Circuit Documentation

Summary

This circuit integrates an Arduino MKR WiFi 1010, a 16x2 I2C LCD, an AD8232 HeartRate Monitor, and a Power Supply. The Arduino serves as the central microcontroller, interfacing with the heart rate monitor to read heart rate data and displaying it on the LCD. The power supply provides the necessary voltage levels for the components.

Component List

1. Arduino MKR WiFi 1010

   • Description: A microcontroller board based on the SAMD21 Cortex-M0+ 32-bit ARM processor with built-in WiFi.
   • Pins: A0, A1, A2, A3, A4, A5, A6, D0, D1, D2, D3, D4, D5, D6, D7, MOSI, SCK, MISO, SDA, SCL, RX, TX, RESET, GND, VCC, VIN, 5V

2. Power Supply

   • Description: Provides the necessary voltage levels for the circuit.
   • Pins: +, -

3. 16x2 I2C LCD

   • Description: A 16x2 character LCD display with I2C interface.
   • Pins: GND, VCC, SDA, SCL

4. AD8232 HeartRate Monitor

   • Description: A heart rate monitor sensor that provides analog output.
   • Pins: GND, 3.3v, OUTPUT, LO-, LO+, SDN, RA, LA, RL

Wiring Details

Arduino MKR WiFi 1010

• A5 connected to OUTPUT of AD8232 HeartRate Monitor
• D2 connected to LO- of AD8232 HeartRate Monitor
• D3 connected to LO+ of AD8232 HeartRate Monitor
• SDA connected to SDA of 16x2 I2C LCD
• SCL connected to SCL of 16x2 I2C LCD
• GND connected to GND of 16x2 I2C LCD, GND of AD8232 HeartRate Monitor, and - of Power Supply
• 5V connected to VCC of 16x2 I2C LCD

Power Supply

• + connected to 3.3v of AD8232 HeartRate Monitor
• - connected to GND of Arduino MKR WiFi 1010, GND of 16x2 I2C LCD, and GND of AD8232 HeartRate Monitor

16x2 I2C LCD

• GND connected to GND of Arduino MKR WiFi 1010, GND of AD8232 HeartRate Monitor, and - of Power Supply
• VCC connected to 5V of Arduino MKR WiFi 1010
• SDA connected to SDA of Arduino MKR WiFi 1010
• SCL connected to SCL of Arduino MKR WiFi 1010

AD8232 HeartRate Monitor

• OUTPUT connected to A5 of Arduino MKR WiFi 1010
• LO- connected to D2 of Arduino MKR WiFi 1010
• LO+ connected to D3 of Arduino MKR WiFi 1010
• GND connected to GND of Arduino MKR WiFi 1010, GND of 16x2 I2C LCD, and - of Power Supply
• 3.3v connected to + of Power Supply

Code

No code provided for this circuit.