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This document describes the HSETI PCB. This PCB is a small simple application for the Atmel AT89C2051 microprocessor - a 20 pin 8051 variant, with FLASH (reprogrammable) program memory. The board has just two chips on it, the CPU...
This circuit utilizes a positive-feedback loop that encompasses a combined comparator and integrator. Upon the application of power, the output of the comparator transitions to one of two states, either the maximum positive or maximum negative voltage. This action...
Solar PV Modules: UL Listed and installed worldwide, these solar panels are reliable, with an excellent performance record in the field. One does not need to be a mechanic or possess mechanical skills to create solar module panels. Prices...
This module utilizes an unconventional topology while retaining the fundamental operational amplifier circuitry of the main module, with some modifications in resistor values. A distinctive feature of this circuit is the incorporation of six-way switches instead of the more...
An IC1, such as the 7447, drives a common anode 7-segment LED display. The current-limiting resistor R must restrict the segment current to the rated value at the maximum supply voltage. A sample calculation is provided. The 7447 integrated circuit...
A quick circuit showing how to control the speed of a DC motor with a potentiometer with your Arduino board. Also shows how to use a TIP120 transistor to allow the Arduino control a larger power supply. This circuit utilizes...
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