• 12-24 -> esp controller

    12-24 -> esp controller

    Golf ball dispenser controller with protected 12V-24V DC input, LM2596 5V buck, ESP32 control, INA219 relay-coil sensing, and dry-contact relay output.

    edd03

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    +4

    0 Uses

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  • ESP32 Quadcopter Flight Controller 4ba8

    ESP32 Quadcopter Flight Controller 4ba8

    ESP32-S3 quadcopter flight controller with OV5640 24-pin DVP camera interface, Wi-Fi video link, BLE telemetry, onboard USB-C power/programming, IMU, barometer, ToF altitude sensing, lidar connector, and 4 ESC PWM outputs.

    sensen02

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    0 Uses

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  • Wearable Ultrasound Collar

    Wearable Ultrasound Collar

    Dual-mode wearable ultrasound collar schematic with A-mode sensing, LIPUS therapy, 3 MHz piezo transducer, power management, control, receive chain, ADC, and safety interlocks.

    abhimaaan

    0 Uses

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  • Wind Turbine Boost Charger Controller

    Wind Turbine Boost Charger Controller

    High-power wind turbine charging controller that boosts a 20-40 V, up to 2000 W turbine source to charge a 48 V power bank with sensing, intelligent operating-mode control, and protection including diversion handling.

    elektrotechnika

    0 Uses

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  • Student Energy Meter

    Student Energy Meter

    Single-phase student energy meter using ATM90E26 metering IC, STM32F103 MCU, OLED display, USB-UART communication, transformer voltage sensing, and SCT013 current sensing. Designed for a 2-layer PCB within 150 mm x 150 mm and a BOM target below 50 EUR.

    lenka123

    0 Uses

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  • ESP32 BLDC Motor Controller

    ESP32 BLDC Motor Controller

    Multi-layer circular BLDC motor controller for a 24 V, up to 750 W system using an ESP32-WROOM with DRV8323RS gate driver, six external MOSFETs, 2 mOhm shunt current sensing, bottom-mounted AS5600 encoder, USB-C programming/user interface, 3.3 V logic powered from the DRV8323RS buck regulator, and heavy motor phase pads sized for approximately 30 A current paths. Target layout is a circular board around 50 mm diameter, expandable if required for thermal management, power routing, and signal integrity.

    amird148

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    0 Uses

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  • ESP32 LoRa Sailplane Tracker

    ESP32 LoRa Sailplane Tracker

    Custom PCB for a master's thesis automatic sailplane time-tracking device using an ESP32 with LoRaWAN, GPS6MV2 GPS, RDM6300 RFID reader, BMP280 barometer, ADXL345 accelerometer, and microSD logging. The design targets reliable sensing, onboard event logging, and wireless data transfer in a sailplane environment.

    marco988

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  • Automotive Smart Fuel Pump Controller

    Automotive Smart Fuel Pump Controller

    Automotive smart fuel pump controller with >12 V battery qualification, protected battery input, analog FSCM command following, 25 A current sensing, thermal/fault indication, blue/red LED signaling, and 5-second buzzer alert. Control and fault nets are explicitly terminated to avoid floating or undriven states; any intentionally provisional control nodes are weakly biased to safe defaults during refinement.

    aftermarketindustries

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  • Passive BLE Tracker Locator

    Passive BLE Tracker Locator

    Passive BLE tracker locator with ESP32-S3, 2.4-inch TFT UI, USB-C charging, LiPo battery power, GNSS logging, 2.4 GHz BLE/Wi-Fi energy detection, passive BLE advertisement identification in firmware, and optional ADL5904 cellular-band sensing.

    orestas1500

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  • USB-C Environmental Biosensor Node

    USB-C Environmental Biosensor Node

    Low-power USB-C 5V environmental sensor node with robust input protection, ESP32 Wi-Fi/BLE connectivity, digital temperature/humidity sensing, Bluetooth peripheral syncing, and EEG/PPG sensor interfaces for prototype biosignal acquisition.

    okhellothere

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  • Advanced Health Smartwatch

    Advanced Health Smartwatch

    Advanced health smartwatch platform with multimodal sensing, on-device AI, Wi-Fi plus cellular/eSIM connectivity, secure cloud sync, OTA firmware updates, and automatic emergency outreach over cellular/eSIM for fall and critical-event protection.

    abilkus

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    +2

    0 Uses

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  • kayak mishiz

    kayak mishiz

    Compact kayak and canoe impact sensor PCB with USB-C Li-ion charging, ATmega328P-AU control, ADXL345 breakout sensing, 3.3V regulated power, OLED and ISP headers, and corner mounting holes.

    bsmnt

    0 Uses

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  • Kayak Impact Sensor a953

    Kayak Impact Sensor a953

    Compact kayak and canoe impact sensor PCB with USB-C Li-ion charging, ATmega328P-AU control, ADXL345 breakout sensing, 3.3V regulated power, OLED and ISP headers, and corner mounting holes.

    mattia46

    0 Uses

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  • CombatTrack Smart Sleeve

    CombatTrack Smart Sleeve

    BLE wearable flex PCB with LiPo charging, PPG plus skin temperature, 3-channel EMG, IMU, and piezo impact sensing for a smart compression sleeve

    frankc07

    0 Uses

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  • PCB-A AGM Battery BMS

    PCB-A AGM Battery BMS

    Battery management system PCB-A for an off-grid 12 V AGM lead-acid battery with current sensing, voltage and temperature monitoring, ESP32 control, relay output, split PGND/AGND grounding, and JLCPCB-ready 2-layer layout constraints.

    01dennisbanda

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    0 Uses

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  • Unique Brown Tricorder

    Unique Brown Tricorder

    Cow health-monitoring wearable PCB for a cow-mounted device. Rear strap electronics target 20-25 g and front sensing assembly target about 15 g. Uses an ESP32-based sensor controller, 200 mAh LiPo battery, battery charging circuitry, and interfaces for ammonia, methane, IR temperature, and saliva sensing. Design must tolerate moisture, mucus, debris, vibration, fur contact, and tongue/lick exposure while remaining compact and lightweight for wearable use.

    vigarg

    0 Uses

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  • Amused Gold Replicator

    Amused Gold Replicator

    Wearable closed-loop ultrasonic monitoring and transcutaneous neuromodulation system based on ESP32-C3, powered from a 7.4 V 1000 mAh LiPo battery with TP4056 charging, MT3608 boost conversion, AMS1117-3.3 regulation, JSN-SR04T ultrasonic sensing, LED and buzzer alerts through a BC547 driver, and a reserved neuromodulation interface for future integration.

    karlamarge

    0 Uses

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  • Loyal Peach Scramble Suit

    Loyal Peach Scramble Suit

    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.

    rudhrarajus

    0 Uses

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  • Sim Scada

    Sim Scada

    SCADA Sensor Node v2.1 using a Heltec WiFi LoRa 32 V4 module with separate +5V and board-generated +3V3 rails, ADS131M08 8-channel ADC front end, TCA9548A I2C multiplexer, TMP102-based fan control, ULN2003A relay and fan driver, CT/pressure/analog/One-Wire/vibration/humidity/Qwiic/flow/digital sensor interfaces, relay outputs, fan connector, brownout sensing, and a 200 mm x 140 mm 2-layer layout with Heltec keepout, antenna clearance, mounting holes, and DIN-rail slots.

    auzzironi

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    0 Uses

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  • Striped Silver Heat-Ray

    Striped Silver Heat-Ray

    Compact wearable smart cat collar PCB focused on ultra-low power, miniaturized size, curved-edge waterproof-friendly mechanical fit, GNSS tracking, motion sensing, RFID compatibility, Li-ion charging, and robust mass-production readiness.

    yanghaorun

    0 Uses

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  • Female Maroon Battle Mech

    Female Maroon Battle Mech

    Wearable health device prototype schematic with ECG sensing via AD8232, motion sensing via BNO085 or BMI270 IMU breakout, on-board processing using TI TM4C123G LaunchPad or MSPM0G3507 LaunchPad, optional ESP8266 Wi-Fi, LiPo battery charging with MCP73831, regulated 3.3 V power from TPS63031 buck-boost or AP2112 LDO prototype option, and user interfaces including electrode connector, JST battery connector, programming header, and optional on/off switch.

    neevmehra

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  • Yodelling Olive Heat-Ray

    Yodelling Olive Heat-Ray

    Self-Powered RF Transceiver Module for EM Sensing with RF Prescaler, Divider Chain, and ESP32-S3 Interface

    apranchitkara

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    0 Uses

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  • Compressor PCB

    Compressor PCB

    Compressor PCB - ESP32-S3 HVAC field sensing (24 VAC + CT + UART)

    miquiis

    0 Uses

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  • Coffee Waker Main HQ W/ Module V5.0.1 57d8

    Coffee Waker Main HQ W/ Module V5.0.1 57d8

    Coffee Waker main control board for an alarm-enabled coffee maker. It coordinates wake-up functions including brewing-related control, lighting, audio, sensing, and appliance interfacing to prepare and signal a scheduled wake-up experience.

    ryanf

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  • Faint Aqua Carbonite Freezer

    Faint Aqua Carbonite Freezer

    Power Tree and Actuator Driver with Robust Filtering, Current Sensing, PGOOD Sequencing, and Star-Tie Grounding

    haiderp

    0 Uses

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    0 Stars