![How can I interface a Raspberry PI GPIO to an open collector circuit to send / receive data? - Electrical Engineering Stack Exchange How can I interface a Raspberry PI GPIO to an open collector circuit to send / receive data? - Electrical Engineering Stack Exchange](https://i.imgur.com/k9QKEpl.png)
How can I interface a Raspberry PI GPIO to an open collector circuit to send / receive data? - Electrical Engineering Stack Exchange
![Amazon.com: Custom Raspberry Pi Interfaces: Design and build hardware interfaces for the Raspberry Pi: 9781484224052: Gay, Warren: Books Amazon.com: Custom Raspberry Pi Interfaces: Design and build hardware interfaces for the Raspberry Pi: 9781484224052: Gay, Warren: Books](https://m.media-amazon.com/images/I/41AOzrwdtmL._AC_SY780_.jpg)
Amazon.com: Custom Raspberry Pi Interfaces: Design and build hardware interfaces for the Raspberry Pi: 9781484224052: Gay, Warren: Books
![RaspberryPi interfaces in use: CSI-camera connector and GPIO connector... | Download Scientific Diagram RaspberryPi interfaces in use: CSI-camera connector and GPIO connector... | Download Scientific Diagram](https://www.researchgate.net/publication/346145751/figure/fig2/AS:961387140481024@1606223964046/RaspberryPi-interfaces-in-use-CSI-camera-connector-and-GPIO-connector-with-attached-pins.png)