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Audio sensors & mics have to be amplified just right for best response. Here's a tidy unit engineered by Sparkfun to make adding an electret mic to your project easy.
Newer MEMS microphones give much better response than older style electret mics, and they're smaller too.
The Audio FX Sound Board lets you trigger and play WAV/OGG files with no additional amplifier or microcontroller required.
Speakers. That are ready to use, and easy to mount. DONE.
Get 5.2V USB-style power @ 500mA from as low as 1.8VDC
Get your 5V out of a single 3.7V LiPoly / LiIon cells at a MINIMUM of 500mA. Recharge while drawing power on-the-fly.
The Adafruit PowerBoost 500 Shield is a clever add-on for your MOBILE Arduino project. It's a power supply, charger, and battery pack all-in-one.
Use this 2 pin panel mount DC jack to add a little polish to your next project.
It's a pain to solder up barrel jacks, so these screw-terminal based versions are very popular for repurposing DC power supplies to other applications!
Before inexpensive microcontrollers, logic circuits did the bulk of electronic decision-making. The Mixer Pack makes it easy to play with simple "if-then" circuits without soldering.
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