This article will give you the building blocks needed to create your own two-channel wireless remote controller.
This article will give you the building blocks needed to create your own two-channel wireless remote controller.
This technical brief describes channel-length modulation and how it affects MOSFET current–voltage characteristics.
This technical brief describes channel-length modulation and how it affects MOSFET current–voltage characteristics.
In this article, we are going to learn some basics about RFID technology and use an Arduino MEGA to a play around with a…
In this article, we are going to learn some basics about RFID technology and use an Arduino MEGA to a play around with a popular RFID module, the ID12LA.
Harvesting energy from non-conventional sources has received an increased interest as designers look for alternative…
Harvesting energy from non-conventional sources has received an increased interest as designers look for alternative power sources. Even though the power is usually harvested in small amounts, it is adequate for various low-power applications.
Learn how to build a system that can turn DC loads on and off using a mobile application. You'll also learn how to…
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.
Combine the Si4844-A10 analog-tuned radio receiver with an Arduino to make a full-featured multiband radio.
Combine the Si4844-A10 analog-tuned radio receiver with an Arduino to make a full-featured multiband radio.
This article covers everything you need to know to generate pulse-width-modulated signals with Atmel’s SAM4S Xplained…
This article covers everything you need to know to generate pulse-width-modulated signals with Atmel’s SAM4S Xplained Pro development board.
If your microcontroller doesn’t have a digital-to-analog converter, you can make a passable replacement with nothing…
If your microcontroller doesn’t have a digital-to-analog converter, you can make a passable replacement with nothing more than a pulse-width-modulated signal and a low-pass filter.
In this article I'll show you one way of sending an SMS using a PIC 16F628A and a SIMCOM SIM900A module.
In this article I'll show you one way of sending an SMS using a PIC 16F628A and a SIMCOM SIM900A module.
SIMCOM's SIM 900A in Europe? Read on to learn how.
SIMCOM's SIM 900A in Europe? Read on to learn how.
The Particle Photon is a powerful little board with the ability to easily connect objects to the internet. This series of…
The Particle Photon is a powerful little board with the ability to easily connect objects to the internet. This series of articles will be enough to get you up and running with the Particle Photon.
A PCB for a Wi-Fi communicator using a PICAXE 08M2 and an ESP-01 module driven by interactive code makes a handy setup…
A PCB for a Wi-Fi communicator using a PICAXE 08M2 and an ESP-01 module driven by interactive code makes a handy setup for data collection and IoT reporting.
Got some time and need a wireless thermometer? In this article I'll show you how to make such a thing with a few PICAXEs.
Got some time and need a wireless thermometer? In this article I'll show you how to make such a thing with a few PICAXEs.
Getting more familiar with a PIC MCU is a matter of working more often with it. Learn how to make a wireless thermometer…
Getting more familiar with a PIC MCU is a matter of working more often with it. Learn how to make a wireless thermometer with a PIC microcontroller.
This article will show you how to set up two way communication between an Arduino and your Android Smartphone using Bluetooth.
This article will show you how to set up two way communication between an Arduino and your Android Smartphone using Bluetooth.
Direct Digital Synthesis is used to generate precise analog waveforms that can quickly change frequencies. It's used in…
Direct Digital Synthesis is used to generate precise analog waveforms that can quickly change frequencies. It's used in test equipment, spread spectrum techniques and to enable frequency sweeps.
This handy introduction teaches you all about the RFM69HW transceiver module using two circuits running a wireless…
This handy introduction teaches you all about the RFM69HW transceiver module using two circuits running a wireless version of the "blinky" code.
Learn how to use a 433MHz RF module with an ATMega 328P-PU. In this article, we'll make a circuit with a DHT11 sensor and…
Learn how to use a 433MHz RF module with an ATMega 328P-PU. In this article, we'll make a circuit with a DHT11 sensor and a RF transmitter. We'll also make a receiving circuit with a 433MHz RF receiver and an LCD display.
Updating the firmware in an ESP8266 Wi-Fi module can be frustrating! Here's a procedure to reduce the pain.
Updating the firmware in an ESP8266 Wi-Fi module can be frustrating! Here's a procedure to reduce the pain.
Use a laser and a photo resistor to build a laser based point-to-point communication system. The best part? It's under $10.
Use a laser and a photo resistor to build a laser based point-to-point communication system. The best part? It's under $10.