MPU-9250
Accelerometer, Gyroscope, Magnetometer, 9 Axis Sensor I²C, SPI Output #sensor #gyro #commonpartslibrary
jharwinbarrozo

6 Forks

109.9k Uses

16 Comments

8 Stars

USB Security Token
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
jharwinbarrozo

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yamilll

41 Forks

253 Comments

29 Stars

Formula SAE IMD Latch
A latching device used to open a relay in the event a Insulation Monitoring Device detects a fault or fails in operation.
psuser2024

3 Forks

7 Uses

5 Stars

Water Level Indicator
Daddy's first PCB. Measures the water level of a potted plant, displays the level using LEDs.
brooks

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jharwinbarrozo
jnk
giulioz
+21

5 Forks

32 Comments

3 Stars

Push Button
A momentary or non-latching switch which causes a temporary change in the state of an electrical circuit only while the switch is physically actuated. SWITCH TACTILE SPST-NO 0.05A 24V
jharwinbarrozo

66 Forks

490.7k Uses

142 Comments

79 Stars