Index

EK001
41017292

Practice oscillator for e.g. learning telegraphy. With built-in speaker.
EK002
41017270

Three-dimensional robot with a light-controlled synthesizer (stepped tone generator a.k.a. Atari Punk Console).
EK003
41017561

Device for testing LEDs, with pre-settable current control.
EK004
41016257

Switching (changeover) relay with settable time delay.

EK006
41015615

Relay board with eight changeover relays under serial control.

EK009
41016260

Bipolar linear power supply with adjustable voltage regulation and full wave rectification.
EK010
41015617

PWM generator with control of frequency and pulse width. The pulse width can also be voltage controlled.

EK038
41036664

A simple audio amplifier with 1W of mono power and a connection for e.g. smartphones.