71 Results for "amateur radio"

Cheap satellite transponder
Project by 2FTG
A low cost homebrew transponder styled after the Es'hailSat ham payload. S-band to X-Band
- 233
- 74

Magnetic Loop Antennas for QRP Amateur Radio
Project by Mark Dammer MM0DQM
An ongoing exploration and experiment about the use of small magnetic loop antennas for QRP (low power) Amateur Radio.
- 1.2k
- 25

Satellite Antenna Rotator Mechanical System
Project by Bharbour
This is the Satellite Antenna Rotator mechanical system for my step motor driver board project.
- 11.2k
- 18

Project Boondock Echo
Project by Mark J Hughes
Remote Radio Message Recording, Queueing, and Transmission (for Normal and Emergency Communications)
- 58
- 54

TrillSat
Project by Lee Djavaherian
Texting Without Cell Towers, Power Grid, or the Internet: IoT meets AX.25 Aboard an Arboreal Space Elevator
- 66
- 49

Minamil 3dp: another minimal CNC mill
Project by Paul McClay
A very compact, very inexpensive, very DIYable, very precise little CNC mill. This one uses 3d printed parts.
- 49
- 35

OSUG: Open-Source Underwater Glider
Project by alexw
A versatile autonomous environmental drone using a buoyancy engine
- 5.7k
- 788

35mm Flim Negative Scanning
Project by Stephen Holdaway
Rig and technique for digitizing 35mm film negatives.
- 40
- 46

The Digital Ham Hack Chat
Details from The Digital Ham Hack Chat
Rosy Schechter and John Hays will host the Hack Chat on Wednesday, July 13 at noon Pacific. Time zones got you down? Try our handy time zone converter. For most of its existence, amateur radio has been the quintessence of the analog arts. From the very...

HamShield: VHF/UHF transceiver for Arduino
Details from HamShield: VHF/UHF transceiver for Arduino
HamShield is a FM voice and data transceiver Arduino shield for three amateur radio bands (144MHz, 220MHz, and 440MHz) with wideband transcieving capability across 136-170MHz, 200-260MHz, 400-520MHz. It connects the FM transceiver to the ADC and PWM...

100mW 70cm BeeLine GPS
Log from Amateur Rockets
Hello, there! As Keeley previously mentioned, I am going to be posting about the KickBox we received in late January. Using our KickBox money, we purchased BigRedBee's 100mW 70cm BeeLine GPS to help us with tracking our full scale rocket during its flight....

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...

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...

Tampa Hackerspace
Details from Tampa Hackerspace
Tampa Hackerspace is a non-profit, membership-driven workshop. If you like making stuff, we’re the place for you. We provide equipment, classes, and mentoring for many types of projects. Some of the projects our members work on: aquaponics,...

A CubeSat Comm. Design for In-Space Assembly
Details from A CubeSat Comm. Design for In-Space Assembly
The CubeSat-class Spacecraft hardware has volume, mass, and power limitations more extreme than in other satellites. In fact, the CubeSat-class spacecraft is a Cube with dimensions 10cm x 10cm x 10cm, mass one kilogram maximum and the available power...

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