This is a pre-order for the Quansheng UV-K5 radio directly from the factory with modifications for H.F bands and updated firmware. The radio also includes an antenna inductor change and audio quality fix.
The Quansheng UV-K5 is a new handheld radio on the market that offers exciting hacks and mods for amateur radio enthusiasts. This pre-modified version comes with a replacement SI4732 chip, firmware change, antenna inductor change, and a fix to increase audio quality.
- New apps and asset packs added, including BT Trigger, EM4100 Generator, and GPIO Controller
- Updates to Infrared, NFC, SubGhz, and UL features and functionalities
- Fixes for various issues, including NFC-V dumps crashing and MyKey production date parsing
- Removal of certain apps, such as Brainfuck and Mandelbrot Set
- Known issues with refactored stack regressions in NFC, including broken apps and missing extra actions
First time programming still needs a hardware connection to be made between P1.5 and GND, but after that holding the 1st key while connecting USB lands you in the bootloader!
If your board is never used with ch55xduino before, you need to make the ch55x chip enter bootloader mode. You need to disconnect USB and unpower ch55x, connect the pull-up resistor on D+ line (generally a 10K resistor between D+ and 5V, controlled by a push-button or adjacent pads). Then you connect USB. and hit Upload. Also, a blank new chip will enter the bootloader automatically.
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