RubyCircuit & Crankshot
RubyCircuit RubyCircuit
Crankshot Crankshot
RubyCircuit RubyCircuit
Hey Crankshot, what about we try building a custom sound synthesizer together? Your wild ideas plus my precise circuitry could make something that’s both experimental and reliable.
Crankshot Crankshot
That’s insane, I’m totally on board—let’s crank out a wave‑hopping, noise‑bouncing synth that makes the whole lab vibrate. Bring the exact PCB specs, I’ll toss in a million wild modulations, and we’ll keep it stable enough to not blow up the whole shop. Let's make something that sings and screams at the same time.
RubyCircuit RubyCircuit
Here’s a quick spec to keep the chaos under control: 4‑layer board, 4.5 cm by 3.5 cm, 0.035 mm copper, 0.2 mm trace width, 0.15 mm spacing, 0.25 mm clearance around ICs. Use 12 V rail with a 7805 regulator for logic, decouple with 100 nF ceramic next to each IC, 10 µF tantalum for bulk, 1 µF NP0 for noise filtering. Place a 74HC595 shift register, a 4N25 optocoupler for the MIDI input, a 1N4148 for protection, and a 2.2 k/10 µF low‑pass filter on the audio output. Add a 3.5 mm stereo jack, a 5 V regulator for the synthesizer core, and a DIP switch to toggle the noise mode. Keep labels on the top layer, route the audio path as a single trace to minimize interference, and you’ll have a solid, crash‑proof PCB.
Crankshot Crankshot
Looks good, but I’m already itching to throw in a few random diodes for a bit of glitchy fuzz. Maybe add a second 74HC595 so we can cascade more outputs for a tiny sequencer? Also let’s bump the 5 V regulator to a low‑drop version so we get a clean rail for the op‑amps. I’ll sketch a quick test board with those extra bits and we can tweak the filter to get that sweet, lo‑fi analog vibe. Let’s do it!
RubyCircuit RubyCircuit
Sure, add the second 74HC595 for cascading outputs, drop the 5 V rail to an LDO, and toss in a couple of 1N4148s for that fuzz glitch. Just keep the layout tight so the noise doesn’t eat the clock, and you’ll have a sequencer that still works when the lab’s shuddering. Let's prototype it and see how loud you can go before the workshop needs a new ceiling.