Latest Wireless/RF Technical Articles

Explanation of what a transmission line is, and the conditions under which it exists. Uses lumped element model to derive…

Explanation of what a transmission line is, and the conditions under which it exists. Uses lumped element model to derive differential equations and manipulates the equations to get telegraph equations. Uses solutions to telegraph equations to get characteristic impedance and propagation constant and looks at matched and unmatched load cases.

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.

Learn to use an Arduino to read NFC tags and write information on them! Near field communication protocols are what…

Learn to use an Arduino to read NFC tags and write information on them! Near field communication protocols are what electronic devices can use to communicate and transfer data between each other.

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.

Is IDT’s Tx/Rx wireless power solution suitable for applications that require high-precision analog performance?

Is IDT’s Tx/Rx wireless power solution suitable for applications that require high-precision analog performance?

The ESP8266 combination microcontroller/Wi-Fi modules can now be programmed using the Arduino IDE. Here's how!

The ESP8266 combination microcontroller/Wi-Fi modules can now be programmed using the Arduino IDE. Here's how!

Two evaluation boards from IDT help you to quickly and conveniently integrate wireless power into your designs.

Two evaluation boards from IDT help you to quickly and conveniently integrate wireless power into your designs.

You can buy cheap 433MHz RF modules from Mouser and DigiKey. This article will show you how to use them with a PICAXE…

You can buy cheap 433MHz RF modules from Mouser and DigiKey. This article will show you how to use them with a PICAXE microcontroller to hack your own mousetraps.

This article demonstrates how to use the built-in die temperature sensor on the nRF51. The die temperature is not the…

This article demonstrates how to use the built-in die temperature sensor on the nRF51. The die temperature is not the same as ambient temperature, but can be calibrated to ambient temperature by using a correction factor.

It's never been cheaper to round up a ton of quality hardware for open source projects! Here's what you need to know…

It's never been cheaper to round up a ton of quality hardware for open source projects! Here's what you need to know about the eBay experience.

This article reviews the basics of finding Thevenin and Norton equivalents and discusses how to apply Thevenin's theorem…

This article reviews the basics of finding Thevenin and Norton equivalents and discusses how to apply Thevenin's theorem to a practical circuit.

Use your Android device to open and close your garage door! Much better than that clunky remote you've been using.

Use your Android device to open and close your garage door! Much better than that clunky remote you've been using.

Create a wireless "relative comfort" light bar thermometer by broadcasting temperature data across multiple ESP8266…

Create a wireless "relative comfort" light bar thermometer by broadcasting temperature data across multiple ESP8266 modules running NodeMCU using MQTT.

How to add BLE capabilities to a wireless ceiling fan by incorporating the nRF51 in the remote control. Part of our…

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.

This article demonstrates porting FreeRTOS to the nRF51 with a softdevice so you can use an RTOS with the BLE functionality.

This article demonstrates porting FreeRTOS to the nRF51 with a softdevice so you can use an RTOS with the BLE functionality.

Thread, a network protocol released July 2015, is optimized for the connected home network. It is IPv6 based, uses IEEE…

Thread, a network protocol released July 2015, is optimized for the connected home network. It is IPv6 based, uses IEEE Standard 802.15.4 and runs on existing hardware.

How to create a custom BLE GATT peripheral using the nRF51 by creating a service and characteristics.

How to create a custom BLE GATT peripheral using the nRF51 by creating a service and characteristics.