robvh (28)

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| Find your way out of an electronic labyrinth

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| J'ai construit cet instrument de musique pour mes enfants il y a quelques années. Il est simple et ne comporte que des composants courants....

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| Hands on the buttons, who was 1989 worldchampion .... The player who presses first may answer; when the buzzer sounds, the answering time is...

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| This simple electronic instrument contains a small number of standard parts and needs no on/off switch.

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| For the control of the lighting around my home (and inside if I'm on hollyday) I used to rely on 4 mechanical timers. A replacement was need...

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| Save time if you build a prototype with microcontroller and LCD. Because at least a part of such a circuit is the same you can often use the...

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| Simple digital timer as NE555 killer in many application were accurate timing is required from seconds until hours.

par robvh

| By using so called ladder diagrams one can build a PLC-program like a schematic diagram using relais like in the early days of automation.