CNX Software

Add a tiny desktop monitor to your PC with the ESP32 Desktop Monitor project

D0WD, a low-cost alternative to LilyGo T-Display, lets you mirror your desktop monitor over Wi-Fi with an ESP32 ...
IEEE

Highly Integrated and Tunable RF Front Ends for Reconfigurable Multiband Transceivers: A Tutorial

Abstract: Architectural and circuit techniques to integrate the RF front end passive components, namely the SAW filters and duplexers that are traditionally implemented off chip, are presented.
GitHub

Serial Port Communication tutorial using Java and Arduino (ATmega328P)

In this tutorial we will learn how to program serial port of a windows PC using Java programming language. The PC will communicate with an Arduino connected to the USB virtual Serial port of the PC ...
GitHub

An arduino library to emulate the UM3750 encoder/decoder and transmit or receive fixed 12 bit codes over the 315/433MHz bandwidth.

The UM3750 chip and clones were used in many applications, ranging from alarm systems and automated gates to smart sockets. These microchips generate only a baseband output waveform: the actual ...
IEEE

A Passive Mixer-First Receiver With Digitally Controlled and Widely Tunable RF Interface

Abstract: A software-defined radio (SDR) receiver with baseband programmable RF bandpass filter (BPF) and complex impedance match is presented. The passive mixer-first architecture used here allows ...