Category Archives: Tinkering

Cool suction bot

Nice build for a suction based robot. Uses a controller called OpenCR (new one for me). Which looks neat, but…costs 180 dollars… So if you are thinking about this build, a RPi and an arduino combo maybe a better approach. … Continue reading

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The poor persons CNC

Or a “ghetto CNC”. Pretty straight forward build with simple materials. Fun to watch (amazed how well it works). I love the nut build he uses for anti backlash nuts.

Posted in Cheap, CNC/3D-printing | Leave a comment

Circle making jig for a bandsaw

Interesting build. I have seem similar builds for table saws, but those are more for large circles. This is a way to make smaller ones.

Posted in Tools, woodworking | Leave a comment

Cheap Thermal Camera with RPi

Rather simple build once the author figured out how to get the RPi to talk to the camera. The camera is a MLX90640 made by Melexis. but you want the one with a controller board GY-MCU90640. Which runs for $80. … Continue reading

Posted in Cheap, Misc-Life, RaspberryPi, sensors | Leave a comment

Someone has too much time on their hands

This is a self contained spitball gun. Load in water, toilet paper, and launch your spitballs.

Posted in Misc-Life, water, weapons | Leave a comment

Making a button dispenser

Nice build, the author built a button dispenser with a touch sensor.

Posted in CNC/3D-printing, Misc-Life, robots | Leave a comment

Turn an ESP8266 into a WiFi Jammer

Pretty cheap jammer. The “jamming” part isn’t a radio freq. jammer but more protocol stack based.

Posted in Arduino, Security | Leave a comment

Another mini lathe build

I seem to be on a lathe kick lately. Anyways this is a nice build if you have a decent 3D printer to print the parts. Me…not so sure I want an ABS based fram for a wood turner.

Posted in CNC/3D-printing, Tools | Leave a comment

Opensource hearing aid

OK after seeing how much pro hearing aids run (3 grand easy). I can see why there is an opensource project. Article indicates the board will run around $250, not including headset. But still thats 10% of the cost of … Continue reading

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Make a palm sized gattling rubber band gun

This may go on the list of things to print out.

Posted in CNC/3D-printing, weapons | Leave a comment