Sensors, you can get some ads1115 (4 channel 16-bit A/D) boards cheap especially if you pick them up on Aliexpress and wait for them. Under $5 I think. Some are designed to fit the RPi 3 GPIO, which is mostly the same on the Rock64. There are different configurations but plugging in more than one at a time may require an extender. They can be set to different addresses but they tie up pins.
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Single board computer for coding classes (Python / EduBlocks)
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Single board computer for coding classes (Python / EduBlocks) - by pawlinski - 01-15-2020, 07:11 AM
RE: Single board computer for coding classes (Python / EduBlocks) - by Luke - 01-21-2020, 11:31 AM
RE: Single board computer for coding classes (Python / EduBlocks) - by pawlinski - 01-22-2020, 05:54 AM
RE: Single board computer for coding classes (Python / EduBlocks) - by martinayotte - 01-22-2020, 07:49 AM
RE: Single board computer for coding classes (Python / EduBlocks) - by ab1jx - 03-20-2020, 10:49 AM
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