This mini-kit makes it easy to mount a PSP/Xbox-like thumb joystick to your project. The thumbstick is an analog joystick - more accurate and sensitive than just 'directional' joysticks - with a 'press in to select' button. Since it's analog, you'll need two analog reading pins on your microcontroller to determine X and Y. Having an extra digital input will let you read the switch.
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Amazed me how easy it was to use. Was able to get it working in under an hour or two for my university project, which was to make a simple 2D video game. Would recommend for similar projects.
This joystick worked well, but the dead-zone in the middle was waaaaaaaaay too large for what I was trying to use it for. I would not recommend this joystick for any project where smooth continuous movement is required across the middle of the thumb-stick. I'd recommend Adafruit's mini analog joystick instead of this for that purpose.
I've ordered a handful of these now and while some work absolutely perfect (been working for year or more, accurate potentiometer readings) I've had two of the five fail in different but show-stopping ways. One quit working altogether within a month and after using a multimeter to test I wasn't able to figure out where the circuit broke and the other one is giving off very jittery x axis readings but perfect y axis readings. In the latter case, I checked the circuits, soldering, etc and found nothing different than the y axis.
Very disappointing.. Analog output resistance is uneven and non-repeatable. Only really suitable to indicate left/right or up/down but useless for anything needing finer control.
At £7.42, this is fantasticand works just as expected with an ATtiny85. Only using it for full left/right/up/down movements and pressing the switch down. Works fine for that, although I could see detecting fine movements might not be so reliable. Actually mounting the switch into a box could be a challenge. You need some sort of boot and don't expect a seal around the base, as the button and collar are all hard plastic.