GSM РЕЛЕ\СИГНАЛИЗАЦИЯ. СВОИМИ РУКАМИ за 10 минут.

GSM ALARM SYSTEM and more in 10 minutes. SIM800L GSM modem and its applications. A couple of useful DIY designs. The printed circuit board was manufactured free of charge by PCBWay. 00:00 Introduction. 00:43 Simple GSM alarm circuit. 01:11 Alarm operation test. 01:37 STM32 firmware via UART. 02:58 Phone number binding. 03:51 If it doesn't work. 04:22 DIY GSM relay. 05:06 DTMF command control board. 06:07 Testing the homemade board. 06:34 How does phone number binding work? 07:27 STM32 writing a number to flash memory. 08:44 Modem setup procedure. 09:18 Operation of GSM alarm code sections. 09:41 Parsing the GSM relay code. 10:21 Managing DTMF commands. The author does not receive income from advertising!!! Creating videos is purely a hobby and in my free time. If you'd like to help develop the channel, you can donate any amount to this card number: Priorbank card 4916 9896 9577 0361 Thank you. I wish everyone success. A mandatory requirement is that the power supply be no higher than 5 volts, and the source must be at least 2 A!!! Those who know their stuff can eliminate the diode from the circuit and install a small DC-DC to power the SIM800l. Then you can power it with a regular 2A "5V" phone charger. Not every charger handles exactly 5 volts; 5.15 V is too high to power the SIM800l through the diode, and the modem may complain. Alternatively, install a 5 volt, 2 A DC-DC to power the STM32 and the modem. This one is good for a modem: http://alii.pub/64e0g3 This one is stronger: http://alii.pub/64e0kk is suitable for both the modem and the general 5V power supply. I'm not forcing you to buy from my link!!! The controller should be an stm32f103c8t6; pay attention when buying and read the reviews!!! Details: Microcontroller board: stm32f103c8t6 http://ali.pub/2silgs Another one, don't confuse it: stm32f103c8t6 http://alii.pub/64cmwg GSM modem: SIM800L with remote antenna http://alii.pub/640kkz UART/TTL adapter http://alii.pub/640kb9 Door sensor: http://alii.pub/640key Relay: 3.3V http://alii.pub/640ktq Links: For self-guided practice!!! Microcontroller firmware program https://drive.google.com/file/d/1DqHj... GSM alarm firmware https://drive.google.com/file/d/1xs7f... GSM relay firmware https://drive.google.com/file/d/13dzE... You don't need this!!! GSM alarm source code https://drive.google.com/file/d/1qXSQ... GSM relay source code https://drive.google.com/file/d/1ewT4... DTMF source code https://drive.google.com/file/d/19Z8k... Large STM32 SIM800L relay control board https://www.pcbway.com/project/sharep... #electrohobby #stm32 #sim800l