rechargeable battery, have a quick double tap deployment and, simplistic small exterior.

Mayday

By krashkropp on September 17, 2021June 7, 2025

Automated drone parachute deployment system. Detects if a drone is free falling or tumbling and deploys a parachute.

Keezer meter

By krashkropp on August 30, 2021June 3, 2025

Electronic monitor for a homebrew keezer. Keezer-meter11-8-2019I’m happy to say I have bought a new freezer to replace the broken keezer it is smaller and only holds 3 kegs instead of 4 but the overall outside dimensions are much better for the limited space in the garage. More importantly the freezer has been converted and…