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UM1733
2.2
Running the pre-loaded demonstration software
Follow the sequence below to launch the pre-loaded demonstration application:
1.
Connect the STM32F334 Discovery board (connector CN1) to a PC using the USB-
type-A to Mini-B cable to power the board. The red LED LD1 (PWR) and LD3 (COM)
light up, and fours LEDs (LD3, LD4, LD5 and LD6) blink continuously until button B1 is
pressed.
2.
Each click on user button B1 changes the executed function, follow the sequence
below (Function1 to Function4) to launch the demo application:
Function
1
2
3
4
Table 1. User button B1 functions
High brightness range
Automatic dimmer
(scans the entire brightness range)
Flash mode ON
Mode OFF
Manual dimmer
(brightness adjusted by maintaining B1 pushed)
DocID025933 Rev 1
Quick start
Signalling LED
LD3/LD6 indicates
up/down variation
LD4/LD5 blinking
LD3 to LD6 blinking
LD3/LD6 indicates
up/down variation
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