All posts on June, 2008
Posted on 25 Jun 2008
Each encoder channel has a dedicated microcontroller, this feature gives it a high speed encoder tracking ability.It will track at up to 30 KHz ! All four channels are controlled by a main chip. The main chip takes care of calculating values for the LCD display.The main controller uses 32 bit counters so there are no practical limits for it’s use.[more]
Posted on 25 Jun 2008
This unit uses the LTC2400 Delta Sigma 24bit ADC chip connected to a Cypress Semiconductor CY7C6300 which is a low speed USB device.[more]
Posted on 25 Jun 2008
The circuit uses a constant current drive and a four wire connection to the probes. This allows almost any length of probe connecting cable without re-calibration.The current is set to 1.000mA. The circuit use MAXIM MAX4194 series of precision differential amplifiers. [more]
Posted on 25 Jun 2008
This Portable Universal Radiation Spectrum Analyzer has many advanced features based upon the experience gained from the original design by Wedemeyer. The signal to noise ratio is significantly higher and therefore reduces count time as well as allowing a better low end range, high end range is of course as good as ever.[more]
Posted on 25 Jun 2008
This is DC motor speed control based on PIC16F867.The circuits use frequency PWM about 10KHz which does not make a noise in the motor.This project can drive 1 Amp motor current without heat.The motor speed controled by potentiometer which is connected to ADC input.[more]
