• ESP32-C3 ADS1115 pH ORP Sensor Interface 4412

    ESP32-C3 ADS1115 pH ORP Sensor Interface 4412

    3.3 V-powered pH and ORP probe interface using an ADS1115 module, MCP6002 through-hole buffers, and DS18B20 temperature sensing. External ESP32 connection is through one 5-pin header carrying 3V3, GND, SDA, SCL, and DQ; ADS1115 ADDR is fixed locally and ALERT is unused.

    suda0809

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    18 days ago

    0 Uses

    0 Comments

    1 Star


  • Arctic Tank Monitor

    Arctic Tank Monitor

    Arctic Tank Monitor — low-power nRF9160 LTE-M sensor node for -40°C tank monitoring. Battery powered from a 3.6 V Li-SOCl2 cell, with TMP117 ambient sensing, external I2C ultrasonic sensor interface, nano-SIM, U.FL LTE antenna, and SWD programming.

    3 days ago

    0 Uses

    0 Comments

    1 Star


  • PoE Lighting Controller

    PoE Lighting Controller

    Integrated PoE lighting-control PCB with 802.3bt PoE input, isolated 24V/3.3V power, Ethernet control, MOSFET dimming, DALI interface, and sensor inputs.

    a month ago

    0 Uses

    0 Comments

    1 Star


  • HX711

    HX711

    Based on Avia Semiconductor’s patented technology, HX711 is a precision 24-bit analog-to-digital converter (ADC) designed for weigh scales and industrial control applications to interface directly with a bridge sensor.

    2 years ago

    0 Uses

    17 Comments

    1 Star


  • Thermostat Cost Optimization

    Thermostat Cost Optimization

    Smart Thermostat design using an ESP32 module for WiFi connectivity and a BME680 sensor for environmental monitoring. The user interface includes an E-ink display and an encoder for settings adjustment. Power: USB and Battery Movement sensor

    2 years ago

    0 Uses

    52 Comments

    1 Star


  • E-ink Smart Thermostat Max

    E-ink Smart Thermostat Max

    Smart Thermostat design using an ESP32 module for WiFi connectivity and a BME680 sensor for environmental monitoring. The user interface includes an E-ink display and an encoder for settings adjustment. Power: USB and Battery Movement sensor

    2 years ago

    0 Uses

    0 Comments

    1 Star


  • BLE Door and Window Sensor Reference Design

    BLE Door and Window Sensor Reference Design

    This project is a BLE door and window sensor design that uses a U-blox BMD-330-A-R for BLE communication, a reed switch as a sensor, a multi-color LED for status display, and is powered by VBAT. There's also a programming interface and reset switch included. #WiFi #BLE #MCU #ReferenceDesign #project #referenceDesign #simple-embedded #ublox #template #reference-design

    2 years ago

    0 Uses

    6 Comments

    1 Star


  • ESP32-WROOM-32E Reference Design

    ESP32-WROOM-32E Reference Design

    This project involves designing a versatile IoT sensor hub using the ESP32-WROOM-32E module. The main objective is to create a platform that enables seamless data collection and transmission from various environmental sensors over a WiFi network. The device will feature USB-C for power and data transfer, and will utilize on-board voltage regulation to ensure stable operation. A CH340C chip is employed for USB to serial conversion, facilitating easy programming and communication with a host computer. Key Features: Wireless Connectivity: Leverage the ESP32's built-in WiFi capabilities for real-time data transmission to cloud-based platforms or local servers. USB-C Interface: Utilize a modern USB-C connector for power and data transfer, providing flexibility and future-proofing the design. On-board Voltage Regulation: Include an AMS1117-3.3 voltage regulator to maintain a stable 3.3V output from the USB input, protecting sensitive components. Support for Multiple Sensors: Integrate various GPIOs to connect multiple sensor types ( temperature, humidity, air quality ) (temperature, humidity, air quality) for comprehensive environmental monitoring. Expandability: Design with additional headers for future expansion, enabling users to customize and extend the hub's capabilities with additional sensors or modules. Applications: Smart Home Automation: Integrating with home systems to monitor and respond to environmental changes. Environmental Monitoring: Providing data for ecological studies or urban environment monitoring. Industrial IoT: Enhancing systems within a factory or industrial setting to track conditions in real-time. With this setup, the device aims to be a robust and adaptable piece of technology, suitable for hobbyists, researchers, and developers interested in the expanding world of IoT.

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    4 months ago

    0 Uses

    22 Comments

    1 Star


  • Webcam & TouchKey Laptop PCB

    Webcam & TouchKey Laptop PCB

    This project involves designing a PCB for the lid assembly of an open-source laptop. The design integrates various sensors, including a microphone, camera, and ambient light sensor, ensuring precise alignment with the display glass. It features touch sensors to control LED lighting, spring-loaded contacts for touch-key interaction, and 3D-printed light diffusers for efficient lighting. Additionally, the PCB includes a power management system with status LEDs and a PFC for connecting to the external laptop PCB. The goal is to create a versatile, upgradeable, and user-friendly component for the laptop's lid. Specific parts of the project include 1. Microphone - Audio input capture 2. Ambient Light Sensor Module - Light intensity measurement 3. Camera - Video capture 4. LDO Regulators (3 TLV74 Series) - Voltage regulation for different components 5. Crystal - Clock generation 6. Touch Sensor Controller - Touch-key interaction 7. Flip-Flop - State keeping in logic circuits 8. LEDs (LTRBR37G Series) - Lighting indication 9. FPC Connector - Interface with main laptop PCB

    2 years ago

    0 Uses

    15 Comments

    1 Star


  • ESP32-C3 ADS1115 pH ORP Sensor Interface 4412

    ESP32-C3 ADS1115 pH ORP Sensor Interface 4412

    ESP32-C3 battery-powered pH and ORP probe interface using ADS1115 differential ADC, MCP6002 through-hole buffers, DS18B20 temperature compensation, and short net labels for firmware handoff.

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    21 days ago

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    0 Comments

    0 Stars


  • Arduino ADS1115 pH Sensor Interface

    Arduino ADS1115 pH Sensor Interface

    Arduino-compatible pH probe interface using a high-impedance analog buffer and ADS1115 16-bit I2C ADC for improved pH measurement sensitivity.

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    2 months ago

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    0 Comments

    0 Stars


  • WRIM DFIG dSPACE Sensor Interface

    WRIM DFIG dSPACE Sensor Interface

    WRIM/DFIG two-current and two-voltage isolated sensor interface PCB for dSPACE ±10 V analog measurement.

    2 months ago

    0 Uses

    0 Comments

    0 Stars


  • WiFi Water Flow Meter 1SoR

    WiFi Water Flow Meter 1SoR

    WiFi-enabled ultrasonic water flow meter interface for 3/4 inch PVC pipe with USB-C power, ESP32 WiFi, 12V RS485 sensor supply, and protected sensor interface.

    a month ago

    0 Uses

    0 Comments

    0 Stars


  • WiFi Water Flow Meter epjL

    WiFi Water Flow Meter epjL

    WiFi-enabled ultrasonic water flow meter interface for 3/4 inch PVC pipe with USB-C power, ESP32 WiFi, 12V RS485 sensor supply, and protected sensor interface.

    a month ago

    0 Uses

    0 Comments

    0 Stars


  • WiFi Water Flow Meter

    WiFi Water Flow Meter

    USB-C powered ESP32 WiFi water flow meter with 12V RS485 ultrasonic sensor interface for 3/4 inch PVC pipe Vibe-hardwared

    3 months ago

    0 Uses

    0 Comments

    0 Stars


  • PVC Flow Meter ESP32 RS485 Controller

    PVC Flow Meter ESP32 RS485 Controller

    WiFi-enabled 3/4-inch PVC ultrasonic water flow meter with protected USB-C power, ESP32 WiFi, 3.3V regulation, 12V sensor supply branch, RS485 sensor interface, UART programming, reset network, and status LEDs.

    3 months ago

    0 Uses

    0 Comments

    0 Stars


  • Radical Apricot Jetpack

    Radical Apricot Jetpack

    Wireless Module & Sensor Interface Placement Guidance

    6 months ago

    0 Uses

    0 Comments

    0 Stars


  • National Rose TV Glasses

    National Rose TV Glasses

    Ultra-Minimal 8-Channel 3.3V Sensor Interface Board Using Seeed XIAO SAMD21 & LMC6484IMX-TI on Compact 80×25mm PCB

    9 months ago

    0 Uses

    0 Comments

    0 Stars


  • Flex Sensor Adalogger Interface

    Flex Sensor Adalogger Interface

    Flexible PCB interface board carrying two ADS1232 24-bit bridge ADCs, a DS3231M RTC with CR2020 keep-alive cell, and an H3LIS331 accelerometer for connection to an Adafruit Feather M0 Adalogger.

    a month ago

    0 Uses

    0 Comments

    0 Stars


  • TSOP34S40F

    TSOP34S40F

    IR Receiver Modules for Remote Control Systems #commonpartslibrary #interface #optical #sensor

    2 years ago

    0 Uses

    0 Comments

    0 Stars


  • MAX6675ISA

    MAX6675ISA

    Sensor and Detector Interface 5.5V 0.7mA SPI Interface 8-Pin SOIC N T/R #CommonPartsLibrary #IntegratedCircuit #Interface #Sensor-Detector

    2 years ago

    0 Uses

    0 Comments

    0 Stars


  • 4-Channel Gas Sensor AFE

    4-Channel Gas Sensor AFE

    Four-channel electrochemical gas sensor signal-conditioning module based on the TI LMP91000EVM architecture, with shared I2C, per-channel SPI ADCs, 2.5V reference, sensor headers, and STM32F767ZI interface.

    19 days ago

    0 Uses

    0 Comments

    0 Stars


  • ESP32 Temperature and Load Cell Sensor

    ESP32 Temperature and Load Cell Sensor

    ESP32 sensor node with an I2C temperature sensor and load-cell ADC interface.

    3 months ago

    0 Uses

    0 Comments

    0 Stars


  • BHI160B Reference design

    BHI160B Reference design

    This project is a reference design for the BHI160B sensor featuring an I2C interface with QWIIC and pin headers. The design includes decoupling capacitors and pull-up resistors for signal integrity. It's powered by a 3.3V supply. #referenceDesign #project #sensor #accelerometer #BHI160B #referenceDesign #imu #stm #template #reference-design

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    2 years ago

    0 Uses

    15 Comments

    0 Stars


  • BHI160B Reference design

    BHI160B Reference design

    This project is a reference design for the BHI160B sensor featuring an I2C interface with QWIIC and pin headers. The design includes decoupling capacitors and pull-up resistors for signal integrity. It's powered by a 3.3V supply. #referenceDesign #project #sensor #accelerometer #BHI160B #referenceDesign #imu #stm #template #reference-design

    2 years ago

    0 Uses

    1 Comment

    0 Stars


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