Here are some DIY LDR switch circuits available on our website and the web. LDR switches are used to switch a relay or other device when light are present or absent. LDRs or Light Dependent Resistors ...

General purpose circuit of the simple pressure sensor alarm is built around a couple of readily available cheap components. Working of this circuit is straight forward and self-explanatory. When the ...

When most of us think of glove controllers, the first which comes to mind is Nintendo’s PowerGlove, which promised much more than it delivered. But the idea persists, and from time to time we see them ...

The two resistors may have fixed values or one may be an LDR, a thermistor or other input device. The supply voltage is divided in the ratio of the resistances in the ...

Capacitive sensor technology has evolved markedly over recent years, underpinned by advancements in integrated circuit design and novel measurement approaches. These sensors function by detecting ...

ROSEVILLE, Calif.--(BUSINESS WIRE)--PASCO Scientific, a leader in 21st century science education, today announced that its Wireless CO2 Sensor and Basic Modular Circuits have been recognized in the ...

Features a 12-bit digital readout using sigma-delta A/D converter February 18, 2008 -- Bangalore, India and Gilroy, California -- Cosmic Circuits today introduced a silicon-proven temperature sensor ...