1. 0. K. 1. 0. K. 100n. 1u. 1K. 1K. 1K. 1K. 22R. 22R. 22R. 22R. 1u. 1M. 1. 6. M. H z. 1. 6. M. H z. T. S. 4. 2. 2. 2 p. 2. 2 p. 2. 2 p. 2. 2 p. G. N.
(AIN1)PD7. 13. (AIN0)PD6. 12. (T1)PD5. 11. (T0)PD4. 6. (INT1)PD3. 5. (INT0)PD2. 4. (TXD)PD1. 3. (RXD)PD0. 2. GND. 8. VCC. 7. AVCC. 20. AREF. 21.
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Arduino UNO SMD. 4. Reference Designs ARE PROVIDED "AS IS" AND "WITH ALL FAULTS. Arduino DISCLAIMS ALL OTHER WARRANTIES EXPRESS OR IMPLIED
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 1. 2. PB5(SCK). 17. PB7(XTAL2/TOSC2). 8. PB6(XTAL1/TOSC1). 7. GND. 3.
(PCINT7/OCOA/OC1C/#RTS)PB7. (PCINT6/OC1B/OC4B/ADC13)PB6. (PCINT5/OC1A/#OC4B/ADC12)PB5. (ADC11/PCINT4)PB4. (PDO/MISO/PCINT3)PB3. (PDI/MOSI/PCINT2)PB2.
Internal Pin. SWD Pin. Digital Pin. Analog Pin. Other Pin. Microcontroller's Port. Default. Last update: 13/10/2021. STORE.ARDUINO.CC/UNO-REV3.
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The projects will have a circuit diagram to show the connections Arduino board itself—all projects use the Arduino Uno R3 version.
A0. 54. A1. 53. A2. 52. A3. 51. A4. 50. A5. 49. A6. 48. A7. 47. A8. 46. A9. 45. A10. 42. A11. 41. A12. 40. A13. 39. A14. 38. COLLED. 71. D0. 26. D1.