For Stalker v2.3 , it is not necessary to do that . Just directly pulg your GPRS Shield into Stalker v2.3. But please not that GPRS Shield can only operate with 5V I/O port, but Stalker work with 3.3V I/O port while it powered by lithium battery .
For Stalker v2.3 , it is not necessary to do that . Just directly pulg your GPRS Shield into Stalker v2.3. But please not that GPRS Shield can only operate with 5V I/O port, but Stalker work with 3.3V I/O port while it powered by lithium battery .