A cool three part video of a portable apple one.
Recently I saw a post mentioning Blockly. A web based, graphical programming editor.
I liked this project and using the Arduino
I was successful in soldering the ADC124S021 ADC onto the fine pads of my printed circuit board. It took some real effort to get the VSSOP fine spacing
I'm working on a project that uses a Propeller, a microSD card, a cheap 0.25W speaker (with LM386 audio amplifier), and the WAV-Player_DACEngine.spin