DSG-22.6 GHz : Low-cost open-source RF signal generator to 22.6 GHz, with excellent harmonic suppression, USB power & touch screen.
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
This simple circuit will detect the presence of VHF / UHF frequency radiation.
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.
My project is a library for E32 LoRa (Long Range) device very cheap and long range (from 3Km to 8Km), to simplify usage and conf.
Packet Radio on your Arduino 101 - The Arduino 101 Orientation Visualizer redone with Packet Radio!
A low-cost alternative to the available time-code broadcasting systems
Wireless control of your planet-destroying uber-weapon. No fatal flaws that can be exploited by rebel forces in this one!
What is a Survey Rover? A Survey Rover is survey tool for measuring point-to-point distance using a remotely operated rover.
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).
This project walks through how to get started with the RTL-SDR on Mac OS 14
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
DDS (Direct Digital Synthesis) Analog Devices AD9959 4-Synchronized Channels DDS Arduino Shield for Arduino MEGA 2560
A modular orientation and acceleration data logger using a pair of ultrasonic sensors, RF transceivers, and a 1Sheeld.
The RE-Mote revision A has 2 radios: 2.4GHz and 868/915MHz, learn how to enable both at the same time
Natural disasters, such as earthquakes, floods, and hurricanes, often cause power and communication failures.
We are going to test EByte E32-TTL-100 with my library. It is a wireless transceiver module, operates at 410 441 MHz (or 868MHz or 915MHz).
