LFR “Microcontroler-less!” Mini

Who said robots need a microcontroller to be smart? This robot certainly doesn’t believe that! Presenting: LFR Mini! A line follower of the non-programmable kind! Since LFR Mini has no formal “brain”, it depends almost entirely on the digital line sensor to do the job. However, as you may know, a line sensor works on

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TechnoBoard Lite

This week, I had the honor of writing a review on Inventrom’s latest development boards: Techno Board Lite Techno Board Lite is a sleeker and much more user friendly version of the Techno Board v2 Hardware: Techno board Lite is half the size of its predecessor, the Techno Board v2, but

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Full tank Alarm

This is one of my latest projects using  Snap Circuits Pro. This is a simple circuit which sets off an alarm when it detects a full tank. (In this case, a basin full of water.) Components used: AA Ni-Cd batteries, 1.2 volts, 1000  mA rechargeable. (4) Speaker Alarm IC NPN transistor 100Ω

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