Arduino + SIM800L to Dial phone numbers & LASER Tripwire GSM Alarm project | DigitSpace
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Product used: https://www.digitspace.com/products/wireless-iot/gsm-gprs-2g/sim800l-module-replace-sim900a-gsm-gprs-5v-serial-with-antenna?d624ad09dcc26da7
Hello there and welcome to another SIM800L tutorial, this time is about dialing phone numbers using a simple command then we make a LASER Tripwire GSM Alarm, the alarm will ring your phone whenever someone passes through it, it’s based on SIM800L EVB version, LASER module and a LDR.
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Arduino SIM800L – Dial phone numbers & LASER Tripwire GSM Alarm project [DigitSpace.com]
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