Category Archives: DIY

SkyRC quattro mini / Hitec X4 – TinyWhoop battery connector mod

I recently bought a SkyRC quattro / Hitec X4 charger for my TinyWhoop and pepperF1SH batteries. Unfortunately this charger does not have the 1.25mm molex picoblade connector you find on the standard picoblade connector used on the TinyWhoop batteries. The MX connector is a close fit, but having a different spacing (1.5mm VS 1.25mm) damages… Read More »

tinyFISH FC – How to build your own! [revision 0.2]

UPDATE: please refer to the latest revision v0.2b! In this post I am going to share all the parts you need to build your own super lightweight tinyFISH flight controller with an integrated, FrSky compatible rx. All the following information applies to the current version 0.2 of tinyFISH (tagged as revision 0.2). Changes compared to… Read More »

Pagoda antenna – panelized version!

Even though my newest toy, the 32.4g brushless fpv copter pepperF1SH is not using circular polarized antennas, I started preparations for the next outdoor racing season. After seeing Maartens nice Pagoda antenna design, I realized that I will never again build those oldscool timewastingwirecage-antennas… So I needed some pagoda antenna PCBSs. Joined by some friends… Read More »

EFM8 bootloader flash tool – efm8load.py

I am working on a custom 4in1 blheli_s ESC for micro brushless setups. I wouldn’t like to reveal too much at this point, except it is going to be tinytiny (20x20mm) as you have seen with my version of a Frsky compatible tiny rx (see my uSKY project). UPDATE: you can find more about the… Read More »

OpenGround – Part 11 – CC2500 adapter board

This is the 11th post of my series documenting the development of a custom firmware for the FS-i6s transmitter. CC2500 adapter In order to remove the mess of cables inside the modified transmitter, i designed an adapter pcb to adapt the CC2500 transceiver module to the pads on the transmitter pcb. It’s no rocket science… Read More »