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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.
Does your electronics junk box runneth over?
What is your “next level” electronics skill to achieve?
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!