129 Results for "amateur radio"

PUZZLE: radio building blocks
Details from PUZZLE: radio building blocks
Any standard HAM radio exam asks for the building blocks of a simple transceiver, plus some details, to some extent.I enjoy theory as much as the next guy, but I'd like to see how that applies in real life:-How does a broadband amplifier behave at different...

Bloodhound: Autonomous Radiolocation Drone
Details from Bloodhound: Autonomous Radiolocation Drone
All original hardware associated with this project is licensed under CERN OHL v1.2.All original firmware/software associated with this project is licensed under LGPLv3. The Problem Emergency Radio BeaconsRadio beacons are used in many sectors to track...

HOBOKEN MAKERBAR
Details from HOBOKEN MAKERBAR
We are a NJ NON-PROFIT (503c Pending) volunteer member driven community hackerspace. Are members skill sets range from Software Front-End/Back-End Developers, Hardware Developers, Woodworking Crafters, Metalworking Maniacs, 3D Modeling/Printing...

Simple TEF6686 Arduino + PC AM-FM Radio Receiver
Details from Simple TEF6686 Arduino + PC AM-FM Radio Receiver
This time I will prtesent you how to make a AM/FM Radio, based on radio module with TEF6686 chip from NXP. This miniature module has amazing possibilities, great sensitivity and selectivity, adjustable de-emphasis and filter. It has...

AMSAT CubeSat Simulator Hack Chat
Details from AMSAT CubeSat Simulator Hack Chat
Alan Johnston will join us for the Hack Chat on Wednesday, December 4 at noon PST. Time zones got you down? Here's a handy time converter! For all the lip service the world's governments pay to "space belonging to the people", they did a pretty...

Chicken Road Labs
Details from Chicken Road Labs
Located in rural Tennessee on more than 40 acres, we are able to enjoy a variety of activities that some city folk and most neighborhood associations would not appreciate. Sometimes we're loud. Sometimes things get dirty.We are a collaborative, event...

Open Source PIC Development Board for Newbies
Details from Open Source PIC Development Board for Newbies
For a long time now I have wanted to learn how to use a microcontroller. Because I am a newbie myself, I figure who better to teach newbies about microcontrollers than a fellow newbie? One thing that impresses me about the Arduino community is the open...

Water Flow Monitor
Details from Water Flow Monitor
Requirements: Well puts out about 3-4 gallons/min max, so sensor needs to work in that rangeSensor wetted parts need to be NSF-rated for potable waterSystem does not need to be weatherproof -- will be mounted indoorsPower draw should be as low as reasonably...

AREDN Under Test
Details from AREDN Under Test
Mesh networks are showing up everywhere. Meshes are used for home WiFi appliances, military tactical deployments, low power sensor networks, commercial data monitoring, and more. Early WiFi mesh hacking started with Linksys WRT54 home...

A Wireless I2C Bridge for Amateur Radio Use
Details from A Wireless I2C Bridge for Amateur Radio Use
The project is ready to enter the implementation phase. The I2C Test Board has been submitted to Oshpark for fabrication.Project Notes:Of the three non-cellular wireless technologies available on current mobile devices (wifi, Bluetooth Classic and Bluetooth...

High Schoolers Build a Radio Receiver
Details from High Schoolers Build a Radio Receiver
We went with just four boards, four subcircuits: Bandpass filter. Mixer. RF Oscillator, Audio Amplifier. Understanding these four circuits allows students to understand almost all RF devices. Circuits were chosen...

psicoff
Details from psicoff
The main idea was to make electronic music in a different and interactive way, using some concepts of ARG (Alternate Reality Game), underground or extraterrestrial elements, elements that surround us daily, however we rarely pay much attention, some...

ESP32 VFO 10 KHz-160 MHz with Retro Analog Scale
Details from ESP32 VFO 10 KHz-160 MHz with Retro Analog Scale
A variable frequency oscillator (VFO) is an oscillator whose frequency can be tuned (i.e., varied) over some range. It is a necessary component in any tunable radio transmitter or receiver, and controls the frequency to which the radio...

Project Boondock Echo
Details from Project Boondock Echo
Boondock Echo Boondock Motivation La Habra Heights is in an area of local peaks and valleys. We service four communities with a local "fire watch." We have a commercial radio license, and many of us are practicing HAMS. The Problem...

High Altitude Balloon Tracker WSPR APRS
Details from High Altitude Balloon Tracker WSPR APRS
Raspberry Pi RP4040 based HF/VHF GPS tracker Concept: this board is intended for educational, STEM and research purposeRP2040 based, same pin assignment as Raspberry Pi Picosupport both WSPR (HF) and APRS (VHF) on Si5351user can modify / extend the functionalities...

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