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This is an autonomous hobby robot application, that finds the candles and then blows them out. Fire-Bot has a Sharp GP2Y0A21YK0F to detect the candle and get closer to it. To determine that the Fire-Bot has reached the optimum distance to the candle, I've used a TSOP1738 IR receiver. When the Fire-Bot catch the candle the DS1821 detects the temperature and the fan is turned on to blow air. DS1821 was placed on the fan. The candle's fire is controlled with DS1821 to determine whether the candle ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/fire-bot