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You can build a portable music player around an ESP32-S3, but the design described here is a custom-board project—not a ready-made kit or a tested, finished product. It pairs a PCM5102A digital-to-analog converter (DAC) with a 2.8-inch display, microSD storage, five-way controls, and a Li-Po battery. The project repository provides a parts list and wiring assignments; it does not establish playback formats, sound quality, battery life, build cost, or safe charging performance. See the project’s README and wiring notes.
What this ESP32-S3 player design includes
The design combines the ESP32-S3 with storage, a display, physical controls, audio output, and battery-related circuitry. Its parts list points to a custom board rather than a build made by simply connecting a set of ready-to-use modules. The README names these components:
- ESP32-S3 chip and the support components needed around a bare chip
- PCM5102A DAC with a 3.5 mm jack
- 2.8-inch ILI9341 display without a PCB and an FPC display connector
- SDIO microSD slot and a 128 GB microSD card
- Five-way button
- Li-Po battery and charging regulator
- USB-C header, indicator LEDs, resistors, and capacitors
This is the repository author’s component plan, not a verified bill of materials. It does not establish that a particular display, connector, card, battery, or charger will work with every board or with one another. Confirm the exact part specifications before buying or assembling anything.
How the project connects its components
The following pin assignments are the project’s wiring design. They are not universal ESP32-S3 recommendations, and they should not be copied blindly to a different module or board.
#1 Best Overall
- 🔥【Dual Mode & High Performance】 The ESP32-S3 development board features integrated dual-core xtensa 32-bit LX7 microprocessor, clock speed up to 240 MHz, with 16MB Flash and 8 MB PSRAM. Perfect for Arduino IoT projects requiring stable wireless communication with ultra-low power consumption.
- 🔧【Easy Programming & Debugging】 Equipped with dual USB Type-C ports, this ESP32-S3 board supports both USB and UART modes for effortless programming, firmware flashing, and debugging.
- 🌐【Versatile Wireless Connectivity】 Built-in Wi-Fi (2.4GHz) and Bluetooth 5.0 (LE) dual-mode ensure seamless connectivity with a wide range of smart devices, making it ideal for IoT, smart homes projects.
- 🚀【Flexible Download Options】 Supports dual download methods — USB direct download or USB-to-serial download — offering flexibility and convenience for different development needs.Ideal for beginners and developers working with ESP32-S3.
- 🔋【Advanced Power-Saving Modes】 Designed for energy-efficient applications, with 3.3V SPI voltage, the ESP32-S3 board supports multiple low-power modes, allowing you to extend battery life based on different usage scenarios.
| Component or signal | Project assignment |
|---|---|
| ILI9341 display SPI clock | GPIO12 |
| ILI9341 display MOSI | GPIO11 |
| Display chip select | GPIO10 |
| Display data/command | GPIO9 |
| Display reset | GPIO48 |
| PCM5102A BCK | GPIO1 |
| PCM5102A DIN | GPIO41 |
| PCM5102A LRCK | GPIO42 |
| PCM5102A SCK | Ground, as specified by the project |
| microSD CLK | GPIO14 |
| microSD CMD | GPIO15 |
| microSD D0, D1, D2, D3 | GPIO2, GPIO4, GPIO47, GPIO21, respectively |
| Five-way control: up, down, previous/back, next, play/pause/shutdown | GPIO6, GPIO7, GPIO16, GPIO13, GPIO40, respectively |
| Battery-divider midpoint | An ADC-capable input; GPIO5 is given as an example |
Before adapting these connections, check the exact chip or module package and the board’s existing wiring. Espressif’s ESP32-S3 Series Datasheet, version 2.2 documents the chip’s pin multiplexing and peripheral routing. The datasheet confirms platform capabilities; it does not validate this player’s wiring or firmware.
What to check in the bare-chip and power circuitry
ESP32-S3 support components
The project notes call for 10 kΩ pull-ups on EN and GPIO0, a 1 µF capacitor from EN to ground, and reset and boot button connections. These details matter because the design uses an ESP32-S3 chip rather than assuming a development board already includes all required support circuitry. Verify the implementation against the chip and board documentation before laying out or powering a board.
Rank #2
- ESP32-S3-DevKitC-1-N16R8 SPI voltage: 3.3v, ESP32-S3-DevKitC-1 is an entry-level development board equipped with Wi-Fi + Bluetooth module ESP32-S3
- Most of the I/O pins on the module are broken out to the pin headers on both sides of this board for easy interfacing. Developers can either connect peripherals with jumper wires or mount ESP32-S3-DevKitC on a breadboard.
- The ESP32-S3-DevKitC development board equipped with ESP32-S3-DevKitC-1-N16R8, a general-purpose Wi-Fi + Bluetooth LE MCU module that integrates complete Wi-Fi and Bluetooth LE functions.
- ESP32-S3-N16R8 cable can be used: USB Type A to Type-C cable or CC cable Note the distinction between the commonly used USB A port to Type-C cable that can only be charged, which cannot be used for communication between YD-ESP32-S3 and the host.
- USB-to-UART Port and ESP32-S3 USB Port (either one or both), default power supply (recommended)
Battery monitoring
The README shows a battery-level divider using two 100 kΩ resistors and a 0.1 µF filter capacitor, with the divider midpoint connected to an ADC-capable input such as GPIO5. This describes a measurement circuit; it does not establish battery runtime or validate the complete power design.
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Li-Po charging and USB-C
The repository’s charging and USB wiring notes are terse. They mention a charging regulator and a 1.2 kΩ resistor, plus a USB-C header with 5.1 kΩ, but do not establish battery chemistry details, charging-current limits, thermal behavior, protection requirements, or safe operation. Do not treat those notes as a standalone charging circuit specification. Before connecting a Li-Po cell, consult the documentation for the exact charger, battery, protection circuitry, and board, and confirm that the complete design is appropriate for those parts.
Rank #3
- 【Low-power performance】: The AYWHP ESP32-S3 Core development board integrates a 2.4 GHz Wi-Fi and Bluetooth 5 (LE) dual-mode communication module, perfect for Arduino Internet of Things (IoT) projects.
- 【Simple programming and debugging】: The ESP32-S3 module makes it easy to program and burn in your ESP32-S3 board via dual USB Type-C ports, with a choice of USB or UART modes.
- 【Multiple Power Saving Modes】: The ESP S3 development board supports multiple low-power modes, which can be configured according to different application scenarios to provide longer battery life.
- 【Dual download modes】: The ESP S3-1 module supports both USB direct connection download and USB to serial port download, providing more flexibility and convenience.
- 【Diverse connectivity options】: The ESP32-S3-1 supports dual-mode Wi-Fi and Bluetooth 5.0 (LE) connectivity for a wide range of smart devices, making it ideal for Internet of Things (IoT) applications.
Build expectations and unresolved questions
The project repository is the source for its own parts list and connections, but the available documentation does not establish a finished, tested player. In particular, it does not state:
- Which audio file formats the firmware supports
- Measured audio quality or suitable headphone impedance
- Battery runtime, charging performance, or operating temperatures
- Actual build cost or current availability of the listed parts
- Whether the firmware uses wireless features
The ESP32-S3 platform includes Wi-Fi and Bluetooth Low Energy capabilities, as documented by Espressif, but that alone does not mean this player’s firmware uses them or supports Bluetooth audio.
Rank #4
- 【ESP32-S3 PERFORMANCE】Dual-core 240MHz processor with 16MB Flash and 8MB PSRAM for IoT, AI, and machine learning projects.
- 【WIRELESS CONNECTIVITY】Onboard antenna for 2.4GHz WiFi and Bluetooth 5.0 LE — for smart home devices, no external antenna needed.
- 【LEAD-FREE GOLD EDITION DESIGN】Immersion gold (ENIG) plating for durability and conductivity. Lead-free, RoHS-compliant — for long-term prototyping.
- 【PRE-SOLDERED, PLUG-IN DESIGN】ESP32-S3 boards come with pre-soldered headers and plug directly into the included expansion and terminal boards — no soldering required.
- 【MULTI-PLATFORM COMPATIBILITY】Works with C++, MicroPython, ESP-IDF, Raspberry Pi, and STM32 — with online tutorials for quick start. Power via USB-C (5V) or VIN pin (5–12V); do not exceed 5V on the USB-C ports.
How other ESP32-S3 player designs differ
A separate project takes a different approach, with a 1.14-inch TFT, WM8978 codec, NS4150B amplifier, RTC, USB Type-C, microSD/TF expansion, and a different charging arrangement. Its documentation specifies a particular ESP32S3 development-module configuration and Arduino environment. These are architectural differences, not evidence that its components can be substituted into the 2.8-inch ILI9341 design.
| Design aspect | ESP32-DAP project | Separate ESP32-S3 player project |
|---|---|---|
| Display | 2.8-inch ILI9341; FPC connector | 1.14-inch TFT |
| Audio hardware | PCM5102A DAC with 3.5 mm jack | WM8978 codec and NS4150B amplifier |
| Storage | SDIO microSD slot; 128 GB card listed | microSD/TF expansion |
| Other listed hardware | Five-way control and battery-level divider | RTC and USB Type-C |
| Firmware/build documentation | Not established in the project details summarized here | Specific ESP32S3 development-module configuration and Arduino environment |
The repositories describe different components and implementation choices; they do not provide controlled comparisons of sound, battery life, cost, or assembly difficulty. Read the documentation for the design you intend to build rather than mixing parts or instructions by assumption. See the separate ESP32-S3 player project.
Quick Recap
Best Value
- 【GOLD EDITION — IMMERSION GOLD PCB】The Lonely Binary Gold Edition features a black PCB with lead-free immersion gold (ENIG) plating and clear silkscreen — the signature finish of the Lonely Binary Gold Edition line. RoHS-compliant.
- 【16MB FLASH + 8MB PSRAM】Large memory capacity for OTA updates, large programs, and AI/ML tasks — more headroom than 4MB boards for data-intensive IoT and automation projects.
- 【EXTERNAL IPEX ANTENNA】External IPEX antenna can be positioned for extended WiFi and Bluetooth signal coverage — for remote applications like weather stations, robots, or enclosed builds.
- 【DUAL USB TYPE-C PORTS】Separate power and data ports for macOS, Windows, and Linux. Power via USB-C (5V) or VIN pin (5–12V); do not exceed 5V on the USB-C ports.
- 【FLEXIBLE PROTOTYPING PINS】2x40-pin GPIO headers compatible with breadboards and sensors. Supports external ToF sensors via I2C for distance sensing.
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