Graupner GR-12L Receiver Teardown

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This is a general teardown and summary of the Graupner GR-12L R/C 2.4Ghz HoTT Receiver and it's main internal components

PhillyFlyers

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08/31/2020
09/01/2020 at 00:05 • 0 comments

Just did the initial teardown of this unit, and capture and upload of the photos. I really like the compact and yet simple design, effective use of the two CI components yields a nice new 2.4Ghz SoC core, along with an RF extender.

The GR-12L gives you 6 channels, and the included HoTT telemetry.
There is a 5-pin debug header on the top side of the PCB, which is the usual Texas Instruments 'CC Debug' header. I didn't even bother to hook up a debugger at this point, because I am pretty much certain Graupner enabled the 'protection' bits in the CC2510 chip, to prevent any readout of the firmware.