If a team member of the RED team occupies a point by pressing a button, a buzzer is launched, which announces a change in the point with a short beep. The times are displayed on an LCD character display measuring 16x2 or 20x4, which communicates with the control microcontroller via the I2C bus. In the extended version, it is also possible to set point neutralization (stopping the time of the active team at the point if a member of the other team holds the button at least 50% of the required time) The system does not respond to short presses. It is required to hold the button for a given time. The configurable Domination Timer responds to the length of the press, which is set in the configuration menu via an encoder. Switch buttons are used, not switch buttons (they would not react to the system logic, all software would always be "pressed"). Pressing the button feeds the GND signal to the Arduino digital input terminal (Active-LOW switching signal). Thus, a total of 2 buttons for 3 system entities, the switching buttons connected in the INPUT_PULLUP mode are used. ![]() There are 2 teams in the game - RED team and GRE team, which play against each other and occupy the imaginary point that is formed by this device - Domination Timer.Īt the beginning of the game, the display shows the times 00 hours, 00 minutes, 00 seconds for RED team, GRE team.īutton Domination Timer uses button input for the action of occupying a point by a team member, as well as for input of a referee entity. Chip controls whole Domination Timer settings, logic of stopwatch etc. Stopwatch is using Arduino microcontroller (with AtMega chip) or a it can use that chip stadalone. The second configurable parameter is the automatic end of the game to reach a certain number of hours of the stopwatch with the UNLIMITED option - when the stopwatch counts to infinity, or after the maximum display time on the display - 99 hours, 59 minutes, 59 seconds. This configurable parameter is implemented for the number of seconds. This parameter represents the required length of holding the button until the team successfully occupies the point. Through the items, it is possible to start the Domination Timer game mode, which responds to user buttons (inputs), or it is possible to set the time of team occupancy before the game in the configurable mode. ![]() After switching on the device, it is possible to switch between menu items on the display using the rotary encoder - KY-040. The stopwatch is equipped with a 16x2 / 20x4 LCD character display. ![]() Project description - Configurable Domination Timer:ĭomination Timer is a device - a stopwatch for sports such as Airsoft, Paintball, which allow you to measure the time of occupying a point with a resolution of seconds.
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