A common reference point and return path for electric current in electronic circuits—commonly referred to as ground. It serves as the baseline voltage level and is essential for stable circuit operation and signal integrity.

Whenever I ask for a design review, I need you to test each of these individual aspects one by one: - All reset/enable have an external pull-up or pull-down resistors - None of the floating pins require pull-up or pull-down resistors - All resistor’s voltage rating is sufficient for the maximum voltage applied. If any resistor doesn't contain voltage rating please flag this clearly as an error.

Arduino Template based on ATMEGA328P-MU. This MCU is used in Arduino UNO Rev. 3, Arduino Nano V3.0, and some other. This template is a good starting point for your Arduino based project. #template #project #arduino #ATMEGA328P #project-template

Welcome to your new project. Imagine what you can build here.

Simulator Speed Meter.

A preliminary design for developing SMT32F4x series based project that’ll help you get started faster.

Linear Voltage Regulator IC Positive 3.3V Fixed 1 Output 700mA 8-SOIC #CommonPartsLibrary #IntegratedCircuit #PowerManagement #LinearRegulator #VoltageRegulator

Linear Voltage Regulator IC Positive Adjustable 1 Output 1A SOT-223 #CommonPartsLibrary #IntegratedCircuit #PowerManagement

LM1117 Low-Dropout Linear Regulators

4x4 LED Matrix, contains 16 LEDs.

IC USB TYPE-C PORT CONTROL 24QFN USB Type-C DFP Port Controller USB 1.0 3.3V/5V 24-Pin QFN

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

The Robo Project is a mobile robotic platform featuring a Particle Argon board, 4 motor-wheels controlled by L293D drivers, and an HC-SR04 ultrasonic sensor for obstacle detection. It's ideal for exploration, remote control, and robotics education. #allThingsRobotics #project #robot #L293D #car

ARM® Cortex®-M4 STM32L4 Microcontroller IC 32-Bit Single-Core 80MHz 1MB (1M x 8) FLASH 64-LQFP (10x10)

ARM® Cortex®-M4 STM32L4 Microcontroller IC 32-Bit Single-Core 80MHz 1MB (1M x 8) FLASH 64-LQFP (10x10)

Highly integrated power management IC for micro processor units 44-WFQFN (5x6) #CommonPartsLibrary #IntegratedCircuit #PowerManagement #STPMIC1

ARM® Cortex®-M4 STM32L4 Microcontroller IC 32-Bit Single-Core 80MHz 256KB (256K x 8) FLASH 64-LQFP (10x10)