2.0 V / 3.4 V erkennen
100 Ohm Begrenzung
PWM-Output 3.5 V Startspannung
Analog-Input messen
3.5 V = keine LED angeschlossen
2.0 V ~ LED 2 V
3.3 V ~ LED 3.4 V
3.33 V Zielspannung für 3.4 V
1.93 V Zielspannung für 2.0 V
7x 3.4 LED = 22.9 mA 5.00 V (3.32)
6x 3.4 LED = 21.3 mA 4.80 V (3.33)
5x 3.4 LED = 17.3 mA 4.60 V (3.33)
4x 3.4 LED = 13.9 mA 4.35 V (3.33)
3x 3.4 LED = 10.5 mA 4.10 V (3.33)
2x 3.4 LED = 7.05 mA 3.85 V (3.33)
1x 3.4 LED = 3.43 mA 3.58 V (3.33)
3x 2.0 LED = 29.60 mA 4.10 V (1.93)
2x 2.0 LED = 21.40 mA 3.50 V (1.93)
1x 2.0 LED = 10.50 mA 2.70 V (1.93)
3x Analog-Input = 4x 10 kOhm
3x PWM-Output = 9x 220 Ohm
21 LED (3x7) bzw. 9 LED (3x3) * Licht
4x Output = 8x 1 kOhm
4 LED (4x1) * Ampeln