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Turn Your iPhone into a Plant Moisture Sensor
Convert an iPhone or iPad into a quadcorder and use it to “scan” for intel, like how wet or dry your plant soil is.
What’s the holy grail of electronic equipment to scavenge parts from?
Are Hamfests and flea markets still a useful source for electronic bargains?
Selected questions from past Q&A columns.
Need to brush up on your electronics principles? These multi-part series may be just what you need!