Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an STM32F103C8T6 microcontroller, a China ST7735S 160x128 display, an Adafruit AS7262 Visible Spectral Sensor, an AS7261 sensor, and two pushbuttons. The document includes a component list, wiring details, and documented code for the microcontrollers.

Component List

STM32F103C8T6

• Description: A 32-bit ARM Cortex-M3 microcontroller.
• Pins: GND, 3.3V, reset, B11, B10, B1, B0, A7, A6, A5, A4, A3, A2, A1, A0, C15, C14, C13, VBT, 3.3, 5V, B12, B13, b14, B15, A8, A9, A10, A11, A12, A15, B3, B4, B5, B6, B7, B8, B9, SWIO, SWCLK

China ST7735S 160x128

• Description: A 160x128 pixel color display.
• Pins: GND, VCC, SCL, SDA, RES, DC, CS, BL

Adafruit AS7262 Visible Spectral Sensor

• Description: A sensor for visible spectral analysis.
• Pins: VIN, GND, 3.3V, RX/SCL, TX/SDA, RESET, INT, LED

AS7261

• Description: A sensor for spectral analysis.
• Pins: Int, RST, GND, Tx, Rx, SCL, SDA, 3V3

Pushbutton (1)

• Description: A simple pushbutton.
• Pins: Pin 3 (out), Pin 4 (out), Pin 1 (in), Pin 2 (in)

Pushbutton (2)

• Description: A simple pushbutton.
• Pins: Pin 3 (out), Pin 4 (out), Pin 1 (in), Pin 2 (in)

Wiring Details

STM32F103C8T6

• GND is connected to:

  • Pushbutton (2) Pin 4 (out)
  • AS7261 GND
  • Adafruit AS7262 Visible Spectral Sensor GND
  • China ST7735S 160x128 GND

• 3.3V is connected to:

  • AS7261 3V3
  • Adafruit AS7262 Visible Spectral Sensor 3.3V

• B1 is connected to:

  • China ST7735S 160x128 RES

• B0 is connected to:

  • China ST7735S 160x128 DC

• A7 is connected to:

  • China ST7735S 160x128 SDA

• A6 is connected to:

  • Pushbutton (2) Pin 1 (in)

• A5 is connected to:

  • China ST7735S 160x128 SCL

• A4 is connected to:

  • China ST7735S 160x128 CS

• A3 is connected to:

  • AS7261 Tx

• A2 is connected to:

  • AS7261 Rx

• 3.3 is connected to:

  • China ST7735S 160x128 VCC

• 5V is connected to:

  • China ST7735S 160x128 BL

• A9 is connected to:

  • Adafruit AS7262 Visible Spectral Sensor RX/SCL

• A10 is connected to:

  • Adafruit AS7262 Visible Spectral Sensor TX/SDA

China ST7735S 160x128

• GND is connected to:

  • STM32F103C8T6 GND

• VCC is connected to:

  • STM32F103C8T6 3.3

• SCL is connected to:

  • STM32F103C8T6 A5

• SDA is connected to:

  • STM32F103C8T6 A7

• RES is connected to:

  • STM32F103C8T6 B1

• DC is connected to:

  • STM32F103C8T6 B0

• CS is connected to:

  • STM32F103C8T6 A4

• BL is connected to:

  • STM32F103C8T6 5V

Adafruit AS7262 Visible Spectral Sensor

• GND is connected to:

  • STM32F103C8T6 GND

• 3.3V is connected to:

  • STM32F103C8T6 3.3V

• RX/SCL is connected to:

  • STM32F103C8T6 A9

• TX/SDA is connected to:

  • STM32F103C8T6 A10

AS7261

• GND is connected to:

  • STM32F103C8T6 GND

• 3V3 is connected to:

  • STM32F103C8T6 3.3V

• Tx is connected to:

  • STM32F103C8T6 A3

• Rx is connected to:

  • STM32F103C8T6 A2

Pushbutton (1)

• Pin 4 (out) is connected to:
  • STM32F103C8T6 GND

Pushbutton (2)

• Pin 1 (in) is connected to:
  • STM32F103C8T6 A6

Documented Code

STM32F103C8T6

sketch.ino

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

documentation.txt

China ST7735S 160x128

sketch.ino

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

documentation.txt