Hidden ‘phantom’ appliances can quietly add up to £630 to UK energy bills; learn which gadgets waste the most in standby and how to cut the leak.
In recent years, integrated platforms equipped with microcontrollers (with Arduino probably being the best-known brand) have been gaining popularity.
In the 1980s, Francesco Cirillo came up with the technique. Using a tomato-shaped kitchen timer, he'd study for 25 minutes ...
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