Search Results for : antenna

Jatinder has tipped us with this latest post. He writes:  I have a done a video about a contactless payment (NFC) ring that I have made. The video talks about NFC antenna coil design and how I used the concepts to make the wearable ring. Contactless payment ring – A tutorial on...

Horacio Bouzas published a 4 way WiFi antenna switch: I started playing with electronics back when I was 10 years old in Argentina, where I grew up. Then I got my ham radio operator license when I was 16 years old and I was very active in the ham club and on the air. It was then when...

I started playing with electronics back when I was 10 years old in Argentina, where I grew up. Then I got my ham radio operator license when I was 16 years old and I was very active in the ham club and on the air. It was then when I built my first vacuum tube transmitter and refurbished...

This is a no frills DIY Analyzer intended for frequencies ranging from 1.6 to 30 Mhz. This simple Antenna Analyzer could be a nice project for anyone just getting started in setting up a station on the HF bands. Arduino DDS AD9850 Antenna Analyzer -...

Introduction Electromagnetism is a branch of physics and engineering that includes the study of electric and magnetic fields and their interactions. Electricity and magnetism are two aspects of electromagnetism. This concept describes how electric currents create magnetic fields and how...

RF-star, a leading manufacturer of wireless modules and provider of wireless connectivity solutions, proudly announces the expansion of its Bluetooth module lineup tailored specifically for automotive applications. The latest BLE modules include the RF-BM-2642QB1I and RF-BM-2340QB1,...

Waveshare ESP32-S3-Tiny Board is an ESP32-S3-powered development board in a 23.50 x 18 mm from factor. What makes this board different from the Waveshare RP2040-Tiny is that it features 34 multi-function GPIO pins compared to 23 found on the RP2040-Tiny board. On the board, you have an...

Arduino Pro has introduced a groundbreaking solution for IoT development with the launch of 4G global connectivity for its Portenta board, now available in a compact Mini-PCIe form factor. This innovation enables developers to swiftly create IoT devices with seamless global 4G cellular...