MIKROE-2552

MIKROE-2552 Datasheet


PID MIKROE-2552

Part Datasheet
MIKROE-2552 MIKROE-2552 MIKROE-2552 (pdf)
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Tamper 2 click

PID MIKROE-2552

Weight 23 g

Tamper 2 click contains a levered D2HW-A221D switch by Omron, which outputs signal in both positions - pressed and released. Omron switches, also known as microswitches, are well renowned for their reliability and endurance. The PCB of this click is designed so that the lever of the microswitch is easily accessible, making the click useful for all kinds of different applications, where precise, two position switches are required. Both the NO Normally Open and NC Normally Closed pins of the microswitch are routed to mikroBUS , so it can be easily connected to the microcontroller.

Switches of this kind are widely used in many different applications. The most common use of the Tamper 2 click is door opening or closing detection, detecting the end of travel of a linear actuator, a Morse code input device and so on.

How does it work?

Tamper 2 click contains a levered D2HW-A221D microswitch by Omron, specifically positioned on the board so it is easily accessible for interacting with various objects that could press the lever, 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 also has both NC and NO contacts routed to the mikroBUS so both states of the switch can be detected. Both lines are equipped with the RC filters, which serve as debouncing elements for the switch and also to pull down 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.

The switch itself is very endurable and its rated up to 42VDC / 0.5A, also can endure a very high number of switching cycles up to

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.

Specifications

Type

Button

Door opening or closing detection, detecting the end of travel of a linear actuator, a Morse code input device, etc.
modules
switch by Omron

Key Features

Omron microswitch, high mechanical and electrical durability, debouncing features

Interface

GPIO

Input Voltage 3.3V or 5V

Click board size S x mm

Pinout diagram

This table shows how the pinout on Tamper 2 click corresponds to the pinout on the mikroBUS socket the latter shown in the two middle columns .

Notes

Notes

Normally closed NCL 1 AN

NC 2 RST

NC 3 CS

NC 4 SCK

NC 5 MISO SCL

NC 6 MOSI SDA

Power supply 3V3 7 3.3V

Ground

GND 8 GND

Tamper 2 click electrical specifications

Min Typ Max Unit

Contact resistance

Mechanical durability 30 operations/min
1 milion cycles

Electrical durability 20 operations/min
10000 cycles
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Datasheet ID: MIKROE-2552 649371