Metronome v2.0
From 2007 breadboard chaos to beautiful PCB learn-to-solder project
Build an electronic metronome using 555 timer IC and PCB design. Complete DIY music electronics project with Eagle CAD files, component list, and assembly guide.
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The Amp Hour Podcast Interview
Featured on popular electronics engineering podcast discussing career and projects
Listen to Daniel Andrade's interview on The Amp Hour electronics engineering podcast. Discussion covers career journey, projects, and insights into electronics design industry.
Build a 3.5mm Audio Switch
Berlin apartment hack - toggle between RaspberryPi and Mac audio
Build a DIY 3.5mm audio switch PCB to toggle between multiple audio sources. Complete tutorial with Eagle CAD files, circuit design, and assembly instructions.
Backup and Restore Raspberry Pi SD Card
Complete guide for cloning and restoring Pi installations safely
Learn how to backup and restore Raspberry Pi SD cards using dd command on Linux/macOS. Complete tutorial for cloning Pi installations and data recovery.
Round corner PCB with Eagle CAD
Professional board aesthetics with smooth rounded corner techniques
Learn how to create rounded corners on PCB designs using Eagle CAD. Improve your board aesthetics and reduce stress concentration with professional corner rounding techniques.
Virtualmin: Backups to Google Cloud Storage
Automate server backups to Google Cloud with cost-effective Nearline storage
Learn how to configure Virtualmin to automatically backup your servers to Google Cloud Storage using gsutil. Save money with Nearline storage at 1/3 the cost of Amazon S3 while bypassing Virtualmin Pro limitations.