ChisFlash V1.0 Open Source GBA Flashcart

Introduction:
ChisFlash V1.0 (Prometheus) uses 256Mbit Flash and 1Mbit FRAM, compatible with 99% of GBA games, and supports NDS and GBcartRW burning.
Important Notes:
The PCB thickness should be 0.8mm.
Currently in beta testing, firmware can be obtained from the QQ group. After beta testing, the firmware code will be open-sourced on GitHub.
Learn more about
the GitHub project address, which will include firmware source code and GBA cartridge principle analysis (to be uploaded): https://github.com/ChisBread/ChisFlash. Join
the QQ group (771688226)
for project progress, tutorials, material pitfalls, black gold PCB material card group buying (voluntary group buying, non-profit), and finished product exchange and demonstration.
 
Finished Product Demonstration
Video
: [ChisFlash] Can you use 2u immersion gold PCBs within a budget of 30 yuan? The first wave of DIY all-in-one GBA flashcarts has already departed - Bilibili】 https://b23.tv/K90WHhc
Image
thanks to
@laqieer's opencartgba project https://github.com/laqieer/opencartgba
@mori for the excellent layout
@白橙's silkscreen design
and all the players who selflessly contributed to the GBA, let's preserve our childhood memories forever on the internet!