Experimental 21V/5S Li-ion DeWalt battery charger with 21V DC input, relay-switched charge path, tap monitoring, ESP32-WROOM external controller interface, test header, and 2-layer prototype PCB intent.

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.

Simple bus-powered USB audio interface for MacBook Air and Ableton Live using a USB audio codec, stereo analog input and output path, monitoring buffer stages, USB-C power and data connectivity, and low-noise PCB guidance.

Gay Teal P.K.E. Meter with MP2650 USB-C battery charger section finalized, including 1.5uH power inductor and current-sense monitoring filter placeholders for later integration.

Gay Teal P.K.E. Meter with MP2650 USB-C battery charger section finalized, including 1.5uH power inductor and current-sense monitoring filter placeholders for later integration.

Blockchain-Enabled Vaccine Transport Monitoring System

System Architecture Overview with PWM Interface, Power Stage, Protections, EMI Filters, Connectors, Hall-Effect Current Monitoring, 4-pin JST-XH Control Header, Isolation & Default-OFF PWM Behavior, Compact Mechanical Layout #hall-sensing #isolated-control #compact-layout

ESP32-C3 Smart 3S Li-ion/LiPo Battery Management System with Per-Cell Monitoring and Protection

USB Type-C PD Downstream-Facing Port design featuring TPS25740 PD controller, LM5175 buck converter, integrated protections and precision monitoring..

Portable Fetal Monitoring System with ESP32, AD8232 FECG Front-End, and MAX30102 PPG Sensor

USB Type-C PD Downstream-Facing Port design featuring TPS25740 PD controller, LM5175 buck converter, integrated protections and precision monitoring..

USB Type-C PD Downstream-Facing Port design featuring TPS25740 PD controller, LM5175 buck converter, integrated protections and precision monitoring..

USB Type-C PD Downstream-Facing Port design featuring TPS25740 PD controller, LM5175 buck converter, integrated protections and precision monitoring..

USB Type-C PD Downstream-Facing Port design featuring TPS25740 PD controller, LM5175 buck converter, integrated protections and precision monitoring..

4U Rack-Mount MPCP Server for High-Performance Telco & Cloud – Redundant, Isolated Multi-Rail Power, High-Speed I/O, Advanced Monitoring

This project is a reference design based on the BQ24075RGTT, a single cell Li-Ion battery charger. It manages the power between an external power source (VIN), a Li-Ion battery (BAT), and a system power rail (SYS). Key features include power-path management, battery thermistor monitoring, and charge status indication. #project #BQ24075 #ReferenceDesign #charger #BatteryManagement #referenceDesign #bms #texas-instruments #template #reference-design

USB Type-C PD Downstream-Facing Port design featuring TPS25740 PD controller, LM5175 buck converter, integrated protections and precision monitoring..

USB Type-C PD Downstream-Facing Port design featuring TPS25740 PD controller, LM5175 buck converter, integrated protections and precision monitoring..

USB Type-C PD Downstream-Facing Port design featuring TPS25740 PD controller, LM5175 buck converter, integrated protections and precision monitoring..

USB Type-C PD Downstream-Facing Port design featuring TPS25740 PD controller, LM5175 buck converter, integrated protections and precision monitoring..

USB Type-C PD Downstream-Facing Port design featuring TPS25740 PD controller, LM5175 buck converter, integrated protections and precision monitoring..

USB Type-C PD Downstream-Facing Port design featuring TPS25740 PD controller, LM5175 buck converter, integrated protections and precision monitoring..

USB Type-C PD Downstream-Facing Port design featuring TPS25740 PD controller, LM5175 buck converter, integrated protections and precision monitoring..

USB Type-C PD Downstream-Facing Port design featuring TPS25740 PD controller, LM5175 buck converter, integrated protections and precision monitoring..

USB Type-C PD Downstream-Facing Port design featuring TPS25740 PD controller, LM5175 buck converter, integrated protections and precision monitoring..

USB Type-C PD Downstream-Facing Port design featuring TPS25740 PD controller, LM5175 buck converter, integrated protections and precision monitoring..

Compact 4-channel power meter using ESP32-C3, ACS712 sensors, ADS1015 ADC, relay control and I²C connectivity for efficient energy monitoring. #PowerMeter #ESP32 #IoT #EnergyMonitoring

ETCO2 Meter Monitoring system

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.

The Coffee Waker is a unique, full-featured coffee maker alarm clock designed to brighten your morning routine with the irresistible aroma of freshly brewed coffee. By seamlessly integrating multiple high-performance components onto a single main board, the Coffee Waker delivers both functionality and innovation: - **Processing & Connectivity:** Powered by an ESP32-S3, it offers built-in WiFi and Bluetooth, enabling smart scheduling, remote control, and over-the-air updates. - **Precision Sensing:** A 16-bit load cell ADC provides accurate measurements, ensuring precise weight sensing for coffee bean dosing or liquid volume monitoring. - **Quality Audio Output:** The onboard 16-bit MP3 DAC guarantees clear audio playback, from alarm sounds to any custom wake-up messages you program. - **Robust Power Handling:** With a 120V heater cartridge relay and a 12V wakeup light converter integrated, the board safely manages high voltage switching and provides a visually soothing light routine. - **Thoughtful Integration:** Designed with automotive-grade components, precision regulators, and careful signal routing, the Coffee Waker Main Board combines performance with reliability while keeping a compact footprint. Overall, the Coffee Waker transcends the ordinary alarm clock, merging daily utility with modern connectivity and a touch of luxury—making it the perfect addition to any nightstand. #CoffeeWaker #SmartHome #CoffeeMaker #AlarmClock #MorningRoutine #Technology #Innovation

Welcome to our cutting-edge project featuring a single-cell power bank design optimized for a robust 30,000 mAh capacity. This innovative power bank delivers a powerful USB-C output at 5V/3A, ensuring efficient charging and dependable power for all your devices. Leveraging the advanced capabilities of the Texas Instruments BQ25895 chip, the design offers superior battery charging and integrated power management. Additionally, the inclusion of a precise fuel gauge provides accurate battery level monitoring, making it ideal for users who demand reliability and performance. Experience the future of portable power with this state-of-the-art, high-capacity solution. #PowerBank #SingleCellPowerBank #30000mAh #USBC #BatteryManagement #FuelGauge #BQ25895

The Coffee Waker is a unique, full-featured coffee maker alarm clock designed to brighten your morning routine with the irresistible aroma of freshly brewed coffee. By seamlessly integrating multiple high-performance components onto a single main board, the Coffee Waker delivers both functionality and innovation: - **Processing & Connectivity:** Powered by an ESP32-S3, it offers built-in WiFi and Bluetooth, enabling smart scheduling, remote control, and over-the-air updates. - **Precision Sensing:** A 16-bit load cell ADC provides accurate measurements, ensuring precise weight sensing for coffee bean dosing or liquid volume monitoring. - **Quality Audio Output:** The onboard 16-bit MP3 DAC guarantees clear audio playback, from alarm sounds to any custom wake-up messages you program. - **Robust Power Handling:** With a 120V heater cartridge relay and a 12V wakeup light converter integrated, the board safely manages high voltage switching and provides a visually soothing light routine. - **Thoughtful Integration:** Designed with automotive-grade components, precision regulators, and careful signal routing, the Coffee Waker Main Board combines performance with reliability while keeping a compact footprint. Overall, the Coffee Waker transcends the ordinary alarm clock, merging daily utility with modern connectivity and a touch of luxury—making it the perfect addition to any nightstand. #CoffeeWaker #SmartHome #CoffeeMaker #AlarmClock #MorningRoutine #Technology #Innovation

HVAC System controller board. Features 4 10A250VAC relays (For power control), a BME680 for environmental monitoring and a 5v-35v driver to control up to 2 DC motors. #esp32 #iot

This project is a reference design based on the BQ24075RGTT, a single cell Li-Ion battery charger. It manages the power between an external power source (VIN), a Li-Ion battery (BAT), and a system power rail (SYS). Key features include power-path management, battery thermistor monitoring, and charge status indication. #project #BQ24075 #ReferenceDesign #charger #BatteryManagement #referenceDesign #bms #texas-instruments #template #reference-design

HVAC System controller board. Features 4 10A250VAC relays (For power control), a BME680 for environmental monitoring and a 5v-35v driver to control up to 2 DC motors. #esp32 #iot

A latching device used to open a relay in the event a Insulation Monitoring Device detects a fault or fails in operation.

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.

Arduino-Based Automated Irrigation System with Virtual Water Tank Monitoring

This project is a reference design based on the BQ24075RGTT, a single cell Li-Ion battery charger. It manages the power between an external power source (VIN), a Li-Ion battery (BAT), and a system power rail (SYS). Key features include power-path management, battery thermistor monitoring, and charge status indication. #project #BQ24075 #ReferenceDesign #charger #BatteryManagement #referenceDesign #bms #texas-instruments #template #reference-design #polygon

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.

This project is a reference design based on the BQ24295, a single cell Li-Ion battery charger. It manages the power between an external power source (VIN), a Li-Ion battery (BAT), and a system power rail (SYS). Key features include power-path management, battery thermistor monitoring, and charge status indication. #project #BQ24295 #ReferenceDesign #charger #BatteryManagement #referenceDesign #bms #texas-instruments #template #reference-design #polygon

This project is a reference design based on the BQ25890, a single cell Li-Ion battery charger. It manages the power between an external power source (VIN), a Li-Ion battery (BAT), and a system power rail (SYS). Key features include power-path management, battery thermistor monitoring, and charge status indication. #project #BQ25890 #ReferenceDesign #charger #BatteryManagement #referenceDesign #bms #texas-instruments #template #reference-design #polygon

This project is a reference design based on the ISL6292, a single cell Li-Ion battery charger. It manages the power between an external power source (VIN), a Li-Ion battery (BAT), and a system power rail (SYS). Key features include power-path management, battery thermistor monitoring, and charge status indication. #project #ISL6292 #ReferenceDesign #charger #BatteryManagement #referenceDesign #bms #renesas #template #reference-design #polygon

This project is a reference design based on the BQ25895, a single cell Li-Ion battery charger. It manages the power between an external power source (VIN), a Li-Ion battery (BAT), and a system power rail (SYS). Key features include power-path management, battery thermistor monitoring, and charge status indication. #project #BQ25895 #ReferenceDesign #charger #BatteryManagemen #referenceDesign #bms #texas-instruments #template #reference-design

Device embedded with sensors and actuators, capable of monitoring stress levels and providing personalized feedback to help users manage stress effectively. The device will be made from smart fabric integrated with sensors to detect physiological signals associated with stress. It will provide real-time feedback through haptic or visual cues to guide users in practicing relaxation techniques

A Bluetooth Power Logger utilizing Seeed Studio's XIAO nRF52840 uC Power Monitoring handled using the INA260 IC, this design should be safe for usage under 36V 8A. Higher current rating will require larger trace widths on the main power trace. Attach your Power Supply to V+ and GND. Then attach your loading device to LOAD+ and GND.

we make a project those protection of induction motor protection using arduino R3. my protection is Overcurrent Protection, Overvoltage and Under voltage Protection, Vibration Monitoring, User Interface, Audible Ale, rts, Calibration and Adjustability, Voltage Regulation, all protection show on led display 16×2

A specialized capture and containment system designed for managing dangerous xenomorph specimens. Includes remote monitoring and rapid quarantine features.

Here’s a detailed project description prompt that you can use to generate the circuit: --- ### Project Description for Circuit Generation **Project Title**: Vehicle-to-Vehicle (V2V) Communication System for Preventing Dangerous Overtaking Maneuvers **Objective**: The prime objective of this project is to develop and implement a Vehicle-to-Vehicle (V2V) communication system that enhances road safety by preventing dangerous overtaking maneuvers. This system will provide real-time alerts to drivers about the presence and intentions of nearby vehicles, reducing the risk of collisions and improving overall traffic flow on highways. **Components**: 1. **Microcontroller (e.g., Arduino)** 2. **GPS Module (NEO-6M)** 3. **LoRa Module (SX1272)** 4. **Audio/Visual Alert Systems (e.g., Buzzer, LEDs)** 5. **SD Card Module** 6. **LM7805 Voltage Regulator** 7. **9V Battery** **Connections**: 1. **Power Supply**: - **9V Battery**: - Positive to **LM7805 Voltage Regulator Input** - Negative to **Common Ground** - **LM7805 Voltage Regulator**: - Output to **5V Rail (VCC)** - Ground to **Common Ground** 2. **Microcontroller (e.g., Arduino)**: - **Power**: - VCC to **5V Rail (VCC)** - GND to **Common Ground** 3. **GPS Module (NEO-6M)**: - **Power**: - VCC to **5V Rail (VCC)** - GND to **Common Ground** - **Communication**: - TX to **RX (Digital Pin) of Microcontroller** - RX to **TX (Digital Pin) of Microcontroller** (if needed) 4. **LoRa Module (SX1272)**: - **Power**: - VCC to **3.3V or 5V (based on module specification)** - GND to **Common Ground** - **SPI Communication**: - MOSI to **MOSI (Digital Pin) of Microcontroller** - MISO to **MISO (Digital Pin) of Microcontroller** - SCK to **SCK (Digital Pin) of Microcontroller** - NSS to **CS (Digital Pin) of Microcontroller** 5. **Audio/Visual Alert System (Buzzer, LEDs)**: - **Buzzer**: - Positive to **Digital Output Pin** of Microcontroller through a resistor - Negative to **Common Ground** - **LEDs**: - Anode (Positive) to **Digital Output Pin** of Microcontroller through a resistor - Cathode (Negative) to **Common Ground** 6. **SD Card Module**: - **Power**: - VCC to **3.3V or 5V (based on module specification)** - GND to **Common Ground** - **SPI Communication**: - MOSI to **MOSI (Digital Pin) of Microcontroller** - MISO to **MISO (Digital Pin) of Microcontroller** - SCK to **SCK (Digital Pin) of Microcontroller** - CS to **Digital Pin of Microcontroller** **System Functionality**: - **System Initialization and Configuration**: Ensure the microcontroller and communication modules are correctly initialized and configured for optimal performance. - **GPS Signal Acquisition and Data Parsing**: Accurately acquire and parse GPS data to determine the vehicle's current location and speed. - **Vehicle Position and Speed Calculation**: Calculate precise vehicle position and speed in real-time to provide accurate data for communication. - **V2V Communication Establishment**: Establish a reliable communication link between vehicles using the LoRa module to transmit and receive data. - **Overtaking Intention Detection and Signal Transmission**: Detect overtaking intentions and transmit this information to nearby vehicles to alert them of potential hazards. - **Signal Reception and Processing by Nearby Vehicles**: Ensure nearby vehicles can receive and process overtaking signals to determine the position and speed of the overtaking vehicle. - **Driver Alert Generation**: Generate audio and visual alerts to inform drivers of the presence and intentions of nearby vehicles, especially during overtaking. - **Continuous Monitoring and Data Logging**: Continuously monitor the system's performance and log relevant data for analysis and future improvements.

System for monitoring the weight of a bee hive that will allow for the health of a hive to monitored remotely.