The minimum set of components for GSM functionality and external 3.4V 2A power supply is given below:
Image Position Manufacturer part number/Digikey part number Comments Unit price,USD Qty Extended price,USD CONN1 AWHW14G-0202-T-RHRP14H-ND CONN HEADER LOW-PRO 14POS GOLD 0.97 1 0.97 U1 Search on ebay.com,alibaba.com SIM900D GSM module 27 1 27 CONN4 CONSMA002CONSMA002-ND CONNECTOR FEMALE R/A […]
