It is a board based on STM32L4 with a built-in ethernet IC W5500 that allows you to create IoT projects based on the modern ARM Cortex®-M4 core. A connector with SWD interface and USB C for communication are provided for the firmware
#IoT #ARM #STM #Ethernet #W5500 #IC #project
... show more29 Comments
2 Stars
This is a LoRa soil monitor Reference Design. It uses a STM32L031G6U6S microcontroller and a RFM95W-915S2 LoRa transceiver, integrated with sensor interfacing and LED indicators. Communication occurs via USART and SPI. The system is powered using a battery.
#referenceDesign #simple-embedded #stm #template #reference-design
... show more14 Comments
3 Stars
This project is a doorbell system reference design with an integrated camera. It leverages an ESP32 microcontroller for processing, along with various components including resistors, buzzers, and transistors. The system also features a charging circuitry with a USB-C connection for power supply.
#referenceDesign #edge-computing #edgeComputing #SeeedStudio #template #iot #esp32#camera #reference-design
... show more17 Comments
2 Stars
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 #polygon
... show more4 Forks
14 Comments
2 Stars
This design implements a USB security token powered by an STM32 microcontroller. The device is engineered for compactness and efficient PCB integration while ensuring robust security features. Key elements of the design include:
- **Microcontroller Core:** A STM32F103T8U6 serves as the primary processing unit, handling USB communication and security protocols.
- **USB Interface:** A USB-A plug provides connectivity to the host. Dedicated net portals ensure proper routing of the VBUS, D+, D–, and ground signals.
- **Power Regulation:** A low-dropout regulator supplies a stable 3.3V operating voltage, ensuring low noise and proper current supply to the microcontroller and peripherals.
- **Signal Conditioning and EMI Filtering:** An EMI filter is used to maintain signal integrity and reduce interference while preserving the security token’s functionality.
- **Synchronous Elements:** A ceramic resonator is incorporated to provide a precise clock source for USB data transfer and microcontroller operations.
- **Additional Components:** Surface-mount resistors, capacitors, and LED indicators are deployed to ensure proper conditioning, decoupling, and status feedback. Their compact 0402 packages facilitate a highly integrated design.
- **Connectivity and Net Portals:** Custom net portals are used throughout the schematic to streamline connectivity and PCB layout, keeping the design modular and easy to modify.
This USB security token is designed with industry-standard components and robust connectivity to ensure secure, reliable operation in portable security applications.
#USBToken #STM32 #PCBDesign #SecurityTechnology #PortableSecurity #Microcontrollers #USBInterface #PowerRegulation #EMIProtection #CompactDesign
... show more41 Forks
253 Comments
29 Stars
This is a Pet Tracker Reference Design based on STM32L4. Tracker connects with network by SIM800L module connected to the STM. Also MCU connected to the GPS by uart and send data to server
#STM32 #GPS #G4 #G3 #LTE #IoT #Tracker #smartHomeDevices #referenceDesign #edge-computing #edgeComputing #stm #template #referenceDesign
... show more5 Forks
63 Comments
10 Stars