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Test & Measurement
Communicate with Your Arduino Through Android
Want to send text to an Arduino with an Android smartphone? Here's how! This article will show how an Arduino (or almost any other microcontroller) can "talk" with your smartphone, sending and receiving text in both directions....
October 16, 2015
Understanding and Implementing the HC-12 Wireless Transceiver Module
The HC-12 is a 100mW multi-channel wireless transceiver you can use in your projects to transmit and receive serial information.
November 02, 2016
Control an Arduino with Bluetooth
This article will show you how to set up two way communication between an Arduino and your Android Smartphone using Bluetooth.
November 26, 2015
How to Flash ESP-01 Firmware to the Improved SDK v2.0.0
Learn about SKD v2.0.0 and how flashing your ESP-01's firmware just got easier.
March 17, 2017
Charles R. Hampton
Make Your Own GPS Transmitter with the HC-12 Transceiver
Create a tracking device with an HC-12 transceiver, a GPS module, an Arduino, and Google Maps.
November 10, 2016
Using a SIM900A to Send Sensor Data to a Website
In this article, I'll show you how I used one of my SIM900A GSM modules to send temperature and relative humidity to my personal website....
February 23, 2017
How to Check and Calibrate a Humidity Sensor
How accurate is your humidity sensor? Find out with this project.
November 29, 2017
How to Eliminate Ground Loops with Signal Isolation
This project explains how to isolate signals to eliminate ground loops in electronic systems.
January 29, 2016
How to Make an Interactive TCP Server with NodeMCU on the ESP8266
Learn how to connect your device with Linux Screen using the built-in Lua interpreter to set up the file system and connect to the network. Then, learn how to automate the scripting process...
July 22, 2015
Make a Web Server with ESP8266
In this project, we first examine how to install an ESP8266 add-on on Arduino IDE and then we make a configurable web server with an ESP8266 and show the simplicity of this process....
July 05, 2017
Mohammad Amin Karami
All About Omnidirectional Wi-Fi Antennas
For a local area network (LAN) to provide good coverage, improved antennas are often a better (and less expensive) option than more access points. Directional antennas are sometimes the better...
December 24, 2015
Charles R. Hampton
House-Monitoring Framework with Arduino and Raspberry Pi: The Paranoid App
Learn how to use a Raspberry Pi and an Arduino to develop a system for monitoring and controlling your home.
June 03, 2016
Introduction to the MQTT Protocol on NodeMCU
MQ Telemetry Transport (MQTT) is a popular low-overhead messaging protocol used by many IoT devices to communicate. This tutorial will show the user how to to set up a basic MQTT network using...
September 15, 2015
How to Add Bluetooth to a Ceiling Fan
How to add BLE capabilities to a wireless ceiling fan by incorporating the nRF51 in the remote control. Part of our series on the nRF51.
September 25, 2015
Transmit Temperature with Raspberry Pi
How to interface a Raspberry Pi to an I2C temperature sensor (TMP102) and then publish the data to a Google sheet and graph.
August 04, 2015
How to Build a Control Circuit with Adjustable Working Time via Wi-Fi
Learn how to build a system that can turn DC loads on and off using a mobile application. You'll also learn how to perform this task via immediate actions or via timers set in advance....
June 15, 2016
How to Make Your Umbrella into a Weather Station with a Particle Photon
Want to get to-the-minute, location-specific weather information delivered right to your own Adafruit IO dashboard? It's time to assemble your very own SmartBrella....
December 13, 2018
Guts of the IoT: Building NodeMCU from Source for the ESP8266
Compile and install NodeMCU on the ESP8266 IoT chip using Linux tools and the ESP Open Source SDK
July 18, 2015
Build an Arduino Multi-Node BLE Humidity and Temperature Sensor Monitor
Use Cypress Solar-Powered BLE Sensors, an Arduino UNO, and an HM10 BLE module to make your own multi-node temperature and humidity monitor and display....
April 28, 2017
BLE using nRF51: Creating a BLE Peripheral
How to create a custom BLE GATT peripheral using the nRF51 by creating a service and characteristics.
September 20, 2015
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