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oelprinz-org / BlitzboxBL49sp

blitzBOX - low-cost and mini-sized ECU for speeduino firmware (45 x 58 mm)
https://github.com/oelprinz-org/BlitzboxBL49sp
GNU General Public License v3.0
32 stars 12 forks source link

Capacitor C29 too large in V0.0.6 #1

Closed chaoschris closed 3 years ago

chaoschris commented 3 years ago

Capacitor C29 has been chosen too large in V0.0.6 (100nF). For this reason ISP will not work on the Atmega2560. ISP on Atmega328P is working fine with this value. Will be replaced with 18 pF in next version.

chaoschris commented 3 years ago

Fixed in V0.0.7

chaoschris commented 3 years ago

Can be fixed in V0.0.6 with a smaller capacitor like 18 pF or simply remove C29