Soldering exercise - Digital clock / alarm clock 6 bit (SFT-CK302)

1. Key description

• S1: Function button (for switching between functions)
• S2: Set button (for changing values or options)
• S3: Increase button (for increasing values)

2. Setting mode

• Press S1 briefly to switch between the main functions.
• Press and hold S1 for longer than 2 seconds to return to the normal display.

3. Clock function

• After switching on, the time 10:10:00 is displayed.

4. Setting the time (calibration)

• Press S1 once briefly, the display starts to flash.
• Press S2 to set the hour.
• Press S3 to set the minute.
• The seconds cannot be set.
• Press S1 to exit the settings and return to the normal display.

5. Alarm clock function

• Press S1 twice in succession to switch to alarm clock mode.
• The display shows the alarm time, e.g. 22:10:00, and the colons flash.
• Press S2 to set the alarm hour.
• Press S3 to set the alarm minute.
• Seconds cannot be set.
• If you set the hour to 24 or higher, the alarm clock is switched off (display: -:-:-).
• The alarm tone (buzzer) sounds for approx. 3 seconds.

6. Countdown function

• Press S1 three times in succession to call up the countdown mode.
• The screen shows 0, the remaining digits are off.
• Press S2 to move the adjustable digit from right to left (up to 6 digits).
• Press S3 to increase the value of the selected digit by 1 (from 0 to 9).
• After the sixth press of S2, the countdown starts automatically.
• To stop the countdown, press S2 again while the countdown is running.

7. Stopwatch function

• Press S1 four times in succession to start the stopwatch.
• The screen displays 00:00:00.
• Press S2 to start the stopwatch.
• Press S2 again to stop the stopwatch.
• Press S3 to reset the counter to 00:00:00.

8. Counter function

• Press S1 five times in succession to enter counter mode.
• The screen displays 00:00:00.
• Press S2 to increase the counter by 1.
• Press S3 to reset the counter to 00:00:00.

9. Output for buzzer (CJ02)

• The CJ02 pins are the connections for the external buzzer.

10. Output signal (CJ03)

• The CJ03 pins are the output connection.
• When the buzzer is switched off, a low level is present.
• A high level is present when the buzzer is switched on.

Scope of delivery:

1x soldering exercise - Digital clock / alarm clock 6 bit (SFT-CK302)