Further, an optional “call – alert” facility is added to the security system, which will initiate a telephone call when push button switch S2 is activated by the user (or by another electronic module) ...

First, the ATmega48V only has one UART. This is connected to the GPS module at 9600, 8N1. The connection to the GSM M-590 module is only 2400 bps, and slow enough for a bitbanged UART.

First, the ATmega48V only has one UART. This is connected to the GPS module at 9600, 8N1. The connection to the GSM M-590 module is only 2400 bps, and slow enough for a bitbanged UART.

DataLogger DL750 to Include Wireless Connectivity via Telit’s GE865-QUAD GSM/GPRS Module Danlaw DL750 (Photo: Business Wire) Telematics Detroit June 05, 2013 09:00 AM Eastern Daylight Time ...

Intel showed off its plans to jumpstart the wearable gadget industry with a new button-sized module called Curie during a keynote event at the 2015 International CES today.