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Henry O'Callaghan

High school student who is passionate about robotics, electronic development platforms, mechanical design, and manufacturing.

Saint Paul, Minnesota
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henry-ocallaghan
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This user joined on 05/24/2016.

41.5k
1.4k
8
138
An Arduino Nano mount that fits on the battery of a Baofeng UV-5R or BF-F8.
Project Owner Contributor

Baofeng Arduino Backpack

timTim

12k
6.6k
19
68
A robot to sail around the world alone
Project Owner Contributor

Ladon Project

pierce-nicholsPierce Nichols

8.9k
1.9k
5
37
variable attenuator for ham radio direction finding
Project Owner Contributor

ham radio fox hunt attenuator

bird-brainbird brain

8.3k
1.7k
2
24
A network of low power sensor nodes in the garden, and possibly some automation as well.
Project Owner Contributor

Garden_automation_and_sensor_network

ethan-durrantEthan Durrant

6.7k
251
3
32
Fully functional POCSAG (beeper/pager) network
Project Owner Contributor

Osomcom POCSAG

ramiroRamiro

6.3k
6.3k
12
25
Automating everything in a room for less than $50.
Project Owner Contributor

Poor Man's Home Automation

milkey-mouseMilkey Mouse

3.4k
1.2k
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9
Robotic Frisbee Launcher that aims for colored targets
Project Owner Contributor

Automatic Frisbee Launcher

jordan-rjaudJordan Réjaud

2.7k
2.7k
0
13
World's First Remotely Controlled "Humanoid" Robot a.k.a Shadow Bot
Project Owner Contributor

Humanoid Robot

aviAvi

2.3k
2k
1
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An agricultural/horticultural automation and monitoring network for small to large scale production.
Project Owner Contributor

Growing of Things (GoT)

peterPeter

1.9k
1.9k
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5
An AVR32 32bit micro-controller on and Arduino UNO footprint board. A reasonably extensive C++ library.
Project Owner Contributor

AVR32 Arduino

forbinForbin

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15
Attempting to use high voltage for better adhesion to print bed
Project Owner Contributor

High-voltage assisted 3d printing

deepsoicDeepSOIC

1.1k
2.3k
1
8
Control any drone directly from Rasberry Pi
Project Owner Contributor

Navio+ Raspberry Pi autopilot

igor-vereninovIgor Vereninov

859
856
3
12
balloon + rocket + lots of $, somehow = 1 kg payload satellite in orbit
Project Owner Contributor

DIY satellite launch

dylan-bleierDylan Bleier

855
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11
See details at: http://www.kn0ck.com/HF_SDR/
Project Owner Contributor

USB Powered/Controlled HF Upconverting Receiver

martywittrockmartywittrock

503
342
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5
Open, connected, scalable information display
Project Owner Contributor

Persistent, dynamic, scalable information display

davidnhutchdavidnhutch

468
409
3
3
I picked up a 1977 LabSeries Guitar amp and it picked up radio stations as if it were designed for it. This is how I fixed it.
Project Owner Contributor

LabSeries L7 Guitar Amplifier RFI Fix

thundersqueakThunderSqueak

441
1.5k
0
5
Another home automation node with environmental sensors. But each node has 3pin ports with Gnd, 3.3v and Digital/Analog. Footprint for RFM12
Project Owner Contributor

Another Home Automation Node

mobilewillMobileWill

399
268
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3
When I moved to the Idaho Panhandle there was no garage/shed, so I built one.
Project Owner Contributor

Play Room

tomthorntontom.thornton

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