Turn your Arduino into a Powerful Radio Transceiver
What is it?
HamShield lets your Arduino talk to far away people and things using powerful amateur radio bands! Best of all, the hardware and software is open source! Launched on Kickstarter and avail…
HamShield lets your Arduino talk to far away people and things using powerful amateur radio bands! Best of all, the hardware and software is open source! Launched on Kickstarter and available today! Voice and packet radio data are supported in our library.
This is the HamShield only. No power connector or antenna is provided.
This uses a standard SMA antenna, which some of our users may already have. Since this is an amateur radio kit, soldering of the SMA antenna and headers are required (but we promise it's easy!).
If you are looking to purchase a great antenna for the HamShield, we suggest the SMA Male variant of the Smiley TRI-BAND, purchased directly from Smiley Antenna.
Specifications
New version 1.0 has improved, with a simplified amplifier as well as various bug fixes! New version 1.0 is compatible with HamShield 0.9.
Form Factor: Arduino-compatible stackable shield
Arduino Pins: I2C; GPIO, PWM and ADC
Frequency RX/TX: 134-174MHz, 200-260MHz, 400-520MHz
Amateur Radio Bands: 2 Meter, 1.25 Meter, 70 Centimeter
Power Output: 0.5W
Radio SoC: Auctus AT1846S (Most recent model of the RDA1846)
Channel Bandwidth: Selectable between 12.5KHz and 25KHz
Sub audio Modes: CTCSS, CDCSS (transmit/receive independent)
Advanced Features: Volume, Squelch, VOX, DTMF encode, DTMF decode, tail noise elimination, tone generator, tone detector, RSSI
Pre-Emphasis: Can be disabled to assist with digital modes
Audio Connection: Hardware selectable between TRRS (mobile phone style headset) and Arduino PWM/ADC inputs and outputs, PWM/ADC smoothing filters built-in
Input Voltage Range: 5-20VDC, 4xAA, 7.4 volt lithium battery pack, power adapter capable (requires external power supply as Arduino's USB does not supply enough power for shield) - power supply not included on basic HamShield package
Why did you make it?
We Made HamShield because we noticed a lack of amateur radio shields available for the Arduino. We wanted something that could do both voice and data on three different VHF/UHF bands and let people create their own amateur radio inventions.
Some cool stuff to do with HamShield
Connect to your laptop and bring packet radio data communication practically anywhere!
Use our python-bsaed GUI to treat HamShield as a computer-connected radio.
Use HamShield to build your own repeaters, CubeSats, APRS iGates, vehicle trackers, and more.
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(2.00)
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Michael |
Aug. 23, 2018
OK
No audio on right channel. Need better doc on TRRS jack. Lots of web search to find schematic, should be included with doc.
Response from Enhanced Radio Devices | July 1, 2019
Thank you for the feedback.
We have improved our documentation, including providing schematics and TRRS operation on our website.
For others concerned about no audio right channel:
The HamShield provides audio to the left channel, mainly for single ear use. A modification for binaural use (ie: mono audio for both ears), we have provided a how to on our website:
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