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Timer to controll UV box, STM8S103 and sdcc
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marcin-bawolski/led-timer
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Simple seconds counter with three 7-segments digits. Basic $2 board with STM8S103F4, reset micro USB conenctor and SWID interface used. Hardware connections: LED: Anodes (digits): 0 GPIOC.3 / singles digits / 1 GPIOC.4 / tenths / 2 GPIOC.5 / hundredths / LED Anodes are connected to +5V via PNP transistor driven from pins as above Segments: a: GPIOB.4 b: GPIOB.5 c: GPIOD.2 d: GPIOD.3 e: GPIOD.4 f: GPIOC.6 g: GPIOC.7 Encoder: Pin A GPIOA.1 (switches to GND, internal STM8S pull-ups used) Pin B GPIOA.2 Encode Switch: GPIOD.6 (switches to GND, internal STM8S pull-ups used)
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