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NAV lighting system for RC airplanes | 555 timer IC + NAV LED lights for drones and RC planes | Arduino

Today we are going to create a strobe light for the tips of the wings of an rc airplane using a 555 timer (NE 555 or lm 555 IC) this circuit is very easy to make with few components and most ...
Circuit Digest

Build a Simple Optocoupler Tester Circuit for Fault Detection

Testing for failure with a multimeter is only partially effective, whereas a dedicated optocoupler testing circuit provides ...
Tech Xplore on MSN

LED method blocks ambient light to keep projection images sharp in bright environments

Projection mapping has the potential to create shared immersive experiences in exhibitions, commercial facilities, and public ...
Hackaday

Arduino Code? On My 8051? It’s More Likely Than You Think

The 8051 was an 8-bit Harvard-architecture microcontroller first put out by Intel in 1980.  They’ve since discontinued that ...
Nature

Resolving Power of the Microscope using Polarized Light

IN a recent paper 1 I derived formulæ expressing the distribution of light in the geometrical focal plane of optical systems of high relative aperture; and, using these formulæ, curves were given ...