GSM/GPRS module ( SIM900) original 74HC139 (Dual 2 to 4 Line Decoder) and Left-Right (Word Select) Clock

and Left-Right (Word Select) Clock

1x 10 pin ISP cable

this Carbon Dioxide (CO2) sensor probe allows the measurement of dissolved carbon dioxide directly in the water and soil

The USB interface is achieved by using an atmega8 processor and the rest is done in firmware

COLOR : BLACK

GSM/GPRS module ( SIM900) original 74HC139 (Dual 2 to 4 Line Decoder) and Left-Right (Word Select) ClockISM900 is an ultra compact and reliable wireless module. This is a complete Quad band GSM GPRS module in a SMT type and designed with a very powerful single chip processor integrating AMR926EJ S core, allowing you to benefit from small dimensions and cost effective solutions. Featuring an industry standard interface, the SIM900 delivers GSM GPRS 850 900 1800 1900MHz performance for voice, SMS, Data, and Fax in a small form factor and with low power