The kit can be powered off a 2V to 15V supply, though the volume is better with a higher supply. It uses a TDA2822M audio amplifier IC which can output 1W per channel. This version is supplied with a iPod lead (shown right). It has a PP3 battery clip and can run off any voltage from 2 to 15 volts.It works nicely off a 9V battery (not supplied) . Output power at 9V is 1W per speaker.
PCB dimensions: 62mm x 50mm.
Project kit unassembled
Project kit assembled
An electronics project with real life application. Students complete the circuitry following the instructions and then the real design begins. This design challenge allows a range of possible fabrication processes. If your school has laser cutting, vacuum forming or CNC capability then put them to good use.
The kit has a volume control & power LED. It can be powered by a batteries connected to the PP3 clip or a DC power module can be plugged in when the batteries automatically disconnect and the power supply is used.
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