Tricking students into engineering by treating them to retro games
Most ultrasonic modules are advertized as 40 kHz, but this is normally not exact. For best results, find modules that match
One system, three jobs: stop wildlife damage, stop fires before they spread, and grow smarter with real-time soil data.
Tired of noisy birds that leave their droppings in your house ? Unable to find something for sale online that works ?
