Is eeZeeAmp awesome for breadboard audio projects? Why yes, it is.Designed by Bot Thoughts LLC, Ships from United States of America
If you're working on breadboard projects that generate audio, and you want to save some breadboard space and time, then eeZeeAmp is for you. Designed to eliminate ground loops and maximize fidelity...Read More…
If you're working on breadboard projects that generate audio, and you want to save some breadboard space and time, then eeZeeAmp is for you. Designed to eliminate ground loops and maximize fidelity while keeping costs down, you may be surprised to hear how nice (and loud) an LM386 can sound.
Quickly and easily add clean audio amplification to your next project with eeZeeAmp.
Install a volume potentiometer adjacent to the 3 Vol pins on the board (add a 100K eeZee Potentiometer to your order or use your own).
Pins 1 and 8 provide gain control. With no external components, gain is set to 20 (26 dB). For full gain of 200 (46dB), bypass the pins with a capacitor (10uF, for example).
If you want to control gain between 20 and 200, put a resistor in series with the capacitor. Or, you can capacitively couple a FET from pin 1 to ground for electronic gain control. For details see the documentation.
I recommend an 8 ohm speaker. The wattage depends on voltage supply input. At 6V, use a 0.4W speaker. 9V use 0.8W. 12V use 0.9W.
Designed, fabricated, and assembled in the United States of America.
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Hi, my name is Mike Shimniok, author of the Bot Thoughts robotics blog (www.bot-thoughts.com). I've been building electronic circuits since 1985 and robotics since 2007. I hold a BS in Computer Engineering, from University of Arizona and an MS in Systems Engineering, from The George Washington University.