• USB CO2 Air Monitor

    USB CO2 Air Monitor

    Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, microcontroller, OLED display, and visual good/moderate/poor status indication.

    C

    cesarhg1

    11 days ago

    0 Uses

    0 Comments

    0 Stars

  • USB CO2 Air Monitor

    USB CO2 Air Monitor

    Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, microcontroller, OLED display, and visual good/moderate/poor status indication.

    Y

    yasithw

    12 days ago

    0 Uses

    0 Comments

    0 Stars

  • [GND Clone] - from 36e5809f-a957-4886-9db8-b6ffe6c0a7b0 - USB CO2 Air Quality Monitor

    [GND Clone] - from 36e5809f-a957-4886-9db8-b6ffe6c0a7b0 - USB CO2 Air Quality Monitor

    Compact USB-powered desktop CO₂ air quality monitor using an ESP32-S3 module, Sensirion NDIR CO₂ sensing, I²C OLED display, and RGB air-quality indication.

    R

    ryanf

    14 days ago

    0 Uses

    0 Comments

    0 Stars

  • USB CO2 Air Monitor

    USB CO2 Air Monitor

    Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, microcontroller, OLED display, and visual good/moderate/poor status indication.

    S

    slarunlal

    14 days ago

    0 Uses

    0 Comments

    0 Stars

  • USB CO2 Air Monitor

    USB CO2 Air Monitor

    Compact USB-powered desktop CO₂ air quality monitor using an NDIR CO₂ sensor, microcontroller, OLED display, and visual good/moderate/poor status indication.

    E

    esracetints

    15 days ago

    0 Uses

    0 Comments

    0 Stars

  • USB CO2 Air Quality Monitor

    USB CO2 Air Quality Monitor

    Compact USB-C powered desktop CO2 monitor using an RP2040, Sensirion SCD30 NDIR sensor, 3.3V I2C OLED header, and RGB air-quality indication, with native USB boot and SWD debug.

    J

    jeffwilde

    19 days ago

    0 Uses

    0 Comments

    0 Stars

  • WeMos D1 mini template

    WeMos D1 mini template

    WeMos D1 Mini: LiPo Battery, OLED Display, and Debounced Button System (Final Schematic & Ready for Production)

    A

    aldomelinmaringer

    22 days ago

    0 Uses

    0 Comments

    0 Stars

  • Smart Espresso Scale

    Smart Espresso Scale

    Battery-powered smart espresso scale with BLE/WiFi-capable MCU, load-cell measurement, OLED interface, USB-C charging, and debug/programming access.

    N

    natarius

    +

    U

    22 days ago

    0 Uses

    0 Comments

    0 Stars

  • ESP32 Heater Controller

    ESP32 Heater Controller

    ESP32-based USB-C powered controller for four 5 V / 1 W heater strips, with PCB-mounted safety and ambient temperature sensing, OLED UI, rotary encoder, RGB status LED, and cost-conscious reliability/protection design.

    R

    roboticsnerd

    23 days ago

    0 Uses

    0 Comments

    0 Stars

  • ESP32-S3 AI Voice Assistant Dev Board

    ESP32-S3 AI Voice Assistant Dev Board

    Portable ESP32-S3 AI voice assistant development board with USB-C programming, LiPo charging, OLED, I2S microphone/amplifier, SPI flash, and microSD expansion.

    D

    dwi-ferdianto

    a month ago

    0 Uses

    0 Comments

    0 Stars

  • Pi Zero Sensor HAT

    Pi Zero Sensor HAT

    Raspberry Pi Zero HAT-style PCB with bottom 40-pin GPIO header and top-side connectors for MLX90640 thermal camera, SCD41, PIR, IMU, OLED, and thermal sensor terminals.

    S

    sensoulllc

    a month ago

    0 Uses

    0 Comments

    0 Stars

  • ESP32 Safety Sensor Hub

    ESP32 Safety Sensor Hub

    ESP32 DevKit V1 sensor hub powered from a 12V barrel jack through an LM2596 5V buck converter, with gas, temperature, flame, thermal camera, OLED, relay outputs, buzzer, and ESP32-CAM connections.

    M

    mateti

    +

    U

    a month ago

    0 Uses

    0 Comments

    0 Stars

  • Round Console X

    Round Console X

    Round Console X hardware control surface for the user’s self-developed Round Light Engine color grading software, based on Raspberry Pi Pico, OLED feedback, six encoders, three SPI optical trackball headers, MCP23017 expansion, and a one-sided PCB layout target.

    K

    kadeejark98

    a month ago

    0 Uses

    0 Comments

    0 Stars

  • 10-Channel AC Power Sequencer

    10-Channel AC Power Sequencer

    Low-voltage control and power-control electronics for a 10-channel 220 V AC power sequencer using ESP32, shift registers, OLED display, and isolated/high-current AC sections to be added later.

    M

    minsoo1

    +

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    U

    2 months ago

    0 Uses

    0 Comments

    0 Stars

  • GLECS V4 Logic Controller

    GLECS V4 Logic Controller

    STM32F103-based GLECS V4 pure logic controller with 12V input power tree, onboard 4G module, isolated relay control zone, sensors, OLED, debug headers, and 200x140mm two-layer PCB requirements.

    A

    ayushqqq123

    +

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    U

    2 months ago

    0 Uses

    0 Comments

    0 Stars

  • Spatial Metal Field Display Mini

    Spatial Metal Field Display Mini

    Breadboard-only schematic for an ESP32-based LC electromagnetic response visualizer using a handmade coil oscillator, LM339 comparator, GPIO27 frequency input, SSD1306 I2C OLED, and calibration button. No PCB layout is included.

    E

    ezexa

    2 months ago

    0 Uses

    0 Comments

    0 Stars

  • ESP32 Terrarium Climate Controller

    ESP32 Terrarium Climate Controller

    ESP32-based moss terrarium controller for constant temperature and humidity using 12V TEC/heater/LED/fan/mist drivers, SHT35 sensing, OLED UI, and protected 12V-to-5V-to-3.3V power architecture.

    C

    crrczelc

    2 months ago

    0 Uses

    0 Comments

    0 Stars

  • ESP32-C3 Optical Clip

    ESP32-C3 Optical Clip

    Two-board ESP32-C3 optical clip with USB-C LiPo charging, OLED display, red/IR LEDs, and remote phototransistor receiver.

    A

    a01743659

    2 months ago

    0 Uses

    0 Comments

    0 Stars

  • Single-Slot 18650 SOH Analyzer Prototype

    Single-Slot 18650 SOH Analyzer Prototype

    100 mm x 140 mm ESP32-based 18650 battery state-of-health analyzer prototyping board with active MOSFET discharge switching, current/voltage measurement, OLED UI, DS18B20 temperature input, and fan control.

    A

    aditya1902singh

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • Universal Inline Analog Signal Conditioner

    Universal Inline Analog Signal Conditioner

    ESP32-based universal inline analog signal conditioner with protected sensor input, DAC output, fail-safe NC relay passthrough, OLED UI, Bluetooth profile logic, and terminal-block I/O for automotive/bench use.

    R

    ricomans

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • ESP Drone Transmitter Controller

    ESP Drone Transmitter Controller

    ESP32-based DIY drone transmitter/controller with OLED display, dual joysticks, NRF24L01+PA+LNA radio, USB-C/2S LiPo power, charging, controls, indicators, and external interfaces.

    D

    dheeraj1076

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    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • Carousel Horse LED Controller

    Carousel Horse LED Controller

    Production-ready ESP32-DEVKITC-32UE festival carousel horse LED controller schematic with organized Power, ESP32 + Level Shifter + LEDs, Inputs, and DMX + OLED blocks.

    J

    jm16892

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • ESP32 Intelligent Egg Incubator

    ESP32 Intelligent Egg Incubator

    ESP32-S3 intelligent egg incubator schematic with camera-based egg verification, load-cell assessment, environmental sensing, heater/humidifier/fan control, servo turning, and OLED status display.

    F

    fsdorado

    +

    U

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • Ultrasonic Distance Meter _v1

    Ultrasonic Distance Meter _v1

    This circuit is an ultrasonic distance meter based on an ATTiny2313 microcontroller. It uses an HC-SR04 ultrasonic sensor to measure distance and displays the results on an OLED display. The power supply is constructed using a Boost converter (TPS613222A) and a 2-cell AA battery. Additionally, it also includes ISP for programming, RESET and START switches, and LED indicators. #project #Template #projectTemplate #ultrasonic #OLED #arduino #attiny2313 #TPS613222A #ISP #referenceDesign #simple-embedded #microchip #template #reference-design .

    C

    cherepanyadima

    3 months ago

    0 Uses

    0 Comments

    0 Stars

  • ESP32-S3 AI Robot Controller

    ESP32-S3 AI Robot Controller

    Compact ESP32-S3 AI robot controller with DevKitC-1 module, 2S Li-ion power input, 5V buck regulator, optional clean 3.3V rail, TB6612FNG dual motor driver, OV2640 camera FPC, I2S audio, OLED, ultrasonic and TCRT5000 sensor headers, and a compact 2-layer PCB prepared for Gerber export.

    A

    ahsanmehmood

    4 months ago

    0 Uses

    0 Comments

    0 Stars

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