Harwin Mainheader EN 728x90 April 2025

Bernard C. Zschocke (21)

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| On many cars, the boot light will not go out until the lid is properly closed. It is all too easy when unloading the car, to leave the lid a...

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| The steady progress in the field of microcontrollers and microprocessors has produced new, powerful devices which come in standard IC...

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| Microcontrollers in your toaster, washing machine, the Mars Explorer or a Formula 1 race car; these beasts are literally all around us...

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| All microcontrollers have to be programmed, be it by means of a 'mask' during their production, or by means of a special programmer. I...

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| Because of their inertia, power consumption, contact wear, and often size, relays are not really suitable for switching alternating volta...

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| Build this small add-on unit and put an end to the (often gross) inaccuracy of the real-time clock that ticks in your PC. Complete with a...

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| Integrating an EPROM emulator into a microcontroller system gives tlexibility while reducing cost. It also makes the 80C535 based processo...

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| The aim of the design of this 'zener diode' is to obtain a fast voltage regulator that can provide high currents. The circuit is based on...

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| The PC may not transmit characters to the counter while this is busy executing the command string. Any character, in particular US, has t...

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| This month's instalment explains how the frequency meter can communicate wtth a PC via an RS232 sertal link. Obviously, to be able to wrt...