Circuit Documentation

Summary

This document provides a detailed overview of a custom circuit design. The circuit includes a microcontroller, sensors, an OLED display, an RGB LED strip, a step-up boost converter, a lithium-ion battery, and a toggle switch. The components are interconnected to achieve specific functionalities such as proximity sensing, motion detection, and visual output.

Component List

1. Adafruit QT Py RP2040

   • Description: A compact microcontroller board based on the RP2040 chip.
   • Pins: A0, A1, A2, A3, SDA, SCL, TX, RX, SCK, MISO, MOSI, +3V3, GND, +5V, SDA1, SCL1

2. OLED 1.3"

   • Description: A 1.3-inch OLED display for visual output.
   • Pins: GND, VCC, SCL, SDA

3. Adafruit APDS9960 Proximity Sensor

   • Description: A sensor for proximity, ambient light, RGB, and gesture detection.
   • Pins: VCC, 3.3V, GND, SCL, SDA, INT

4. WS2812 RGB LED strip

   • Description: An addressable RGB LED strip for visual effects.
   • Pins: DIN, 5V, GND, DO

5. Step Up Boost 3v-5v

   • Description: A step-up boost converter to convert 3V to 5V.
   • Pins: Vi, GND, Vo

6. Polymer Lithium Ion Battery - Generic

   • Description: A generic lithium-ion battery for power supply.
   • Pins: GND, VCC

7. InvenSense MPU6050

   • Description: A 6-axis motion tracking device combining a 3-axis gyroscope and a 3-axis accelerometer.
   • Pins: VCC, GND, SCL, SDA, XDA, XCL, AD0, INT

8. Toggle Switch

   • Description: A simple toggle switch for user input.
   • Pins: L1, COM, L2

Wiring Details

Adafruit QT Py RP2040

• A0: Connected to DIN of WS2812 RGB LED strip
• SDA: Connected to SDA of Adafruit APDS9960 Proximity Sensor, InvenSense MPU6050, and OLED 1.3"
• SCL: Connected to SCL of Adafruit APDS9960 Proximity Sensor, InvenSense MPU6050, and OLED 1.3"
• +3V3: Connected to VCC of Adafruit APDS9960 Proximity Sensor, InvenSense MPU6050, OLED 1.3", and Vi of Step Up Boost 3v-5v
• GND: Connected to GND of Adafruit APDS9960 Proximity Sensor, WS2812 RGB LED strip, InvenSense MPU6050, Step Up Boost 3v-5v, Polymer Lithium Ion Battery, and OLED 1.3"

OLED 1.3"

• GND: Connected to GND
• VCC: Connected to +3V3
• SCL: Connected to SCL
• SDA: Connected to SDA

Adafruit APDS9960 Proximity Sensor

• SDA: Connected to SDA
• SCL: Connected to SCL
• VCC: Connected to +3V3
• GND: Connected to GND

WS2812 RGB LED strip

• DIN: Connected to A0
• 5V: Connected to Vo of Step Up Boost 3v-5v
• GND: Connected to GND

Step Up Boost 3v-5v

• Vi: Connected to +3V3
• GND: Connected to GND
• Vo: Connected to 5V of WS2812 RGB LED strip

Polymer Lithium Ion Battery - Generic

• GND: Connected to GND
• VCC: Connected to COM of Toggle Switch

InvenSense MPU6050

• SDA: Connected to SDA
• SCL: Connected to SCL
• VCC: Connected to +3V3
• GND: Connected to GND

Toggle Switch

• L1: Connected to VCC of Adafruit APDS9960 Proximity Sensor, InvenSense MPU6050, OLED 1.3", and Vi of Step Up Boost 3v-5v
• COM: Connected to VCC of Polymer Lithium Ion Battery

Code

No code is provided for this circuit.

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This document provides a comprehensive overview of the circuit design, including a detailed list of components and their interconnections. This should serve as a useful reference for understanding and replicating the circuit.