Hi,
here the schema.
all the components are on it, but I don't know if the electrical part is
right.
Any comments/advices are welcome.
schema :
https://gsm.tsaitgaist.info/SIMtrace/v0.6/SIMtrace.ps
source (KiCAD) :
https://gsm.tsaitgaist.info/SIMtrace/v0.6/