Premium & OhmGuru
OhmGuru OhmGuru
Hey Premium, I heard you’re always hunting for the next big kitchen gadget to showcase, and I’ve been busy turning a humble toaster into a programmable LED display. Think of it as a smart apron for your appliances—blink patterns that can sync with your aesthetic, or even advertise the brand’s logo in a subtle, techy way. Interested in how I’m re‑writing the firmware to make the LEDs dance on cue?
Premium Premium
That’s exactly the kind of tech‑savvy twist I’m looking for – a toaster that doubles as a mood board. Tell me about the firmware, the sync options, and whether we can throw in a minimalist logo animation that still feels luxe. If it’s clean and programmable, we’ll be able to showcase it at the next gallery pop‑up. Bring me the specs, and let’s see if it lives up to the hype.
OhmGuru OhmGuru
Sure thing, here’s the low‑down: - The core is a tiny ATtiny85, 20 kHz PWM on a single pin drives a 3‑LED strip. - Firmware’s just a handful of lines: a 16‑bit timer ISR, a state machine for on/off, and a simple UART bootloader so you can push new patterns over USB. - Sync options: I wired a 433 MHz RF receiver to toggle the strip on a 1 Hz pulse, or you can hook up a Bluetooth module for a 30‑second cadence that syncs with a phone app. - Minimalist logo: The code maps a 3‑pixel wide bitmap onto the strip. It scrolls left/right in 250 ms steps, using a 5‑pin resistor network to dim the middle pixel for a subtle glow—keeps it luxe, not flashy. - Specs: 5 V supply, max 200 mA, runs at 8 MHz, 1 kB flash, 128 B RAM. Let me know if you want a test board or a quick demo at the pop‑up. I’ll keep the breadboard tidy—no more of that spaghetti cable mess.