DIY Force Sensing Joysticks Are A Low cost Approach To Go

Traditional joysticks usually use potentiometers or corridor impact sensors to find out the displacement of the stick itself when moved by the operator. Force-sensing joysticks are thought-about extra fascinating for sure functions like side-stick flight simulators, as a result of they measure the power utilized as an alternative, as per the identify. They may be costly to purchase off-the-shelf, however you may construct an inexpensive set by yourself if you already know what you’re doing, as [tekasza] demonstrates.
The construct that [tekasza] put collectively relies across the Teensy 4.0 microcontroller. It’s set as much as learn a collection of load cells that decide the power utilized to the stick within the X and Y axes. The cells are wired as much as HX711 load cell amplifiers to allow them to be simply learn by the microcontroller. The Teensy does the work to take the load cell readings and convert them into axis outputs for a USB HID sport controller, permitting the stick for use with nearly any sport or simulator available on the market. [tekasza] has the stick built-in with pedals in addition to a complete bunch of buttons and switches to manage different simulator options, constructed up right into a full seated sim setup.
If you’ve ever needed to make use of a force-sensitive stick like fashionable fighter pilots do, this construct could possibly be very related to your pursuits. We’ve also seen plenty of other great sim hardware builds in recent years, too.
[Thanks to John for the tip!]
