Category Archives: tinyFISH

OpenSky / tinyFISH — How to update the OpenSky receiver firmware through betaflight

Some weeks ago I added a bootloader mode to my custom FrSky compatible firmware OpenSky for commercial or DIY receivers. This allows hassle free updating of the OpenSky receiver firmware using the STM32 bootloader protocol. For targets such as the D4R-ii or others using an STM32 processor with the factory programmed bootloader nothing special had to… Read More »

tinyFISH FC — report of the first successful community built fc

The first community built tinyFISH fc is alive! I recently got an email from the rcgroups user Sevo. He  successfully managed to assemble and flash his tinyFISH fc. Congratulations, this is the first report of a working replica from the community! Even though he had no access to a microscope he managed to complete his… Read More »

tinyFISH FC – initial setup & flashing tutorial II/II

In the previous tutorial we flashed the betaflight firmware into the STM32 of our flightcontroller, this time we will flash the tinyFISH FC receiver firmware. We are going to use the frsky compatible OpenSky firmware. You can now decide to download the latest version of OpenSky here and build the tinyfish target yourself (make TARGET=TINYFISH).… 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 »