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Seeed-Studio / GPRS_SIM900

library for GPRS shield with sim900 module.
MIT License
138 stars 96 forks source link

Add USSD Function #5

Closed frdteknikelektro closed 8 years ago

frdteknikelektro commented 8 years ago

USSD Function is usefull for some country

frdteknikelektro commented 8 years ago

Anyone to merge?