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Hardware Specifications

ESP32-S3 Based Development Kit with Professional Audio & Expansion Capabilities

Hardware Overview ESP32-S3 Processor Microphone LCD Display USB-C Control Buttons Extension Board
🔍 Click image to enlarge - Complete hardware overview
Overview Processor Audio Display Interfaces Buttons Extensions

Technical Specifications

Hardware specifications in nutrition label format for easy comparison

HARDWARE SPECIFICATIONS
Core Processor
ESP32-S3 Microcontroller Dual-Core
CPU Architecture Xtensa LX7
Clock Speed 240MHz
SRAM Memory 512KB
Flash Storage 16MB
Wireless Connectivity
WiFi Standard 802.11 b/g/n
Frequency Band 2.4GHz
Transmission Range 100+ meters
Security WPA3/WPA2
Bluetooth Connectivity
Bluetooth Version Bluetooth 5
Low Energy Support BLE Enabled
Range 50+ meters
Profiles Multiple Standards
Audio System
Audio Quality Professional
Amplifier MAX98357
Microphone INMP441 Digital
Speaker Power 3W Impedance
Audio Protocol I2S High-Fidelity
Display & Interface
Display Type OLED Full Color
Screen Size 2 inch
Resolution 240 x 320 pixels
USB-C Ports 2x USB-C
GPIO Pins 45 GPIO
Hardware Buttons 3x Physical
Power & Expansion
Power Supply USB-C 5V
Logic Voltage 3.3V
Extension Boards Multiple Options
Power Modes Low Power Design
* All specifications are typical values at room temperature.
** Extension capabilities depend on selected expansion boards.

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