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Type-c interface chip CH340. Support external 5V~12V. 8 analog input ports: TX, RX, D2~D13. 1 pair of TTL level serial transceiver port RX/TX. 6 PWM ports: D3, D5, D6, D9, D10, D11. Am 15.12.2022 hat der Verkäufer die folgenden Angaben hinzugefügt.
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