This tester can be used to test light emitting diodes for all kinds of function, brightness, colour and polarity. The LEDs can optionally be tested with the following currents: 1 mA, 2.5 mA, 5 mA, 10 mA, 20 mA and 50 mA. The test contact can accommodate desoldered LEDs with solder residue on their pins as well as brand-new LEDs. 2 test sockets with the same current (10 mA) are arranged side by side for selecting LEDs of the same brightness.
Kemo4024028030876
Price: £15.99 from Conrad Electronic
| Stockist | Price | |
|---|---|---|
| £15.99 | Visit Store |
For microphones and many other applications. This module is simply switched between a power amplifier and a weak signal source.
Switches on other devices with the built-in relay contact after pushing the button and automatically switches them off again after a set time. The time can be stopped any point by pressing the second button. Two push buttons are required for use.
High-quality piezo-calotte tweeter with funnel. This tweeter can be connected directly to the amplifier or to a frequency point. The tweeter has a bulging aluminium calotte and no cone membrane. Owing to the aluminium calotte the sound pressure is not...