| Create a nice Pomodoro Timer with this fun hands-on project and improve your productivity!
| Create a nice Pomodoro Timer with this fun hands-on project and improve your productivity!
| After the previous episodes about (ancient) radio techniques, we now return to a very house and garden, or more specifically, kitchen circui...
| This circuit is a tester for flywheel-based ignition systems in small aeroplane engines. Basically the same ignition coils are also seen in...
| This design came about when the author wanted better control of his 12 V solar-charged garden lighting installation. It is however a versati...
| Developing a lighting control unit recently, the author found that available analogue or mechanical timers were not sufficiently accurate or...
| Most hobbyists will have some tools that are battery-powered, such as a drill, screwdriver or power scissors. Unfortunately (and especially...
| If a PIC is used for example in a timer application, such as a programmable clock timer, the majority of the circuit is taken up by the us...
| Simple triangle-wave generators have a weakness in that the waveform of their output signal normally cannot be modified. The circuit pre...
| This circuit meets the requirement for a simple, low-cost timer with a timing range of a less than a second to several tens of hours, and...
| Many young children will insist on keeping the bedside light on for a couple of minutes after the storybook has been closed and father or...