Take a look at the writeup for full details, and the video after the break to hear it in action. The result is that the buttons on the feet still work, but now the Alphabet Pal also has MIDI control. After pulling out the oscilloscope for a bit of reverse engineering, grabbed a PIC microcontroller and added it to the same solder points as the stock ribbon connector.
That made it easy to throw in a trimpot for pitch-bending and he moved on to figure out individual note control.Īll of those caterpillar feet are arranged in a keyboard matrix to detect button presses.
With an intuitive sense that can only be gained through lots of circuit-bending experience, he guessed that the single through-hole resistor on the PCB was used to dial in the clock speed. Plus, look at all of those inputs - this is begging to leave toyland and join the band. mentions he’s impressed by the build quality, and we have to agree. The image above provides a great look inside the beastie. The performance in the demo video begins with some impressive tricks, but just wait for it because by the end the little purple caterpillar proves itself an instrument worthy of a position beside that fancy Eurorack you’ve been assembling. This circuit bending hack takes advantage of those audio circuits by turning the Alphabet Pal into your lead vocalist. Especially admirable is the low cost, the battery life, and the audio quality of these devices. Leapfrog make some pretty awesome kids electronics. If you’d like to see some other LeapFrog hacks, checkout this LeapFrog TV Running DOOM or Composite Video Out on the DIDJ.Ĭontinue reading “RetroArch On A LeapFrog Leapster GS” → Posted in handhelds hacks, Software Hacks Tagged doom, emulator, Leapfrog, LeapPad, LeapPad2, leapster, LeapsterGS, Retroarch Performance varies, but some PS1 games have even run successfully on the device. The default system includes emulators for NES, SNES, GBA, Genesis, Atari 800, and MAME. Installation is done over the command line with sshflash, also by, after booting the Leapster or LeapPad2 into “Surgeon Mode.” Since the stock bootloader remains intact, you can always return the LeapFrog to its default state if anything gets wiggy by reflashing the device via the LeapFrog Connect App. We covered Linux on the Leapster before, but Retroleap seems better documented (and still up on the internet). has developed a custom retroarch-based firmware for the Leapster GS and LeapPad2. Retro games are a blast, and even more so when you can bring the fun on the go.
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