Author Archives: fishpepper

tinyPEPPER – testing with an spracing f3 evo brushed (converted to brushless)

This post is an update about my 4in1 blheli_s ESC tinyPEPPER. I just did a first test using an old F3 evo brushed board that i converted to brushless operation (remove FETs and pulldown resistors). I will probably to the maiden with this board and an uSKY rx instead of using my tinyFISH fc as… Read More »

pepperF1SH – Part I: Frame & Motors

pepperF1SH This post is the first in a series of posts about the adventure of building the world’s lightest brushless FPV quadcopter: project pepperF1SH. Banggood recently released a new nice, cheap and lightweight brushless motor, the Racerstar 1103 8000KV ( also available as a 10000KV version). First thrust tests on the 8000KV motor on 1S… 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 »