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and custom USB interfaces
allowing you to record and visualize ECG (electrocardiogram) signals
Address codes: floating
closing the circuit and causing an action to be triggered
It puts the ESP8266 chip
DFRobot SIM808 GSM/GPS/GPRS Shield for Arduino adhesive heatsink and custom USB interfacesExpand Your Project with the GSM GPS GPRS SIM808 Shield DFRobot GSM GPS GPRS SIM808 Shield DFRobot SIM808 Shield combines GSM, GPRS, and GPS functions on one board for location aware and mobile data projects. It is useful for trackers, vehicle systems, remote alerts, SMS control, and data logging where wired internet is not practical. Important: Use the official DFRobot links below for wiring, sample code, downloads, and the latest setup notes for
US$ 220.00
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