Smart weighing + vision recognition controller using a Seeed XIAO ESP32-S3, Grove Vision AI V2 connected only by 3V3/GND/SDA/SCL, and a simple four-pin ESP32-S3 expansion interface for D2/GPIO3 and D3/GPIO4; no onboard HX711 or load-cell connector.

ESP32-S3 touch display development board standardized on a portrait ILI9341 TFT by default, preserving USB-C power, CP2102N USB-UART, I2C touch, PCM5102A audio, microSD, and expansion while assigning KEY1-KEY5 to BOOT, RESET, USER1, USER2, and USER3. The next design pass is driven by a portrait-oriented board resize and user-facing edge placement of the display area, touch interface, controls, and primary connector access.

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

Industrial dual motor controller using an ESP8266 NodeMCU and L298N dual H-bridge for 2x 12V 2A DC motors, with MQTT remote control, manual override buttons, 5-bit DIP addressing, reset input, status LEDs, SS34 reverse-polarity protection, 5A fuse, LM2596 5V buck conversion, TVS surge protection, and future expansion provisions for INA219 current sensing, OTA firmware, RS485, and enclosure integration.

This project is designed to measure water level of two tanks using ultrasonic sensors interfaced with the ESP32 microcontroller. The design leverages the processing power and wireless connectivity of the ESP32 to accurately monitor water levels and support automated water management processes. Key components include two ultrasonic sensors for precise distance measurement, robust voltage regulation using an LM2596 buck converter, and reliable power management circuits. Its modular design approach facilitates easy expansion and integration with other systems, making it an ideal solution for both DIY enthusiasts and professionals in automated fluid control and IoT applications. #ESP32 #UltrasonicSensor #WaterLevelSensor #LM2596 #VoltageRegulator #ModularDesign #IoT #DIYProjects #ElectronicsDesign #automation

Universal 12V ESP32 Automation Motherboard with MOSFET Outputs, A4988 Stepper Socket, LM2596 5V Regulator & Expansion Headers

Low-Power USB-C (5 V) Environmental Sensor Node with 18650 Li-Ion Power-Path, Robust Protection (Reverse Polarity, OVP, UVLO, OCP to 3 A), Dual-Radio ESP32-S3 MCU, I²C VOC/Temp/Humidity/Pressure/Lux Sensors, and 2-/4-Pin JST-XH Expansion Pads for Battery and Sensors #USB-C #LiIon #ESP32 #I2C #PowerProtection #EnvironmentalSensor

This project is a motherboard for the ESP32-CAM module, which enables easy and flexible WiFi camera applications. The motherboard provides power supply, programming interface, and GPIO expansion for the ESP32-CAM. It also supports external sensors for more functionality. #motherboard #WiFi #MCU #ReferenceDesign #project #ESP32 #camera #reusable #module #edgeComputing #espressif #template

This project is designed to measure water level of two tanks using ultrasonic sensors interfaced with the ESP32 microcontroller. The design leverages the processing power and wireless connectivity of the ESP32 to accurately monitor water levels and support automated water management processes. Key components include two ultrasonic sensors for precise distance measurement, robust voltage regulation using an LM2596 buck converter, and reliable power management circuits. Its modular design approach facilitates easy expansion and integration with other systems, making it an ideal solution for both DIY enthusiasts and professionals in automated fluid control and IoT applications. #ESP32 #UltrasonicSensor #WaterLevelSensor #LM2596 #VoltageRegulator #ModularDesign #IoT #DIYProjects #ElectronicsDesign #automation

VikingBoard: Multi-Wireless Expansion Board with WT32-SC01 Wi-Fi/BT, LoRa CC1101, NRF24L01+, GPS, Haptic Drivers, and Multi-Rail Power Management (+3V3_IO, +3V3_RF, +3V3_KBD, +5V_SYS, GND) #multi-wireless #expansion #power-management

Daddy's second circuit board. A sign to let my wife know when I'm on a call. Activates with a slide switch and is powered by USB-C. R2 changes: -Moving to Letter Modules for ease of design -Adding ESP32 for WiFi On/Off and intensity control -Optional: Add unpopulated AA Battery Holder for battery option R1 changes: -Changed LED part to Red LEDs -adjusted resistor value of buck converter -Changed source for USB-C Connector -Removed exposed soldermask on buck converter with negative soldermask expansion -Order with black soldermask Modified by markwu2001: Adjustable Brightness, 85-90% Drive Efficiency <5W Operation (Can use 5V 1A Plug) This project can be purchased from LCSC

This project is a motherboard for the ESP32-CAM module, which enables easy and flexible WiFi camera applications. The motherboard provides power supply, programming interface, and GPIO expansion for the ESP32-CAM. It also supports external sensors for more functionality. #motherboard #WiFi #MCU #ReferenceDesign #project #ESP32 #camera #reusable #module #edgeComputing #espressif #template

Digitally controlled 24 V to 0-12 V 1 A buck converter with STM32G4 MCU, CC/CV regulation, SWD debug, SPI expansion connectors, and placeholder power I/O connectors.

This project is a motherboard for the ESP32-CAM module, which enables easy and flexible WiFi camera applications. The motherboard provides power supply, programming interface, and GPIO expansion for the ESP32-CAM. It also supports external sensors for more functionality. #motherboard #WiFi #MCU #ReferenceDesign #project #ESP32 #camera #reusable #module #edgeComputing #espressif #template

This project is a motherboard for the ESP32-CAM module, which enables easy and flexible WiFi camera applications. The motherboard provides power supply, programming interface, and GPIO expansion for the ESP32-CAM. It also supports external sensors for more functionality. #motherboard #WiFi #MCU #ReferenceDesign #project #ESP32 #camera #referenceDesign #edgeComputing #espressif #template #reference-design

This project is designed to measure water level of two tanks using ultrasonic sensors interfaced with the ESP32 microcontroller. The design leverages the processing power and wireless connectivity of the ESP32 to accurately monitor water levels and support automated water management processes. Key components include two ultrasonic sensors for precise distance measurement, robust voltage regulation using an LM2596 buck converter, and reliable power management circuits. Its modular design approach facilitates easy expansion and integration with other systems, making it an ideal solution for both DIY enthusiasts and professionals in automated fluid control and IoT applications. #ESP32 #UltrasonicSensor #WaterLevelSensor #LM2596 #VoltageRegulator #ModularDesign #IoT #DIYProjects #ElectronicsDesign #automation

R2 w Thread changes: -Moving to Letter Modules for ease of design -Adding MGM210L for Matter on Thread On/Off and intensity control -Shifted A and R letters closer to fix Kerning -Optional: Add unpopulated AA Battery Holder for battery option R1 changes: -Changed LED part to Red LEDs -adjusted resistor value of buck converter -Changed source for USB-C Connector -Removed exposed soldermask on buck converter with negative soldermask expansion -Order with black soldermask Modified by markwu2001: - Adjustable Brightness, - 85-90% Drive Efficiency - <5W Operation (Can use 5V 1A Plug) This project can be purchased from LCSC Original Description: Daddy's second circuit board. A sign to let my wife know when I'm on a call. Activates with a slide switch and is powered by USB-C. #template #arduino-matter

This project is a motherboard for the ESP32-CAM module, which enables easy and flexible WiFi camera applications. The motherboard provides power supply, programming interface, and GPIO expansion for the ESP32-CAM. It also supports external sensors for more functionality. #motherboard #WiFi #MCU #ReferenceDesign #project #ESP32 #camera #referenceDesign #edgeComputing #espressif #template #reference-design

This project is a motherboard for the ESP32-CAM module, which enables easy and flexible WiFi camera applications. The motherboard provides power supply, programming interface, and GPIO expansion for the ESP32-CAM. It also supports external sensors for more functionality. #motherboard #WiFi #MCU #ReferenceDesign #project #ESP32 #camera #reusable #module #edgeComputing #espressif #template

This project is a motherboard for the ESP32-CAM module, which enables easy and flexible WiFi camera applications. The motherboard provides power supply, programming interface, and GPIO expansion for the ESP32-CAM. It also supports external sensors for more functionality. #motherboard #WiFi #MCU #ReferenceDesign #project #ESP32 #camera #reusable #module #edgeComputing #espressif #template

This project is a motherboard for the ESP32-CAM module, which enables easy and flexible WiFi camera applications. The motherboard provides power supply, programming interface, and GPIO expansion for the ESP32-CAM. It also supports external sensors for more functionality. #motherboard #WiFi #MCU #ReferenceDesign #project #ESP32 #camera #reusable #module #edgeComputing #espressif #template

This project is a motherboard for the ESP32-CAM module, which enables easy and flexible WiFi camera applications. The motherboard provides power supply, programming interface, and GPIO expansion for the ESP32-CAM. It also supports external sensors for more functionality. #motherboard #WiFi #MCU #ReferenceDesign #project #ESP32 #camera #reusable #module #edgeComputing #espressif #template

To optimize your 4-layer board manufacturing process with Seeed Studio Fusion, utilize this comprehensive template. It incorporates a majority of the essential manufacturing constraints as global rules, ensuring a smoother and more efficient production workflow. #project-template #template #manufacturer-design-rules This project is a vessel monitoring system built using Seeed Studio Xiao Sense, Xiao Expansion Board with OLED, a UART WiFi module, a normally open float switch, and a UART SIM800L cellular module. The system displays a 30-second countdown on the OLED screen, calibrates the IMU sensor, converts to Euler angles, and stores these values for comparison with future readings. It also sets up the WiFi module as an access point to configure the vessel's name, contact numbers, and angle thresholds for list and trim notifications. Reports are sent at specified times via the cellular module.

This project is a motherboard for the ESP32-CAM module, which enables easy and flexible WiFi camera applications. The motherboard provides power supply, programming interface, and GPIO expansion for the ESP32-CAM. It also supports external sensors for more functionality. #motherboard #WiFi #MCU #ReferenceDesign #project #ESP32 #camera #reusable #module #edgeComputing #espressif #template

This project is a motherboard for the ESP32-CAM module, which enables easy and flexible WiFi camera applications. The motherboard provides power supply, programming interface, and GPIO expansion for the ESP32-CAM. It also supports external sensors for more functionality. #motherboard #WiFi #MCU #ReferenceDesign #project #ESP32 #camera #reusable #module #edgeComputing #espressif #template