4 ms·
Cute, but seems like overkill. Why not a $1.00 pushbutton and a flashlight bulb?
by ams6110 9y ago
Cute, but seems like overkill. Why not a $1.00 pushbutton and a flashlight bulb?
- egwynn 9y agoThe board in question can be found between $2 and $3. Once you’re at the point of wanting to build "an electronic thing to notify you of something", the actually cost difference in the BOM between the simple approach and the “IoT” approach is basically zero. EDIT: Sorry, not the exact board, but something that’s basically the same. The usual “value adds” you find on top of the basic wifi board are 1. on-board usb/ttl chip and 2. 5v-3.3v regulator. Still, you can find something with both of those for under $4.
- jpindar 9y agoBecause that wouldn't be as much fun.
- throwanem 9y agoI'd probably do it with a transistor amplifier for fade-in and an RC network for fade-out, because it'd be an easy opportunity to learn how not to suck at analog quite as much as I currently do. But not everyone has parts bins as deep as mine.