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SunFounder ESP32 User Manual

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SunFounder ESP32 Starter Kit
Code
Note:
• Open the 2.4_74hc595.ino file under the path of esp32-starter-kit-main\c\codes\2.4_74hc595.
• After selecting the board (ESP32 Dev Module) and the appropriate port, click the Upload button.
• Always displaying “Unknown COMxx”?
When you finish uploading the codes to the ESP32 board, you can see the LEDs turning on one after another.
How it works?
1. Declare an array, store several 8 bit binary numbers that are used to change the working state of the eight LEDs
controlled by 74HC595.
1.8. 2.4 Microchip - 74HC595 33

Table of Contents

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SunFounder ESP32 Specifications

General IconGeneral
MicrocontrollerESP32
Clock SpeedUp to 240MHz
Flash Memory4MB
SRAM520KB
Wi-Fi802.11 b/g/n
GPIO Pins36
ADC12-bit
PWM Channels16
Operating Voltage3.3V
DC Current per I/O Pin40mA
USBMicro USB
BluetoothBluetooth 4.2 BR/EDR and BLE
Analog Input Pins18
DAC Pins2
CPUXtensa dual-core 32-bit LX6