Keylock click

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  • MIKROE-2564
  • MIKROE-2564
Keylock click  carries a processed sealed key lock mechanism that can be set in... more
Product information "Keylock click"

Keylock click carries a processed sealed key lock mechanism that can be set in three different positions. The click is designed to run on either 3.3V or 5V power supply. It communicates with the target microcontroller over the PWM, INT, and AN pin on the mikroBUS™ line.

The key can be removed from the lock in any of the three positions. The package contains two keys and one protective cap. 

Keylock features

The contact mechanism provides unequaled logic-level reliability and smoother, positive detent actuation.

Detent mechanism, with its spring-operated steel ball, gives crisp, positive action for accurate switch setting.


Type Joystick
Applications Use the three different positions of the mechanism to turn applications on or off, for home security applications, for industrial equipment, etc.
On-board modules Keylock switch with 3 positions
Interface GPIO
Input Voltage 3.3V or 5V
Click board size S (28.6 x 25.4 mm)

Pinout diagram

This table shows how the pinout on Keylock click corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).

NotesPinMikrobus logo.pngPinNotes
Output position 1 1 1 AN PWM 16 2 Output position 2
  NC 2 RST INT 15 3 Output position 3
  NC 3 CS TX 14 NC  
  NC 4 SCK RX 13 NC  
  NC 5 MISO SCL 12 NC  
  NC 6 MOSI SDA 11 NC  
Power supply +3.3V 7 3.3V 5V 10 +5V Power supply
Ground GND 8 GND GND 9 GND Ground


Code examples for Keylock click, written for MikroElektronika hardware and compilers are available on Libstock.

Code snippet

This is a simple example of how Keylock click works, depending on the state of the Keylock click the appropriate position will be detected.

01 uint8_t state;
02 char txt[20];
04 void systemInit()
05 {
06     ANCON0 = 0x00;
07     ANCON1 = 0x00;
08     ANCON2 = 0x00;
09    UART1_Init(9600);
10 }
12 void Keylock_Init()
13 {
14     KEYLOCK_STATE_1_Direction = 1;
15     KEYLOCK_STATE_2_Direction = 1;
16     KEYLOCK_STATE_3_Direction = 1;
17 }
19 void Keylock_Task()
20 {
21     state =  KEYLOCK_STATE_1*1 + KEYLOCK_STATE_2*2 + KEYLOCK_STATE_3*3;
22     UART1_Write_text("Keylock is in state:");
23     IntToStr(state,txt) ;
24     UART1_Write_Text(txt);
25     UART1_Write_Text( "rn" );
26     delay_ms(500);
27 }
29 void main()
30 {
31     systemInit();
32     Keylock_Init();
34    while( 1 )
35     {
36             Keylock_Task();
37     }
38 }


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