Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an ESP32 microcontroller, a 0.96" OLED display, and two pushbuttons. The ESP32 serves as the main controller, interfacing with the OLED display for visual output and the pushbuttons for user input.

Component List

1. ESP32 One

   • Description: A versatile microcontroller with built-in Wi-Fi and Bluetooth capabilities.
   • Pins: LED_21, Y5_35, Y2_34, NC, GND, Y4/SCLK_14, MISO_12, Y3/MOSI_13, 3V3, I/O_2, CS2_15, I/O_19, HREF_27, LRC_32, Y9_36, SCL_23, SDA_18, DAC/PCLK_25, ADC_33, Y8_37, Y7_38, CS1_22, CS0_5, I/O_0, XCLK_4, Y6_39, BCLK_26, RXD_3, TXD_1, 5V

2. 0.96" OLED

   • Description: A small OLED display used for visual output.
   • Pins: GND, VDD, SCK, SDA

3. Pushbutton 1

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

4. Pushbutton 2

   • Description: Another simple pushbutton used for user input.
   • Pins: Pin 3 (out), Pin 4 (out), Pin 1 (in), Pin 2 (in)

Wiring Details

ESP32 One

• GND is connected to:

  • GND of 0.96" OLED
  • Pin 1 (in) of Pushbutton 1
  • Pin 1 (in) of Pushbutton 2

• I/O_2 is connected to:

  • Pin 3 (out) of Pushbutton 1

• I/O_19 is connected to:

  • Pin 3 (out) of Pushbutton 2

• 3V3 is connected to:

  • VDD of 0.96" OLED

• SCL_23 is connected to:

  • SCK of 0.96" OLED

• SDA_18 is connected to:

  • SDA of 0.96" OLED

0.96" OLED

• GND is connected to:

  • GND of ESP32 One
  • Pin 1 (in) of Pushbutton 1
  • Pin 1 (in) of Pushbutton 2

• VDD is connected to:

  • 3V3 of ESP32 One

• SCK is connected to:

  • SCL_23 of ESP32 One

• SDA is connected to:

  • SDA_18 of ESP32 One

Pushbutton 1

• Pin 1 (in) is connected to:

  • GND of ESP32 One
  • GND of 0.96" OLED
  • Pin 1 (in) of Pushbutton 2

• Pin 3 (out) is connected to:

  • I/O_2 of ESP32 One

Pushbutton 2

• Pin 1 (in) is connected to:

  • GND of ESP32 One
  • GND of 0.96" OLED
  • Pin 1 (in) of Pushbutton 1

• Pin 3 (out) is connected to:

  • I/O_19 of ESP32 One

Code

No code is provided for this circuit.