ESP32-S3 Schematics

ESP32-S3 ESP32-S 802.11 b/g/n (WiFi/WLAN/Wi-Fi 4), Bluetooth® 5.x (BLE) Transceiver 2.4GHz Evaluation Board Seeed Studio XIAO ESP32-S3 development board featuring an ESP32-S3R8 dual-core Xtensa LX7 processor up to 240 MHz, 8 MB PSRAM, 8 MB Flash, 2.4 GHz Wi-Fi and Bluetooth 5.0 BLE. Supports UART, I2C, SPI, GPIO/PWM, ADC, USB Type-C 5 V input, 3.7 V Li-ion battery input with onboard charging, and deep-sleep current as low as 14 µA. Suitable for IoT, smart home, wearable, robotics, health-monitoring, low-power networking, and rapid-prototyping applications. #SeeedStudio #XIAO #ESP32S3 #DevelopmentBoard #WiFi #Bluetooth #IoT #Wearables #Robotics

Production-intent 70 × 48 mm ESP32-S3 controller for a face-recognition door lock, with 12 V input, biometric and mmWave interfaces, protected lock actuation, native USB, and 5 V/3.3 V power rails.

Six-layer ESP32-S3 modular robotics controller with eight magnetic 5-pin docking ports, USB-C PD input, 5 V / 8 A shared actuator power, and protected 2 A port outputs.

Compact 2S battery-powered ESP32-S3 controller using continuous TF-Luna UART distance sensing and a low-profile MOSFET H-bridge to pulse a 7.4 V automotive lock actuator. Target PCB envelope is 40 × 75 × 10 mm assembled.

Channel-5 bistatic UWB radar prototype using dual DWM3000-class radios and an onboard STM32H7 processor to detect motion in structural voids and report processed results to an upstream ESP32-S3.

Breadboard-oriented ESP32-S3 Stream Deck prototype using a TCA8418 I2C keypad scanner for a 5x4 key matrix, plus two filtered analog potentiometers and two active-low latching inputs. Powered through the development board’s onboard USB connector with 3.3 V logic throughout.

Portable ESP32-S3 MP3 player using an assembled N16R8 development board, ST7789 display, microSD storage, rotary control, protected 2500 mAh LiPo charging, and USB-C digital headphone output.

Ankle-mounted ESP32-S3 sensor hub with ADS1115 acquisition, LiPo connection, status indication, and an 8-conductor insole interface.

Single-board 18650-powered ESP32-S3 startup light controller with protected USB-C charging/5V boost, I2S audio, capacitive touch, one addressable RGB LED, motor/speaker solder pads, and factory test access.

Meshtastic ESP32-S3 node with 5 V input, 3.3V low-noise regulation, and I2C expansion.

Dual-input 15 V USB-C PD/barrel power system with BQ25792 NVDC charging, independent 3S LiPo protection/balancing, and regulated 5 V/3.3 V rails for an ESP32-S3 GPS/LoRa carrier.

Meshtastic ESP32-S3 node with 5 V input, 3.3V low-noise regulation, and I2C expansion.

ESP32-S3 N16R8-based general-purpose controller with USB, audio, battery support, expansion interfaces, and JLCPCB SMT assembly-oriented component selection.

Meshtastic ESP32-S3 node with 5 V input, 3.3V low-noise regulation, and I2C expansion.

ESP32-S3-WROOM-1 is a 2.4 GHz Wi-Fi 802.11 b/g/n and Bluetooth 5 LE MCU module based on a dual-core Xtensa LX7 processor operating up to 240 MHz. It integrates up to 16 MB Quad-SPI flash, up to 16 MB PSRAM, 36 GPIOs, USB 2.0 OTG, UART, SPI, I²C, I²S, ADC, touch sensing, and other peripherals, with a 3.0–3.6 V supply and onboard PCB antenna. Suitable for IoT, smart home, industrial automation, audio, USB, AIoT, and wireless applications. #ESP32S3 #WiFi #BluetoothLE #MCU #IoT #AIoT

Battery-powered ESP32-S3 rotary controller with native USB-HID, BLE/Wi-Fi, USB-C charging and power-path operation, a pressable 24-detent encoder, conventional PWM RGB status LED, and disconnectable low-current 3V3 power indicator.

36 × 36 mm four-layer 1S LiPo flight controller using an ESP32-S3-MINI module, four brushed motor channels, ICM-42688-P IMU, LIS3MDL magnetometer, and BMP390 barometer.

ESP32-S3-WROOM-1U-N16R8 controller board with native USB-C power/programming and a 3.3 V SPI microSD card interface.

Compact sealed ESP32-S3 GPS and motion tracker for dog collars, with external GNSS antenna, BLE telemetry, flash logging, and pogo-pad charging/programming.

Production-intent rechargeable ESP32-S3 ESP-NOW quiz buzzer with round display, dual digital microphones, perimeter RGB lighting, protected 18650 power, and magnetic charging.

ESP32-S3 sistem kontrolcüsü ve ESP32-P4 HMI/multimedia işlemcisi içeren Ethernet/PoE, GSM, RS485, röle, buzzer, ekran, touch, audio ve microSD destekli kontrol paneli.

Four-layer ESP32-S3 and 315 MHz CC1101 LiPo wireless node with remote USB, OLED, and controls.

Li-Stick ESP32-S3-WROOM-1-N8R8 core/control schematic with native USB programming, boot/reset support, debug/test access, and reserved system interfaces. Current scope intentionally excludes all power conversion, sensors, audio, AI, LTE, and PCB layout.

Bo điều khiển ESP32-S3 cho hai driver stepper, màn hình TFT SPI, rotary encoder và nút nhấn; nguồn 40 VDC được hạ xuống 5 V bằng XL7015E1 rồi xuống 3,3 V bằng buck hiệu suất cao.

Protected low-noise power supply converting a 24 VAC, 75 VA HVAC transformer secondary into 5 V and 3.3 V rails for an ESP32-S3 smart thermostat.