# Arduino-UNO-R3 (Component) ## Description Arduino Digital IR Sensor Integration with Schmitt-Trigger Conditioning ## Component Details - **Owner:** jecstronic - **Created:** 8/16/2022 - **Last Updated:** 8/18/2023 - **Visibility:** Public - **System Architecture:** graph TD PT[Phototransistor] -- Collector --> S(Sensor Node) S -- Pull-up (10 kΩ) --> VCC[+5V] S -- Input --> INV_IN(74HC14 Inverter Input) INV_IN -- Output --> INV_OUT(74HC14 Output) INV_OUT -- Digital OUT --> D2[Arduino D2 Pin] PT -- Emitter --> GND[GND] 74HC14 VCC --|Decoupling 100 nF|-- 74HC14 GND 74HC14 VCC --> VCC[+5V] 74HC14 GND --> GND[GND] - **Manufacturer Name:** Arduino - **Manufacturer Part Number:** Arduino-UNO-R3 - **Datasheet URL:** https://media.digikey.com/pdf/Data%20Sheets/Arduino%20PDFs/A000066_Web.pdf - **Part Type:** Development Board - **License:** https://creativecommons.org/licenses/by/4.0/ - **Used in:** 3628 projects - **Stars:** 33 - **Forks:** 33 - **Part Type:** Development Boards - **Manufacturer:** Arduino - **MPN:** Arduino-UNO-R3 - **Pin Count:** 32 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | NC | | | 2 | IOREF | | | 3 | RESET | | | 4 | +3V3 | | | 5 | +5V | | | 6 | GND | | | 7 | GND | | | 8 | VIN | | | 9 | D14/A0 | | | 10 | D15/A1 | | | 11 | D16/A2 | | | 12 | D17/A3 | | | 13 | D18/A4 | | | 14 | D19/A5 | | | 15 | D0/RX | | | 16 | D1/TX | | | 17 | D2 | | | 18 | D3 | | | 19 | D4 | | | 20 | D5 | | | 21 | D6 | | | 22 | D7 | | | 23 | D8 | | | 24 | D9 | | | 25 | D10 | | | 26 | D11 | | | 27 | D12 | | | 28 | D13 | | | 29 | GND | | | 30 | AREF | | | 31 | D18/SDA | | | 32 | D19/SCL | | --- *Generated from [https://www.flux.ai/jecstronic/arduino-uno-r3~kf3](https://www.flux.ai/jecstronic/arduino-uno-r3~kf3)*