It can be used to get all received messages, all unread messages or all read messages.This version adds the SendLimit functionality to the SMPP Gateway and has a number of other small improvements and bug fixes.
This new version contains a number of small improvements and bug fixes for the SMPP Connector. And the idea is that Im going to ask the Arduino via SMS to send me either the DHT values or the MLX values via SMS too, the project is relatively easy, the tricky part was to detect a substring withing the SMS content to be able to decide wheter the user asks for DHT values or MLX values. Sim800L Delete All Sms Code Otherwise UseHALT The Sim card used shouldnt be locked with a pin code otherwise use the AT commands to do it, and make sure you have enough credit to be able to send SMS. This is the module Im using: SIM800L EVB version Module pinout And as said before the module works with AT commands, we saw some of them on the previous tutorials. And for the power Im using A Lithium Battery with A Buck converter: Buck-Boost used as Buck Test 1 So the test 1 consist of just reading a SMS sent from the phone, and display it on the serial monitor. Wiring The wiring 1 can be found below, its the basic wiring of the module, its practical for all kind of tests. Libraries No special libraries are required here just the default SoftwareSerial. The code is really easy first in the Setup() we just send some AT commands to make the module on the receiving text mode and set the way those SMS received should be handled. And on the loop there is a classic communication function that permits the communication between the Arduino IDE Serial Monitor and Sim800L sendreceive between them The functions used can be found in the code, but if you want to check them closely heres the document: Result Sending SMS from phone (click to expand) SMS is shown on the serial monitor (click to expand) Test 2 On the test2 we will add DHT11 sensor and MLX90614 contactless thermal sensor. I used these two just as an example you can use whatever you want. ![]() So in this code we: Set the module to receiving SMS mode Set the way to handle the SMS If something is received - Transmit to Arduino Arduino will check for the Keywords (DHT or MLX) If one of them is found - check which one Make the reading Send the Data to the programmed phone number Result The use of the serial monitor is optional, the device can work without it, here used just to troubleshoot in case of a problem or to check the state. Sent DHT SMS and received the values of DHT11 (click to expand) Same for MLX (click to expand) The method we used is just to look for a specified keyword within the message, doesnt care whats being sent with it Go further You can improve the way to detect the keywords in the SMS sent, it will be useful to do other projects that will be more interesting. You can do multiple readings before sending the SMS to be more precise. Check the code and if you have a better method for this share it with us, Thanks. Thats all folks. Code Code1SIM800LSetSMSmodecheckSMS.ino Code2SIM800LRequestData.ino Code1SIM800LSetSMSmodecheckSMS.ino Arduino With comments to help you. This code works with SIM800L Evb version, it sets the module on receiving SMS mode. I did a lot of tests and maybe at the beginning the RSMS string kept concating and MLX word was kept there. Sim800L Delete All Sms How To Set UpAuthor SurtrTech 20 projects 103 followers Follow Published on January 18, 2020 Respect project Write a comment Share Members who respect this project and 2 others See similar projects you might like Table of contents SIM800L - Request sensor values to be sent via SMS to you Components and supplies Apps and online services About this project Test 1 Wiring Libraries Code Result Test 2 Wiring Libraries Code Result Go further Code Schematics Comments (3) Respect project Write a comment Share Similar projects you might like This project will show how to set up a 16 x 2 LCD screen and display multiple sensor values. Using the YL-39 YL-69 Soil Humidity Sensor with Arduino Project tutorial by Sorin Trimbitas 33,350 views 6 comments 20 respects In this tutorial, we will learn how to detect Smoke and inflammable gases using an MQ-2 sensor. Smoke Detection using MQ-2 Gas Sensor by Aritro Mukherjee 322,751 views 54 comments 204 respects Arduino how to - using BME280 (temp, hum and press sensor) I2C breakout from itbrainpower.net and Arduino 3.3V or 5V shields. Sim800L Delete All Sms How To By DragosArduino BME280 Sensor How To by Dragos Iosub 1,554 views 0 comments 2 respects Take readings from the DHT11 TemperatureHumidity sensor and see them from the Arduino IDE Serial Monitor. DHT11 TemperatureHumidity Sensor Project tutorial by Zachary Haslam 58,849 views 5 comments 61 respects Arduino learned how to tell the temperature Temperature sensor Project tutorial by Grant 26,342 views 6 comments 44 respects Powered by Good to see you again Keep me signed in on this device Forgot your password Or connect with your social account: Login with Arduino New here Create an account Add project Sign up Login.
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