More about PWM (150)

18-02-2013 | A PWM output controls the logic FET BUK101-50 (or IRLIZ44N). This FET switches the discharge current through 2 resistors. A 0.1 ohms resisto...

18-02-2013 | A PWM output controls the logic FET BUK101-50 (or IRLIZ44N). This FET switches the discharge current through 2 resistors. A 0.1 ohms resisto...

1-12-2012 | In some situations it can be useful to vary the phase between two square waves. Here, two D-flipflops ‘A’ and ‘B’ convert the PWM signal int...

1-12-2012 | For this month's instalments I researched two ICs that provide stand-alone functionality as fan-speed controllers. This can be very hand...

1-09-2012 | This low-cost signal generator has an impressive frequency range from 250 Hz to 60 MHz. It can generate PWM signals from 250 Hz to 60 kHz, w...

1-08-2012 | Transferring up to 24 digital signals using your computer’s USB interface is simple with the multifunction cable described here. You can als...

1-07-2012 | You’ve just got hold of the latest whizzy IC and can hardly wait to start experimenting with its functions. It is highly likely that, like m...

25-01-2012 | A small PCB the size of a TO-220 case containing a PWM voltage regulator to replace the classic 7805 by a more efficient regulator and with...

1-07-2011 | This electronic doorbell is essentially a small WAV file player based around an ATmega328P. When a guest presses the bellpush the device is...

1-03-2011 | Looking for an audio project? This article explores the design of a DIY 50-m range directive sound beam using an array of piezo ultrasonic t...