Add in an IR sensor if you want the candle to be able to detect the presence of a match, ... [Keith] is using a coil of 28 gauge wire wrapped around the wick of a “Tiki Torch”, ...

Second thought: … Arduino Pro Mini, a chunk of RGB WS2812B, an IR sensor, a microphone,a coil ... less environmental friendly than mass producing candles that have refined wax, glass, wicks, ...

Trim the wick like the candle you see on the left. Caroline Praderio/INSIDER You can use a plain old pair of scissors to do this, but once the candle burns down, it'll get harder to reach the ...

After soldering on a TCRT5000 infrared sensor and figuring out a way to secure the matrix onto the tiny board, mitxela had most of what he needed. Well, except the software.