Category Archives: DIY

Cutting solder paste stencils with the silhouette plotter — gerber2graphtec modification for tiny structures

Some weeks ago I wrote about using a silhouette portrait craft plotter for cutting solder paste stencils. The described process uses the collection of the  gerber2graphtec python scripts to process the fabrication data from kicad and send the cutting instructions to the plotter. The solder paste stencils I did cut for the VESC came out… Read More »

Eachine EV100: gray bar & distorted image problem — cause, fix, and technical background

There have been a lot of rumors and discussion about the $99 Eachine EV100 FPV goggles recently. I already did some teardown, component analysis, component identification, and analyzed the “diversity” feature of the receiver in my previous posts. With the goggles being more and more used, people experience a new problem with these goggles: Depending… Read More »

Pagoda 3/3B antenna — 60 sets + Assembly jig on one PCB panel – fishpepper edition

This post is a follow up on my recent Pagoda3/3B panel design. Recently I have been asked to do an updated revision of my previous pagoda antenna panel for easy ordering. Maarten Baerts recently updated his great pagoda design. My pre-previous article on how to order 160 antennas for 40 bucks was a great success… Read More »