Arduino pro Mini 328
3.3v
SIM808 Module GSM GPS GPRS module small
1 × 149 SAR
piezo electric
1 × 15 SAR Subtotal: 164 SAR
SIM808 Module GSM GPS GPRS module small
1 × 149 SAR
piezo electric
1 × 15 SAR Subtotal: 164 SAR
3.3v
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All Electronics Components
AC/DC ESP-12F WIFI development board with single-channel relay module ESP8266
All Electronics Components
All Electronics Components
All Electronics Components
All Electronics Components
All Electronics Components
All Electronics Components