Category Archives: DIY

tinyPEPPER2 ESC – How to build your own! [v0.4]

In this post I am going to share all the parts you need to build your own super tiny tinyPEPPER2 4in1 Blheli_S ESC. All the following information applies to the current version 0.4 of tinyPEPPER2 (tagged as revision 0.4). If you are wondering what makes this thing so special, have a look at the main… Read More »

A pepperF1SH and the Great Pyramid of Giza

All Giza Pyramids Ricardo Liberato, CC BY-SA 2.0 Today’s priceless question is: What does the pepperF1SH, the world’s lightest brushless quadcopter, and the Great Pyramid of Giza have in common? — Nope, I am neither talking about both being available as cheap clones from China nor about an illegal FPV flight next to this impressive… Read More »

A sub-250g copter in 3″ or 4″ — not the 40g pepperFIISH you are used to ;) [english]

[hier geht’s zur deutschen Version des Artikels] This is a blog post from Holger, another copter fanatic from my hometown Bielefeld 🙂 Thank you very much for giving the permission to share this build log with my readers. The original article was written in German, if you find any spelling/grammar bugs in this translation please… Read More »

Der sub-250g copter in 3″ oder 4″ — mal kein 40g pepperFIISH ;) [deutsch]

[click here for the english translation] Dieser Artikel ist ein Gast-Post von Holger, eines weiteren Copter-verrückten aus Bielefeld wie ich 🙂 Vielen Dank für die Erlaubnis diesen Beitrag mit meinen Lesern teilen zu dürfen! Nun also viel Spaß beim lesen seines Artikels: … und es geht ganz leicht… Der sub 250g Copter Im Internet sprangen… 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 »

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 »