Custom PCB Behind the PV Pi: From a 100-Board Plan to Shipped Rev D
Luke Ditria planned 100 PV Pi solar HATs. Demand forced a Rev C pilot and a Rev D silk-and-connector pass before 514 boards shipped. Factory notes on 2-layer power-HAT DFM.
Electronic Project
Electronic Projects is a dedicated space for practical, hands-on electronics making. Here you’ll find a curated collection of inspiring projects ranging from beginner to advanced levels. Each project comes with comprehensive resources including detailed step-by-step tutorials, professional PCB design files, complete source code, bill of materials (BOM), and real-world build guidance.
Custom Tester PCB Work That Let AutoEcology Ship 500 PV Pi HATs
Luke Ditria and Matt automated flash-and-test for 500+ PV Pi solar HATs. Factory notes on test pads, 2-layer FR-4 DFM, and the second PCB that proves the first.
ESP32 Patient Health Monitor on a 2-Layer PCB: Analog Paths, Headers and DFM
How To Electronics moved an ESP32 ECG, SpO₂, BPM and NTC monitor off the breadboard onto a 2-layer PCB—plus outline, mask and header lessons from real factory EQs.
ESP32 Fingerprint Voting Machine: The Custom Double-sided PCB That Changed Everything
Follow one maker’s path from a working ESP32 + R503 fingerprint concept to a clean, reliable biometric voting machine with live web dashboard. Practical 2-layer PCB choices, the DFM realities we faced, and how a proper board turned the idea into something you can actually trust.
From Sketch to Scannable Reality: The Custom 2-layer PCB That Made This ESP32 Fingerprint Attendance System Sing
An engineer’s take on the ESP32 fingerprint attendance system with live web dashboard. Real PCB decisions, power-noise fixes, and how a clean 2-layer board turned a maker idea into something schools can actually use.
From Prototype Mess to Clean Readings: The Custom PCB Behind an ESP32 Air Monitor
Discover how a maker turned an ESP32, PMS7003 and BME680 into a professional IoT air quality monitor with smart 2-layer PCB choices. Real DFM insights, power stability tips, and factory lessons that made the project reliable.
Custom PCB Design That Brought The Portable ESP32 Thermal Camera to Life
Follow the real path from ESP32 + MLX90640 idea to working heat-vision camera. Layout choices, first-prototype tweaks, power integrity, and the factory support that turned a good idea into a reliable tool.
From Sketch to Pocket: The Custom 4-Layer PCB That Powered ESP32 Activity Tracker
See how a maker turned an ESP32-S3 and BNO08x into a real activity tracker using custom 4-layer PCB design. Practical stackup, DFM lessons, and factory insights from prototype to pocket device.
Custom Video Interface PCB: Real Lessons from Breadboard to Working Display
Follow maker JurassicVader’s journey from breadboard struggles to a working custom video interface. Real PCB timing challenges, DFM fixes, and how professional manufacturing turned a wild prototype into reliable hardware.
PCB Alchemy: Turning a Dead PlayStation's NAND into a Real Portable Drive
Chase Fournier recycled broken PS5 NAND into a 224 GB portable SSD. Real PCB challenges, BGA layout decisions, and manufacturing lessons that turned scrap silicon into reliable everyday storage.
Sony Frame Hacking with Zero Experience: The PCB Decisions That Actually Mattered
See how Chase Fournier fixed backlight & power failures in his no-experience Sony frame series. Practical MultiBoi PCB specs, DFM tips, and how custom prototypes turned a thrift-store project into reliable hardware.
PCB Reality Check: How Chase Turned Xbox One eMMC into a Working Flash Drive
Chase Fournier recycled two dead Xbox One S boards into a working 10GB USB 3.0 drive. Real reballing struggles, NS1081 dual-channel choices, PCB layout realities, and the manufacturing details that kept the project alive.
