Hands-on DIY Engineering
Cheap motors, dead power banks and parts other people throw away, rewired into machines that actually work.
What we build
Four kinds of projects keep landing on the bench.
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Motors & machines
Tiny 3V and 480-size DC motors turned into pumps, fans, grinders and little machines that do real work.
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Power & batteries
Power banks, chargers and spot welders built around salvaged cells and low-cost modules.
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Trash to treasure
Bottles, cans, cardboard and dead gadgets rescued from the bin and rebuilt into useful tools.
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Toys & vehicles
Cardboard cars, bottle boats and motorized toys you can put together in an afternoon.
Lab Log
Every build from the bench, newest first.
Every build lives on the channel
Head over to YouTube for the full Lab Log, from tiny motor pumps to spot welders.
Watch every build on YouTube (opens in a new tab)Know your circuit before you build it
Some projects involve mains voltage, high current or lithium cells, which can shock, burn or catch fire. Only attempt a build if you have the knowledge and the right protection: insulated tools, eye protection and a fire-safe bench.
Close the circuit
Subscribe on YouTube and the next build lands in your feed as soon as it is off the bench.