Author Archives: admin

Load Arduino / avr bootloader using Raspberry Pi

December 8, 2020

This is more notes for me than anything else, but maybe someone else interested in using a Pi to program their Arduino would be interested. It can be done: https://learn.adafruit.com/ftdi-friend/programming-the-arduino-bootloader https://learn.adafruit.com/program-an-avr-or-arduino-using-raspberry-pi-gpio-pins/programming https://oxygene.sk/2015/02/using-raspberry-pi-as-an-arduino-avr-programmer/ https://learn.sparkfun.com/tutorials/raspberry-gpio/gpio-pinout https://learn.adafruit.com/introducing-pro-trinket/pinouts https://github.com/adafruit/Adafruit_ProTrinket_Bootloader sudo avrdude -p atmega328p -C … Continue reading →

Posted in Circuits and Electronics, Computers and Hardware, Hobbies, Technology | Comments Off

8bit Metronome

June 9, 2020

Editor’s note: This post has been over a year in the making (I just kept procrastinating). It’s finally here, time to share some Arduino fun. After creating my last metronome, based on a 555 IC, I decided I wanted to … Continue reading →

Posted in Circuits and Electronics, Hobbies, Music, Upgrade | Comments Off

Copper pipe guitar wall hanger

May 11, 2020

I’ve finally made a wall hanger for my telecaster. Everything was scrap from other projects. The wood came from the underside of a dresser that got taken apart, the copper is from old baseboard, the wooden “plugs” in the copper … Continue reading →

Posted in Hobbies, Home and Homestead, Music | Comments Off

True bypass with DPDT and LED indicator

March 31, 2020

Typically to get true bypass with an indicator LED, you need a 3PDT. Sometimes these are hard to source, and even when found, quality can be less than perfect. To get around this you can use relays to control switching … Continue reading →

Posted in Circuits and Electronics, Music | Comments Off

Simple guitar cable tester

March 31, 2020

With social distancing being the current norm, I’m working primarily from home right now. As such, I found I needed to clean my work area. Doing this, I also found I had a lot of random bits around and decided … Continue reading →

Posted in Circuits and Electronics, Hobbies, Music | Comments Off