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MIKROE Joystick 2 Click

Joystick 2 Click is a smart navigation key concept based on SKRHABE010 by Alps, a 4-direction joystick switch with Center-push Function. Alps switches, also known as microswitches, are well renowned for their reliability and endurance. Joystick switches of this kind are widely used in many different applications. Joystick 2 Click can be used in numerous different applications, as a human-machine interface device (HMI), such as cell phones, tablets, terminals, video games, toys, and many more.

Joystick 2 Click board™ is supported by a mikroSDK compliant library, which includes functions that simplify software development.

Joystick 2 Click includes the SKRHABE010 by Alps, which is the omni directional joystick switch with center-push function. The mentioned joystick switch have 5 output pins – each for a single switch direction. With its body height of 1.85mm, it is very easy to implement it in various designs and thanks to the simple principles of operation, users have the ability to adapt it in a desired way. Its long-life (of 1 million life cycles) guarantees the rigidity and durability of the product.

Joystick 2 Click contains a SKRHABE01, a 4-direction joystick switch with Center-push Function by Alps. It is positioned on the board so it is easily accessible for interacting and the lever could be pressed, activating the microswitch that way. The microswitch is actuated by applying very little physical force, using a tipping-point mechanism which results in fast and reliable snap-in action. It has both NO (Normal open) contacts routed to the mikroBUS™ over the port expander. The switch lines are equipped with the RC filters, which serve as debouncing elements for the switch and also to pull-up the lines when they are left afloat. This way, the contact bouncing is reduced even further, resulting in an accurate detection of the switching event.

As already mentioned above, this Click board™ contains the port expander, relatively large number of needed GPIO pins for the joystick switch. Used IC is PCA9538A, Low-voltage 8-bit I2C-bus I/O port with interrupt and reset, from NXP Semiconductors. It uses the I2C communication for interfacing with the main MCU, which simplifies the number of needed pins, and therefore the design itself. The Active LOW reset input (RESET) and Open-drain active LOW interrupt output (INT) pins helps simplifying the design even further.

The Click board™ also features an onboard jumper selector, which is used to select the voltage level that is connected to the microswitch input pin, making it usable for both 3V3 and 5V capable microcontoller pins.

  • Interface: GPIO, I2C
  • Compatibility: mikroBUS™
  • Dimensions: 42.9 x 25.4mm
  • Input Voltage: 3.3V or 5V
  • Contact resistance: 100mΩ
  • Mechanical durability (30 operations/min): 1 million cycles

MIKROE Joystick 2 Click Product Help and Resources

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