• USB-C to 4 USB-A Hub V1

    USB-C to 4 USB-A Hub V1

    Introducing my USB-C to 4 USB-A Hub V1, a compact and efficient solution for expanding your device's connectivity. Easily connect multiple USB-A peripherals to a single USB-C port. The USB-C and USB-A high speed differential pairs were done with the help of Flux Automated Impedance Control. #USBCHub #Connectivity #project
    kerry


  • WiFi RF-ID lock reference design g7u8

    WiFi RF-ID lock reference design g7u8

    This project is a WiFi RF-ID Lock, which uses a Espressif ESP-8684 microcontroller for WiFi connectivity and a Handson Technology RC522 for RF-ID functionality. It also includes an OLED display and user control via a switch. A step-up power converter ensures consistent 3.3V power. #WiFi #MCU #ReferenceDesign #project #ESP8684 #lock #OLED #referenceDesign #simple-embedded #espressif #template #reference-design
    josf


  • AvocAudio - Fully Placed-dacre

    AvocAudio - Fully Placed-dacre

    AvocAudio is a compact tinyML community board designed for extensive audio data collection for various tinyML applications. It leverages the Raspberry Pi RP2040 and integrates a LoRa-E5 LoRaWAN Transceiver Module for connectivity. Equipped with an SD card slot for local data storage, the board ensures efficient data collection. The board operates on solar power or a lithium-ion battery, ensuring flexible and efficient energy use. #audioDevices #raspberryPi #rp2040 #lorawan #iot #solar
    dacre


  • Motion Detector Reference Design

    Motion Detector Reference Design

    This is a motion detector circuit using an ESP32 microcontroller and PIR sensor. It features USB-C connectivity, RGB LED indication, push buttons and is powered by a 3.3V supply. #referenceDesign #edge-computing #edgeComputing #espressif #template #iot #PIR #esp32 #reference-design
    vandeguau


  • LoST 3296 Board

    LoST 3296 Board

    The LoST 3296 board features an Low Power STM32, an RFM95 Module for LoRA connectivity and a connector to interface different sensors. You can hook up a UART module, I2C module and a module using the RS485. The board is powered by the USB-C port
    abm666


  • AvocAudio: A tinyML community board v1

    AvocAudio: A tinyML community board v1

    AvocAudio is a compact tinyML community board designed for extensive audio data collection for various tinyML applications. It leverages the Raspberry Pi RP2040 and integrates a LoRa-E5 LoRaWAN Transceiver Module for connectivity. Equipped with an SD card slot for local data storage, the board ensures efficient data collection. The board operates on solar power or a lithium-ion battery, ensuring flexible and efficient energy use. #raspberryPi #rp2040 #lorawan #iot #solar
    giulioz


  • WiFi to IR Gateway Reference Design bN3H ntGi 4b20 3bd6

    WiFi to IR Gateway Reference Design bN3H ntGi 4b20 3bd6

    This is a WiFi to Infrared (IR) gateway reference design leveraging an ESP32-S3 microcontroller for WiFi connectivity. It also incorporates a Type-C USB interface for data and power, 3 LEDs (red, green, & IR), and voltage regulation. It facilitates wireless control of IR devices, suitable for home automation projects. #referenceDesign #edge-computing #espressif #template #IR #project #reference-design
    jon40000


  • TUSB8041IRGCT

    TUSB8041IRGCT

    The TUSB8041, developed by Texas Instruments, is a four-port USB 3.0 hub intended for use in computer systems, docking stations, monitors, and set-top boxes, providing simultaneous SuperSpeed USB and high-speed/full-speed connections on the upstream port as well as on the downstream ports. This component supports battery charging features, enabling Charging Downstream Port (CDP) and Dedicated Charging Port (DCP) modes, compliant with the Chinese Telecommunications Industry Standard YD/T 1591-2009, and introduces an automatic mode for transparent support for BC devices and devices supporting Divider Mode charging solutions. It offers customization through OTP ROM, I2C EEPROM or via an I2C/SMBus slave interface for Vendor ID (VID), Product ID (PID), port customizations, and manufacturer and product strings. The TUSB8041 comes in a 64-pin RGC package and is available in both commercial (0°C to 70°C) and industrial (-40°C to 85°C) temperature ranges, part numbers TUSB8041 and TUSB8041I respectively, with an operating voltage requirement of 3.3V for I/O and 1.1V for the core. This hub doesn't require special drivers as it's designed to work seamlessly with any operating system supporting the USB stack, making it a highly adaptable solution for expanding USB connectivity in a wide range of applications.
    kerry


  • ESP32-H2-WROOM-03 Reference Design

    ESP32-H2-WROOM-03 Reference Design

    This project is an IoT development board based on the ESP32-H2-WROOM-03 module, featuring USB-C connectivity for power and communication. The board also includes two buttons, several decoupling capacitors, and a couple of connectors for peripheral connections. The onboard USB-to-UART bridge facilitates communication with a host device. #referenceDesign #esp32 #iot #esp32-h2 #project #template #reference-design
    nnkorange


  • RFID 6eb3

    RFID 6eb3

    Seeed Studio XIAO ESP32C3 adopts new RISC-V architecture, supporting both Wi-Fi and BLE wireless connectivity. For Internet of Things applications, you will find it is flexible and suitable for all kinds of IoT scenarios. #SeeedStudio #xiao
    viniciusantidoto


  • NUCLEO-F303K8 Template rdaN

    NUCLEO-F303K8 Template rdaN

    Template for STM32 Nucleo-32 development board with STM32F303K8 MCU, supports Arduino nano connectivity #project-template #template #stm32
    vatsal09


  • firstPCB

    firstPCB

    This project aims to develop a wearable and portable pregnancy monitoring system that continuously tracks key health parameters and provides real-time notifications to healthcare providers and family members. The solution integrates a comfortable, non-intrusive wearable device with embedded sensors, a mobile application, cloud connectivity, and machine learning algorithms to predict and manage potential complications.
    katende


  • v2-pete

    v2-pete

    Introducing my USB-C to 4 USB-A Hub V1, a compact and efficient solution for expanding your device's connectivity. Easily connect multiple USB-A peripherals to a single USB-C port. The USB-C and USB-A high speed differential pairs were done with the help of Flux Automated Impedance Control. #USBCHub #Connectivity #project
    datnapafunk


  • Zoophagous Beige Matter Compiler

    Zoophagous Beige Matter Compiler

    • ESP32 DevKitC V4 (microcontroller) - 2x BME280 sensors (temperature, humidity, pressure) - 8ch relay board with 12VDC relays (NO/NC SPDT) - 12VDC power supply - USB connectivity - Various components (resistors, caps, opto couplers, op-amps, motor drivers, multiplexers) - 2x SPDT relay boards (for fan fail-safe) - 4x 2ch bidirectional level controllers (3.3V to 5V) - ESP32 GPIO 21 (SCL) to BME280's SCL - ESP32 GPIO 22 (SDA) to BME280's SDA - ESP32 GPIO 5 (digital output) to 8ch relay board input - ESP32 GPIO 25 (PWM output) -> Fan PWM (0-255 value) - ESP32 GPIO 26 (PWM output) -> Light PWM (0-255 value) - ESP32 GPIO 34 (analog input) -> Tachometer input (0-4095 value, 12-bit ADC) - Add a 5V voltage regulator (e.g., 78L05) to power the ESP32 and other 5V components - Add a 3.3V voltage regulator (e.g., 78L03) to power the BME280 sensors and other 3.3V components - Include decoupling capacitors (e.g., 10uF and 100nF) to filter the power supply lines - Ensure proper grounding and shielding to minimize noise and interference
      -- Power supply: - VCC=12VD Available, to be used for LM358P - 5V voltage regulator (78L05) - VCC=5V, GND=0V
    • 3.3V voltage regulator (78L03)
    • VCC=3.3V, GND=0V
    • 3.3V voltage regulator (78L03) - VCC=3.3V, GND=0V - Fan PWM boost: - Input (3.3V PWM): 0-3.3V, frequency=20kHz - Output (5V PWM): 0-5V, frequency=20kHz - LM358P op-amp (unity gain buffer) - VCC=5V, GND=0V - R1=1kΩ, R2=1kΩ, R3=1kΩ, R4=1kΩ - C1=10uF (50V), D1=1N4007 - 0-10V signal conditioning: - Input (3.3V PWM): 0-3.3V, frequency=13kHz - Output (0-10V): 0-10V, frequency=13kHz - LM358P op-amp (non-inverting amplifier) - VCC=5V, GND=0V - R5=2kΩ, R6=1kΩ, R7=2kΩ, R8=1kΩ, R9=1kΩ, R10=2kΩ - C2=10uF (50V), R11=10kΩ (1%) ------------------------------------ Fan PWM Boost (3.3V to 5V): 1. ESP32 GPIO 25 (PWM output) -> R1 (1kΩ) -> VCC (3.3V) 2. ESP32 GPIO 25 (PWM output) -> R2 (1kΩ) -> Vin (LM358P) 3. LM358P (Voltage Follower): - VCC (5
    diamond91


  • ESP32-H2-WROOM-03 Reference Design e57n

    ESP32-H2-WROOM-03 Reference Design e57n

    This project is an IoT development board based on the ESP32-H2-WROOM-03 module, featuring USB-C connectivity for power and communication. The board also includes two buttons, several decoupling capacitors, and a couple of connectors for peripheral connections. The onboard USB-to-UART bridge facilitates communication with a host device. #referenceDesign #esp32 #iot #esp32-h2 #project #template #reference-design
    pachas


  • Steep Yellow Flubber

    Steep Yellow Flubber

    small UGV based with 4x brushless motor drivers Wifi and lora connectivity:battery connection is xt-90 pcb:) :RPI 4 mount with uart connectivity to EPS32-s3
    torn8to


  • WiFi to IR Gateway Reference Design bN3H oBCN

    WiFi to IR Gateway Reference Design bN3H oBCN

    This is a WiFi to Infrared (IR) gateway reference design leveraging an ESP32-S3 microcontroller for WiFi connectivity. It also incorporates a Type-C USB interface for data and power, 3 LEDs (red, green, & IR), and voltage regulation. It facilitates wireless control of IR devices, suitable for home automation projects. #referenceDesign #edge-computing #espressif #template #IR #project #reference-design
    jon40000


  • AvocAudio: A tinyML community board v1 3302

    AvocAudio: A tinyML community board v1 3302

    AvocAudio is a compact tinyML community board designed for extensive audio data collection for various tinyML applications. It leverages the Raspberry Pi RP2040 and integrates a LoRa-E5 LoRaWAN Transceiver Module for connectivity. Equipped with an SD card slot for local data storage, the board ensures efficient data collection. The board operates on solar power or a lithium-ion battery, ensuring flexible and efficient energy use. #raspberryPi #rp2040 #lorawan #iot #solar
    nicks-test-org

    &

    nick-local


  • The Green Dot 2040E5 Board  nkFU

    The Green Dot 2040E5 Board nkFU

    The "Green Dot 2040E5" Board is a Node that interfaces RS485 Sensor probes and can log information to the cloud using LoRa Connectivity. It uses the XIAO RP2040 and the LoRa-E5 (STM32WLE5JC) modules from Seeed Studio to do its magic. It also has amazing power management capabilities (Solar charging, Battery protection, etc) that make it very useful for IoT applications #Seeed #XIOA #LoRa #RP2040 #IoT
    giulioz


  • ESP32-H2-WROOM-03 Reference Design 55C9

    ESP32-H2-WROOM-03 Reference Design 55C9

    This project is an IoT development board based on the ESP32-H2-WROOM-03 module, featuring USB-C connectivity for power and communication. The board also includes two buttons, several decoupling capacitors, and a couple of connectors for peripheral connections. The onboard USB-to-UART bridge facilitates communication with a host device. #referenceDesign #esp32 #iot #esp32-h2 #project #template #reference-design
    pachas


  • USB-C to 4 USB-A Hub V1

    USB-C to 4 USB-A Hub V1

    Introducing the USB-C to 4 USB-A Hub V1, a compact and efficient solution for expanding your device's connectivity. Easily connect multiple USB-A peripherals to a single USB-C port. #USBCHub #Connectivity #project
    philipkyeswa


  • Common Cyan Tricorder e66a

    Common Cyan Tricorder e66a

    Connectivity: USB, Ethernet Domain: space Application: satellite Human interface: Joystick Operating voltage: 3.3V, 9V Operating temperature: -40 to +85C Target cost: $100 Reliability: 10,000 MTBF
    kerry


  • The Green Dot 2040E5 Board g9ix

    The Green Dot 2040E5 Board g9ix

    The "Green Dot 2040E5" Board is a Node that interfaces RS485 Sensor probes and can log information to the cloud using LoRa Connectivity. It uses the XIAO RP2040 and the LoRa-E5 (STM32WLE5JC) modules from Seeed Studio to do its magic. It also has amazing power management capabilities (Solar charging, Battery protection, etc) that make it very useful for IoT applications #SeeedStudio #XIAO #LoRa #RP2040 #IoT
    kerry


  • AvocAudio: A tinyML community board v1 4RvA

    AvocAudio: A tinyML community board v1 4RvA

    AvocAudio is a compact tinyML community board designed for extensive audio data collection for various tinyML applications. It leverages the Raspberry Pi RP2040 and integrates a LoRa-E5 LoRaWAN Transceiver Module for connectivity. Equipped with an SD card slot for local data storage, the board ensures efficient data collection. The board operates on solar power or a lithium-ion battery, ensuring flexible and efficient energy use. #raspberryPi #rp2040 #lorawan #iot #solar
    nick-local


  • ESP32-H2-WROOM-03 Reference Design

    ESP32-H2-WROOM-03 Reference Design

    This project is an IoT development board based on the ESP32-H2-WROOM-03 module, featuring USB-C connectivity for power and communication. The board also includes two buttons, several decoupling capacitors, and a couple of connectors for peripheral connections. The onboard USB-to-UART bridge facilitates communication with a host device. #referenceDesign #esp32 #iot #esp32-h2 #project #template #reference-design
    vasyl