| Lengths and distances are usually measured using a yardstick or measuring tape. For inaccessible locations, and especially for measuring the...
| Lengths and distances are usually measured using a yardstick or measuring tape. For inaccessible locations, and especially for measuring the...
| Based on the MS5534 pressure sensor made by the Swiss company INTERSEMA (specialized in pressure measurements), with one metre resolution in...
| A model racetrack is a nice toy for boys. Even the ‘big’ boys like to race a little every once in a while. Of course, it is no longer consid...
| Whenever you want to put a circuit together quickly, it will take too long to design a PCB for it first. In that case, the experimenting PCB...
| Servos for model making can also be used for completely different purposes besides model airplanes, boats and cars. As an example, here a se...
| The circuit shown here combines the functions of a low-pass filter and an integrator, presenting a novel approach to creating a precision 50...
| We have designed a fairly compact adapter that lets you connect an MP3 player (or any other portable device) to the SCART socket of a TV. It...
| The unusual feature of this code lock is that it can be operated with just one pushbutton. In situations where a tamper-proof solution is re...
| This two-part circuit was designed as an addition to the 'Compact 200 W Output Stage' in this issue. But it is also suitable for u...
| These days, transmit- and receive modules that operate on the well-known 433-MHz licence-free frequency are reasonably cheap and freely avai...