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Quick Built 3x4m Studio
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Timer Delay Duty Cycle Timer Switch Trigger Relay Module
6-30V Relay Module Switch Trigger Time Delay Circuit Timer Cycle Adjustable Trigger OFF / ON Switch Timing Cycle Product Features: 1. Wide voltage power supply (6 ~ 30V) supports micro USB 5.0V power supply, easy to use; 2. The interface is clear and simple, powerful, easy to understand, meet almost all your needs; 3. There…
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Digital thermostat. Cooling down excessive fridge’s heat.
Programmable digital thermostat XH-W1209 and 12V (6x6cm, rated 0.25A, consumes 0.15A) cooler fan to chill down the heat from fridge radiator at it back. DISADVANTAGE: noisy (unless replaced with low RPM and bigger installed flat at the back); Independent relay. Programmable on-off-on, delay settings, calibration 0.1°C, range settings, display settings. Thermo-sensor placed between the radiator’s…
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SUDOKEY (convenient way to store securely your Master Password)
OPEN SUDOKEY GENERATOR HERE Idea:I came up with this idea, while thinking on safe way of storing a pass-phrases (possibly crypto-seeds, but primarily— Master Password). Base of idea:Sudoku, the puzzle-game, has nine, 3×3 squares. Each, 3×3 square holds numbers from 1-9. The number 0, in Sudoku puzzle, is not participating. Some exercise books for kids,…
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DIY Hydro-turbine made of washing machine
Unwritten article. Pictures only, with little description. This is FAILED PROJECT, do not get over-excited. In order to get good results, it requires installation of proper Pelton turbine. Additionally, it requires set of electronics for converting output into AC high voltage in order to transfer the energy into far directions. Keep in mind, that turbine’s…
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Diesel car dual-tank fuel system to run on veg oil
Did you know — the first diesel engine ran on peanut oil? Ask Wiki. I’m not here to convince (again!) anybody that it works. No difference at all, but one little condition to keep in mind (for peace of mind) — pure oil should be used when engine is hot (preheated).
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Canes / Cañas Yurt Green-house
To build yurt from cañas was never a great idea because of the properties of cañas – it is not durable, is not straight/same, is too fragile and splits easily. However caña is strong and flexible when used mindfully. The old-fashioned farmer’s way of using a polypropylene pipe, to build a greenhouse, called for a…