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microcontroller - Driving a LED with an open drain digital output - Electrical Engineering Stack Exchange
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stm32 - How can I read the value of an open drain pin connected to an LED - Electrical Engineering Stack Exchange
![Read open-drain signal already pulled-up at 24v from 3.3v Arduino - General Electronics - Arduino Forum Read open-drain signal already pulled-up at 24v from 3.3v Arduino - General Electronics - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/4/3/c/43c3097855f0c9df67bddb3d077c593f58b93507.png)
Read open-drain signal already pulled-up at 24v from 3.3v Arduino - General Electronics - Arduino Forum
![microcontroller - Driving a LED with an open drain digital output - Electrical Engineering Stack Exchange microcontroller - Driving a LED with an open drain digital output - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/g0coZ.png)
microcontroller - Driving a LED with an open drain digital output - Electrical Engineering Stack Exchange
![microcontroller - Driving a LED with an open drain digital output - Electrical Engineering Stack Exchange microcontroller - Driving a LED with an open drain digital output - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/oy49i.png)
microcontroller - Driving a LED with an open drain digital output - Electrical Engineering Stack Exchange
![Open Drain outputs don't work (also breaks bitbangio.I2C) · Issue #3845 · adafruit/circuitpython · GitHub Open Drain outputs don't work (also breaks bitbangio.I2C) · Issue #3845 · adafruit/circuitpython · GitHub](https://user-images.githubusercontent.com/1517291/103016498-bfce7b80-4507-11eb-8d58-0c92d2ec073c.png)
Open Drain outputs don't work (also breaks bitbangio.I2C) · Issue #3845 · adafruit/circuitpython · GitHub
![microcontroller - Driving a LED with an open drain digital output - Electrical Engineering Stack Exchange microcontroller - Driving a LED with an open drain digital output - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/MVpQN.png)
microcontroller - Driving a LED with an open drain digital output - Electrical Engineering Stack Exchange
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