Category Archives: Hacks

PlantBot – The Plant Watering Robot

PlantBot – because watering plants is boring. Laser Cutter Plans: Here is a preview of what the plans look like: For laser cutting, click here to download an SVG file of the plans Code:

The calc_shoulder_angle function is dodgy … Continue reading

Posted in Arduino, Hacks, Hardware, how to, Ideas, Projects | Tagged , , , | 2 Comments

Matchbox Car v1

This build consists of a tiny DC motors ripped from a pair of 9g servos, a h-bridge motor controller, an el-cheapo 8 bit pic and a 100mAh 3.7V LiPo battery. Circuit : (click schematic for pdf) Code: What’s coming next … Continue reading

Posted in Hacks, Hardware, Ideas, Microcontrollers, PCBs, pic microcontrollers | Tagged , , | 4 Comments

Matchbox Car – could it work?

All the parts were lying around so with a bit of solder and hot glue this is what happened: This was done to test if the motors were powerful enough to push the weight of the matchbox. The answer is … Continue reading

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Low power magnetic hold and release mechanism

How it works: Explanation of the idea: With the inductor and magnet combined, ferrous metal objects can be held without any power indefinitely. To release the metal object the magnetic field holding it up needs to be temporarily cancelled out. … Continue reading

Posted in Hacks, Hardware, Ideas | Tagged , , , , | 16 Comments