Category Archives: fpv

fpv related quadcopter posts

Eachine EV100 component analysis: Display module supplier and technical data — UPDATE

In my previous post regarding the display module of the $99 Eachine EV100 googles I tracked down szsonicom as the manufacturer a reseller (?) of the display assembly. As it turns out the actual manufacturer of the display is CITIZEN. When you browse their product portfolio you can see a picture of the display assembly that… Read More »

Eachine EV100: no audio problem — cause, fix, and technical background — UPDATE

Some days ago I published a post on how to fix the totally broken audio on the $99 Eachine EV100 FPV goggles. As it turned out the inbuilt receiver module, a Sinopine SP338RX, is missing “some” components that generate the audio output. Some people are lucky as their modules are only missing the 6.5MHz filter.… Read More »

Eachine EV100: no audio 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, analyzed the “diversity” feature of the receiver, and wrote about how to fix the gray bar problem in my previous posts. There is another problem with those goggles: No… 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 »