How to send sms using computer
ESP32 SIM800L: Send Text Messages (SMS Alert) with Sensor Readings
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Send Bulk SMS on the go Ц now you can send bulk SMS from any mobile device, whether using your cell phone, tablet, MAC or [ ] READ MORE. Email to SMS. Send E-mail to SMS from Gmail or any E-mail Client With WinSMS it is quick and easy to send SMS messages from e-mail without having to install any software. All you need to do is register an. In this example, weТll use a DS18B20 temperature sensor, and weТll send a text message when the temperature is above 28?likedatingall.com the temperature has decreased below the threshold, weТll send another SMS alert. To send an SMS with the T-Call ESP32 SIML module, you just need to use likedatingall.comS(SMS_TARGET, smsMessage) after initializing a modem object for the SIML module (using . At the bottom of the page, click Send. Tip: To add individual recipients and groups of contacts you created with labels, click To. Send messages with confidential mode. Note: If you're using Gmail with a work or school account, contact your admin to make sure you can use confidential mode. On your computer, go to Gmail. Click Compose.
You can modify this project for your specific case. For example, you may want to put the ESP32 in deep sleep mode and send an SMS every hour with the current temperature readings, etc. The Library Manager should open. Search for TinyGSM. You can use the preceding links or go directly to MakerAdvisor. Copy the following code to your Arduino IDE. View raw code. Then, add the phone number you want to send the SMS to. Initialize a serial communication to interact with the Serial Monitor and another to interact with the SIML module.
Finally, press the upload button to upload the code to your board. By default, the temperature is in Celsius degrees, but you can uncomment the following lines to use the temperature in Fahrenheit degrees. Then, you should also adjust the threshold value to match your temperature units. As you can see, to send a text message, you use the sendSMS method on the modem object.
You just need to pass as arguments, the phone number you want to send the SMS to, and the message content. After sending the message, set the smsSent variable to true to avoid multiple SMS alerts for the same threshold reached. This time, set the smsSent variable to false , so that we stop receiving messages below the threshold.
You can also open the Serial Monitor at a baud rate of to see the current sensor readings. If I put my finger on top of the sensor, the temperature will start increasing.
Now, you can use this project in a real application and leave it sending SMS notifications when the threshold value is reached or send SMS with sensor readings every hour, for example. To make this project battery powered, I recommend using deep sleep mode and wake up the ESP32 every hour to check the current temperature, because if you use the code in this project it will drain your battery quickly. Arduino Step-by-Step Projects ї Build 25 Arduino projects with our course, even with no prior experience!
First of all, I would like to thank you for the excellent article, very well written and easy to understand. I would just like to make a small caveat, as far as I could tell, there is a logical bug in this code:. In the line above, if the first temperature reading is less than the limit, the smsSent flag will be set to false and the code will never send the sms, in which case it does not match the tested sentence that expects the true value in this respective variable. The code is working properly, because the other line will only run if smsSent variable is set to false:.
As it is written, if the equipment is turned on and soon the first reading is below the limit, it will never send SMS. It will only send an SMS below the limit, if it has been above the threshold at least once. I hope this clarifies. Regards, Sara. Just pissed money against the wall buying a unit Ч- is the rest of rest of the world still using GSM2????? Australia is starting 5G with last 2G turned off in Ч lots of marketing of the sim with no warnings. Hi John. We have a big red note at the beginning of the post warning that this module only works on 2G networks.
There are other 3G and 4G modules that should work similarly and the code should be compatible with a few modifications. Los felicito, no solo por este tutorial sino por todos que son verdaderamente excelente. Muchas gracias. Hello Using 2G networks is like going back to the past with a baud modem. I wonder: Would it have been better to use 3G? And without offending for this very well crafted work. The tinyGSM library is compatible, you just need to make a few modifications to the pin assignment.
Thank you for your comment. Thanks for the nice tutorial. The only problem I have is that the code is not compiling as the SoftwareSerial is missing. Hi Andreas. What version of Arduino IDE are you using? So no plans to include them in tge near future? Hi Salah. I have a nano 2G sim card 3. I tried powering the board with 5V and 2A current 4.
The modem is found by the sketch and I was able to display the modem info. Still that change didnt help. I also tried replacing the antenna with the one that came with this board but not helping either.
By the way, I am able to send sms when placing this sim in my smart phone. Also, while I was trying the code out, the sms was sent from the board twice but never again!!! Hi, Thank you for the Interesting Tutorial as always.
I have a question to ask about the power consumption of the T-Call. I will be very glad if you can help run some tests on how much current the system draws when the Sim is switched on and off. I am just ordering two of the boards and would love to know these figures from people that already have it. Hi Taiwo. Regards Diederik. Hi, I must say a big thank you for the excellent tutorial. I wish to ask a question.
Sir,thanks for this tutorial. I have a question. What do I have to change in this code? Please help me. I tried so many things. Hello, first of all i want to give thanks for this wonderful tutorial. Hi is it possible to request sensor data through sms, using the same board and sensor?
Im struggling to make a code to do this. It is possible. Without further information, it is very difficult to find out what might be wrong. Any chance you have the combined sketch of sensor threshold AND deep sleep?! I can get one, or the other to work, but its beyond me;. Notify me of follow-up comments by email. Notify me of new posts by email. Recommended Resources. What to Read NextЕ. Enjoyed this project? Stay updated by subscribing our weekly newsletter!
Regards, Sara Reply. Hola Eduardo. Muchas gracias! How could you read incoming sms in this board? Hello Sara, Thanks for the nice tutorial. Can you help with that? Thank you, Andreas Ч Greece Reply. Dear, will you have a section on the ESP32 course explaining how to use this for making phone calls and answering phone calls and connecting it to MIC and Speaker?
Those subjects are NOT included in the course. Here is what I have: 1. Can you please help???? Excellent, thanks so much! Made and worked 1st time. Regards Diederik Reply. Im struggling to make a code to do this Reply. I can get one, or the other to work, but its beyond me; Reply. Download our Free eBooks and Resources.
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