This is certainly a RF jammer manufactured for the U.S. 800 MHz cellular phone band (870-895 MHz).
Sunday, 12 July 2015
How To Build a 6V to 220V Boost UPS Circuit for Satellite TV Modems
The submit describes a basic boost converter UPS circuit for providing an uninterruptible power to satellite TV set top boxes to ensure that the offline recording is rarely permitted to fail in the course of power outages.
How To Build a Car Interior Light Fader Circuit
The article describes an easy circuit that are available for generating a slow fading light consequence at any moment it's turned OFF. The application could possibly be usually employed in car interior lights.
How to Build a SG 3525 Automatic PWM Voltage Regulation Circuit
The article describes a basic design which is often applied with all SG 3525/3524 inverter circuits for applying automatic PWM output voltage control by the IC.
How to Build a LED Cricket Stump Circuit at home
In this particular publish we discover ways to generate an LED cricket stump for serving umpires declare a quick and easy OUT, NOT-OUT decisions.
How to Build a Digital Stop Watch Circuit
In this post we are going to research a digital stop watch design set up around the extremely popular IC LM555 in combination with a 4-digit counter IC with multiplexed 7-segment output drivers (MM74C926).
How to Build a Simple Digital Clock Circuit Explained
The digital time clock described let me share a circuit which most electronic amateurs would absolutely love to create.
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