5.1k

2.9k

6

23

Building on my RPi Telegraph project, the Arduino Teletype translates characters to baudot code and drives a teletype.

2.6k

48

2

12

The 19th century texting device meets the 21st century

222.3k

2.6k

200

1.2k

Fully stand-alone HF (Shortwave) Software Defined Transceiver & Vector Network Analyzer. Designed for rugged portable use. Highly hackable.

73.8k

787

16

372

A basic radar system makes radar accessible at low cost for experiments with rangefinding & navigation of autonomous aircraft or spacecraft.

67.5k

2.7k

190

1.5k

Use the team chat to talk about your projects and find collaborators for whatever you are working on.

62.5k

670

23

432

open hardware interactive midair screen

61.9k

4.7k

16

221

A Raspberry Pi based Astrophotography System

58.5k

1.2k

23

510

High Altitude Balloon payload capable of streaming live pictures, gps coordinates, and data telemetry.

25.6k

4.2k

11

199

An agile radio designed for low power and narrow bandwidths over a wide frequency range.

6.2k

319

21

42

A solar powered autonomous submarine that explores and measures the ocean at night, and posts the results to Twitter and Facebook by day.