When the light beam through the tube is blocked by an air bubble within the tube, the threshold is met, and the sensor’s output is switched over accordingly. This post describes the design concept of ...

Posted in Art, Robots Hacks Tagged beam, beam robotics, Circuit Sculpture, light sensor LED Brightness Adjustment Uses Itself As Sensor April 11, 2021 by Donald Papp 16 Comments ...

BEAM robotics, which stands for Biology, Electronics, Aesthetics, and Mechanics, is an ethos that focuses on building robots with simple analog circuits. [NanoRobotGeek] built a great example of th… ...

Schematic of IR Beam Breaker Circuit. TSOP1738 IR sensor module responds to only 38 kHz pulsed infrared rays. It will not sense continuous IR ray from the IR LED. So a transmitter circuit(as one in TV ...

Automation light grids take many forms and cover applications from simple to complex. Sizes range from a few inches to several feet, and resolutions from 2 to 100 mm. Nearly every sensor ...

The sensor in this application, a BPW21R photocell (from Vishay), is used to generate photocurrent proportional to the ambient light intensity (see the figure).