Built & compared two PLL frequency synthesizers: classic 7493 TTL vs. programmable PIC microcontroller. PCB, simulations, and lab report.
An open-source hacking hardware platform based on the RP2040 with RF, NFC, USB, and SD card ready for pen testing research.
Add an external S-meter on any Icom amateur radio transceiver that has a CI-V control port.
An introduction to the Xilinx direct digital synthesis compiler with simple implementation on the Ultra96 V2.
"If I have seen further, it is by standing on the shoulders of Giants. " - Sir Isaac Newton
When out of cell range, you need a watch that lasts more then 24 hours and can radio for help. Pebble Time with SurvivalStrap is here.
Packet Radio on your Arduino 101 - The Arduino 101 Orientation Visualizer redone with Packet Radio!
The Station Edition series is a compact Lora device with 3W high power PA.
A digital FM receiver with Arduino (including 3W+3W Class-D stereo amplifier).
The way to create a high-precision generator from 100 kHz to 600 MHz based on DDS from Analog Devices - AD9910.
Reverse engineering is so easy a Swiftie can do it
Natural disasters, such as earthquakes, floods, and hurricanes, often cause power and communication failures.
This project can measure AC and DC current and record measured values to Excel file or database.
Connect all my RF 433 Devices messages and convert them to actions like connect to SmartThings.
Take advantage of the Ultra96 by adding your own web applications.
315Mhz jammer with Menu
Check the RF sockets with Blynk app!
Remote Lamp on off control with arduino & xbee shield
Learn to how to build an easy, stable and digitally controllable FM transmitter.
Detection of pedestrian while driving which are not in the line of sight of the driver by the micro-doppler signature generated by movement.
A cybersecurity tool for RF scanning, copying, and replaying signals
This FPV antenna plotter plots the 5.8GHz video coverage of your antenna in distance, based on actual coordinates (of your flying path).
Versatile gate/garage door opener for under $10.
Are you sure that your boss pay you all your work?
