@borpin wrote:
I’ve done a fair bit of research on this without finding an answer I feel confident in and I’m pretty sure I’ll get a reliable answer here which others may find useful (might even add it to ‘Learn’) Image may be NSFW.
Clik here to view.I have a couple of 5V pulse sensors (one for gas and another for water) which I want to read using a Pi (Raspberry flavoured then Orange). I know 5V is bad for GPIO pins on a Pi but I cannot find a reliable explanation of how to connect the sensors (with the relevant resistors) and then setup the pins correctly to read the result (using python). I know this has an impact but, try as I might, I really do not understand Pull-up and Pull-down resistors (electronics never was my forte)! There is a lot of very poor advice out there Image may be NSFW.
Clik here to view.
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