Useful devices

[quantumtangles]

Stereo Ipod amplifier made from a kit of parts yesterday.

Had to check solder joints with a hot solder, but it came to life after checking voltage leading from the power supply until it disappeared and then re-soldering those joints.

Great sound quality.

2 x 8 ohm 0.5 watt speakers. Its going in an enclosure as a Christmas present.

If anyone is interested, here is the Bill of Parts.

1 x TDA2822M Audio Amplifer IC
1 x 8 Pin IC Holder
1 x 1Kohm Resistor
2 x 10Kohm Resistors
1 x 10Kohm Dual Potentiometer
2 x 4.7ohm Resistors
1 x Red 5mm LED
2 x 100nF Ceramic Disc Capacitors
2 x 470uF Electrolytic Capacitors
2 x 100uF Electrolytic Capacitors
1 x 10uF Electrolytic Capacitor
1 x iPod Cable
1 x PP3 Clip Lead
1 x Right Angle Power Switch
1 x DC Power Socket
2 x Speakers (8ohm, 66mm)
Connecting wire
PCB


Sorry about blurry photos. Also...I used drinking glasses as speaker domes pro tem.

Big fun, useful and cheap (cheaper than the wildly expensive Ipod/Iphone amplifiers you see in the shops.

Hope someone else enjoys making it as much as I did.

 

[davenn]

awesome .... well done

Dave

 

[quantumtangles]

Thanks Dave