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Product Description
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This board is fitted with the ESPRESSIF ESP32‑S3‑WROOM‑1U‑N16R8 module:
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Built around a dual-core Xtensa® LX7 CPU clocked up to 240 MHz, supporting single‑precision FPU and dedicated instruction extensions for machine learning and signal processing workloads.
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Integrated co‑processors: an ultra‑low‑power RISC‑V RV32IMC ULP core and an FSM coprocessor for power‑efficient sensor monitoring.
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Memory configuration: 16 MB Quad‑SPI Flash, 8 MB PSRAM (Octal SPI), 512 KiB SRAM, 384 KiB ROM, plus 16 KiB RTC SRAM.
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Rich peripheral set: up to 45 GPIOs, 2 × 12‑bit SAR ADCs (up to 20 channels), I²C, SPI, I²S, UART, SD/MMC, USB OTG, remote control, PWM, touch sensor, temperature sensor, DMA, LED PWM, and notably a TWAI® controller (classic CAN compatible).
Wireless (Wi‑Fi + Bluetooth)
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Supports Wi‑Fi 2.4 GHz (IEEE 802.11 b/g/n) at up to ~150 Mbps, with transmit power up to ~20 dBm and receive sensitivity around –103.5 dBm.
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Bluetooth provided is Bluetooth v5.0 BLE—the WROOM‑1U variant does not include Bluetooth Classic (BR/EDR) unless the board adds external radio support; the reference module supports only BLE alongside Wi‑Fi.
Note: Your board statement says “Bluetooth Classic and BLE via external antenna” — be aware that the ESP32‑S3 SoC supports Bluetooth Low Energy, not Classic EDR. Unless there’s an external Bluetooth Classic transceiver, you most likely have BLE only.
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Because of the U.FL (IPEX/MHF) connector, this module requires an external 2.4 GHz antenna (not included). It’s recommended to use a 50 Ω antenna with maximum gain ~2.33 dBi (as used in certification tests) to ensure compliance with RF and EMC standards.
CAN and CAN FD Interfaces
Classical CAN (CAN 2.0B)
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Provided natively by the ESP32‑S3’s TWAI® controller mapped to pins on connector J7 (Classic CAN interface compliant with ISO 11898‑1).
CAN FD (Flexible Data‑Rate)
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A separate MCP2518FD chip is used to provide CAN FD on connector J6, interfaced via SPI.
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The MCP2518FD is a stand-alone external CAN FD controller supporting both classical CAN 2.0B (arbitration up to 1 Mbps) and CAN FD data rates (up to 8 Mbps), fully compliant with ISO 11898‑1:2015.
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It offers advanced features: low‑power mode (~10 µA standby), up to 31 flexible FIFOs, multiple filters, and extended SEQ field capacity for event tracking.
Display & Touchscreen
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A 5″ 480 × 854 IPS LCD with capacitive touch is mounted on the board.
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The resolution matches a typical FWVGA portrait format, offering good sharpness and contrast for UI or instrumentation panels.
Features
- ESP32-S3 series of SoCs embedded, Xtensa® dual-core 32-bit LX7 microprocessor (with single precision FPU), up to 240 MHz
- 16MB Quad SPI flash
- 8MB PSRAM
- Bluetooth LE, Bluetooth 5 and Bluetooth mesh, requires external antenna
- Wifi 802.11b/g/n, requires external antenna
- Programming via USB-C connector
- Boot and Reset push button
- MCP2518FD CAN FD controller and CAN transceiver (J6)
- Classic CAN transceiver (J7)
- I2C connector for sensors
- Supply voltage : 7v to 24v SMPS module with reverse polarity protection
- Red LED on GPIO03
- IPS LCD Panel
- 480x854 pixels
- Panel dimension : 66.40(W)x120.05(H)x2.0(T)mm
- Visual Area : 62.56x110.53mm
- Active Area : 61.56(W)x109.53(H)mm
- Viewing Angle : Left:80.0 , Right:80.0 , Up:80.0 , Down:80.0 degree
- Brightness(Typ) : 360cd/m2
- Capacitive Touch controller GT911 with I2C interface
Documents
Ensure to select:
- Board:ESP32S3 Dev Module
- USB CDC On Boot "Enabled"
- PSRAM: "OPI PSRAM"
- Upload Mode: "USB-TG CDC (Tiny USB)"
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