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GPRS GSM GPS Shield based on the SIM808 GSM GPRS GPS all-in-one cellular phone module
2% Accuracy Over Temperature
and can handle over 100
the TCS34725
The mouse sensor returns the average movement (in the x and y directions) of surface features that it sees
Voltage Alert (AC) 9250 GPRS GSM GPS Shield basedIntroduction : Voltage Alert Detector Tester 90 1000V is only used to judge whether the conductor is live or not. Ideal for testing AC cables, circuit breakers, wall sockets, junction boxes, fuses, etc. All outer surfaces are non conductive for safety, touch the wire with the pen tip. If the red indicator lights up, it means voltage exist. Detects voltage without metallic contact. This voltage detector is designed for electrical testing. Compact,
US$ 192.00
US$ 192.00
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