FPV SYSTEMS
OCT 12 • 5 MIN
PID Tuning 101: Eliminating Prop Wash
Stop guessing P-gains. Use blackbox logs to scientifically tune out oscillations.
ROS 2
OCT 08 • 12 MIN
Nav2 Stack on Raspberry Pi 5: A Complete Guide
Setting up SLAM and autonomous navigation using LiDAR and the new Pi 5 PCIe bus.
FABRICATION
SEP 28 • 7 MIN
From Breadboard to Gerber: 4-Layer PCBs
Why move to 4 layers? Ground planes, impedance control, and reducing EMI.
POWER LAB
SEP 15 • 4 MIN
Li-Ion vs LiPo: The Truth About C-Ratings
Don't burn your ESCs. We test discharge curves of generic vs. branded cells.
3D PRINTING
SEP 02 • 6 MIN
Printing Nylon & Carbon Fiber: Nozzle Wear Guide
Hardened steel vs. Ruby nozzles. How to keep your hotend alive with abrasive filaments.
EMBEDDED AI
AUG 20 • 10 MIN
Edge Impulse on ESP32: Voice Recognition < $10
Train a custom wake-word model in the cloud and deploy to ESP32-S3 for offline use.
RADIO LINKS
AUG 05 • 8 MIN
ExpressLRS 3.0: 10km Range on a Budget
Flashing receivers via WiFi, binding phrases, and optimizing packet rates for low latency.
SUPPLY CHAIN
JUL 12 • 5 MIN
Spotting Counterfeit ICs: A Buyer's Guide
How to identify sanded toppings, wrong date codes, and re-tinned leads on STM32 chips.