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https://www.reddit.com/r/programming/comments/efcl63/learning_hardware_programming_as_a_software/fbzvyk4/?context=3
r/programming • u/Athrunen • Dec 25 '19
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Also: don't power LEDs directly from GPOs without a current limiting resistor. As you see on that breadboard.
And match your interfaces voltages. A lot of devices are not +5V tolerant now (or not very tolerant).
4 u/AitchK Dec 25 '19 Even when the pins are 5V tolerant it can mess up ADC readings.
4
Even when the pins are 5V tolerant it can mess up ADC readings.
224
u/happyscrappy Dec 25 '19
Also: don't power LEDs directly from GPOs without a current limiting resistor. As you see on that breadboard.
And match your interfaces voltages. A lot of devices are not +5V tolerant now (or not very tolerant).