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how do I connect Arduino Uno R3 PINOUT and U1?
juancitonoviodechar

juancitonoviodechar

@copilot how do I connect Arduino Uno R3 PINOUT and U1?
1y

copilot

Sure, I'll help you make the connections between the Arduino Uno R3 and the MAX30102EFD+T (U1).
Given the typical I2C interface used for the MAX30102 sensor, we'll focus on the necessary power and I2C pins. Here are the connections you typically need to make:
  1. Power Supply:
    • Connect Arduino Uno $3V3$ to U1:VDDU1:VDD (pin 11)
    • Connect Arduino Uno $GND$ to U1:GNDU1:GND (pin 12)
  2. I2C Interface:
    • Connect Arduino Uno $SCL$ to U1:SCLU1:SCL (pin 2)
    • Connect Arduino Uno $SDA$ to U1:SDAU1:SDA (pin 3)
  3. Interrupt Pin (if you plan to use it):
    • Connect Arduino Uno digital pin (e.g., $D2$) to U1:∼INTU1:\sim INT (pin 13)
  4. LED Power Supply:
    • Connect $+5V$ to U1:VLED+U1:VLED+ (pins 9 and 10)
Here is a detailed list of the connections:
  • Connect Arduino Uno R3 $3V3$ to U1:VDDU1:VDD.
  • Connect Arduino Uno R3 $GND$ to U1:GNDU1:GND.
  • Connect Arduino Uno R3 $SCL$ to U1:SCLU1:SCL.
  • Connect Arduino Uno R3 $SDA$ to U1:SDAU1:SDA.
  • Connect any available digital pin (e.g., $D2$) on Arduino Uno R3 to U1:∼INTU1:\sim INT.
  • Connect $+5V$ to U1:VLED+U1:VLED+.
Make sure to adjust the specific pins according to your particular project setup. If you need more guidance or have specific requirements, feel free to ask!
1y
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    Template for Arduino Uno R3 Shield. Include an official pinout so you will always know Arduino names, the alternative roles of pins, which one is SDA, or SCL, etc. On PCB you can find the 3D model of the Arduino Uno R3 itself along with the board outline on the silkscreen. #Arduino #Uno #Shield #Template #project-template #project

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