Magicblocks.io - IoT | MQTT

Name: Magicblocks.io - IoT | MQTT
Author: Thingsnode

Android app by Thingsnode. Education · Thingsnode

Store rating: Unknown
Store rating count: Unknown
Download price: Free to download
In-app purchases: Not listed in captured metadata
Version: 1.3
Listing last refreshed: 2026-09-18

Store description excerpt

This app is used to send sensor values obtained from the sensors in your phone to a specific MQTT client. It is important to note that although there are many sensors in the app there should be specific sensors in your phone. The type of sensors in your phone varies from the brand and version of your phone. It is important to first identify the sensors inbuilt in your phone first. Getting Started To get started go to the app and click settings (Upper Left hand corner). Enter the necessary details in the given spaces. If you want to publish data to a specific MQTT broker enter the hostname and the port of it. It is also important to specify the publish and subscribe topic. There are also other options that you can try out according to your needs. When operating this app the phone should have a stable internet connection at all times. Sensors QR/Bar Code Scanner Scans a QR code with your camera and send the data. It is important to give the app access to your camera The format the data is sent- {"qr":{"format":"QR_CODE","content":""}} Accelerometer An accelerometer is an electromechanical sensor used to measure acceleration forces. Units – X-axis ,Y-axis, Z-axis values measured in m/s2 The format the data is sent- {"accelerometer":{"x":"2.84","y":"0.44","z":"10.02"}} Gyroscope Gyro sensors, also known as angular rate sensors or angular velocity sensors, are devices that sense angular velocity. Units – X-axis ,Y-axis, Z-axis values measured in rad/s The format the data is sent- {"gyroscope":{"x":"0.0","y":"0.0","z":"0.0"}} Proximity Sensor A proximity sensor is a non-contact sensor that detects the presence of an object (often referred to as the “target”) when the target enters the sensor's field. Units – distance measured in cm The format the data is sent- {"proximity":{"x":"5.0"}} Light This sensor gives the brightness of the area Units in lx The format the data is sent- {{"light":{"illuminance":"7.0"}} Temperature Provides the temperature in the room. Units in celcius The format the data is sent- {"temperature":{"temperature":"7.0"}} Pressure Measures the room pressure Units in hPa The format the data is sent- {"pressure":{"pressure":"1009.56"}} Location Give access to the app to access location. It gives the latitude and longitude location of the device in degrees and also the altitude of the current location in meters The format the data is sent- {"gps":{"alt":"0.0","lon":"80.06","lat":"6.72"}} Settings Go to settings on the top right corner. These are the settings that you should change to make your custom application. There are some required fields as well as optional fields that you should fill to get the app working. Hostname – You should enter the name of your broker in this field. There are some free MQTT brokers we recommend you to use. They are, broker.hivemq.com mqtt.eclipse.org This is a required field. Port- This is also a required field. It is best practice for you to leave the port default (1883) Username- This

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