Every time I fly and have to drop off my luggage at the check-in counter, I wonder what goes inside it during the trip. Is it stored in a cold location? At high altitudes, external plane temp can reach -30F. Is my stuff exposed to that extreme weather? Does it gets opened when I’m not around? As […]
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If you are looking for a dtmf decoder, your best option is to use a dtmf decoder ic instead of trying to write up software. Using software in your microcontroller-based project (Arduino or other) to decode dtmf signals to me is like reinventing the wheel. For sure the software approach is a “free”solution, since you’re […]
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Power toothbrushes are becoming more popular each day. Some simpler power toothbrush models operate with AA or AAA batteries so when power runs out you need to replace the batteries. The higher-end, more expensive models have a build-in rechargeable lithium battery which is recharged using wireless power technology. I happen to have one of those. Cool! That […]
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