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

Voice-Controlled LTE Print-on-Demand Terminal (Quectel EC800M + ESP32-WROOM-32D BT Printer Interface, Protected USB-C 5 V Input, Unified 3.3 V Logic Rail, 8.5 V/3 A Printer Supply with High-Side FET & Protections, Locked Display/Audio/Radio I/O — Layout-Ready) #EC800M #USB-C-Protected #3V3Only #8.5V3A #LockedI/O

Wireless Module & Sensor Interface Placement Guidance

Bidirectional 5–24 V / 10 A Synchronous 4-Switch Buck-Boost Converter with STM32F103 Control and UART Interface

ESP32S3 XIAO ePaper HAT+ Driver Board with Integrated Power Rails and SPI Interface

EcoCore ESP32 Reference Board – Final Net Mapping, Protection Ratings, 4-Layer PCB Prep, and Integrated USB-C Programming Interface with USB-UART Bridge, CC Pull-Downs, Low-Capacitance ESD Protection, and Isolated USB 5V / 5V Actuator / 12V Rails (with Verified DRC/ERC Status and Pre-Production Layout Checklist)

This project is a motherboard for the ESP32-CAM module, which enables easy and flexible WiFi camera applications. The motherboard provides power supply, programming interface, and GPIO expansion for the ESP32-CAM. It also supports external sensors for more functionality. #motherboard #WiFi #MCU #ReferenceDesign #project #ESP32 #camera #reusable #module #edgeComputing #espressif #template

Dual K-Line & L-Line RP2040 Interface with L9613 Transceivers and JST VH Connectivity

Ruggedized Neutrik EtherCON RJ45 Ethernet Interface PCB with ESD Protection

Active USB-C Wi-Fi & BLE Environmental Sensor Node with Cloud Connectivity and Integrated Six-Button User Interface

PCB Layout with Manual Component Placement by Interface

Teensy4.0 Flow Meter Interface with LED Driver and Signal Conditioning

ATmega328P Dual Sabertooth Motor Controller Interface with Encoder Feedback and Protected 5V Input (KiCad 9, Compact Design)

Nextion HMI & Thermal Printer UART Integration with Enhanced microSD SPI Interface, ESD Protection, and LP3982-Regulated 3.3V Power Rail

Nextion HMI & Thermal Printer UART Integration with Enhanced microSD SPI Interface, ESD Protection, and LP3982-Regulated 3.3V Power Rail

Ultra-Minimal 8-Channel 3.3V Sensor Interface Board Using Seeed XIAO SAMD21 & LMC6484IMX-TI on Compact 80×25mm PCB

ESP32-WROOM-32 Wearable Health Monitor with MAX30102, MPU6050, OLED, Camera Interface, and Advanced Power Management

Integrated OBD-II to UART Interface Board — Updated Project Description and Verification Plan

CM5-based controller updated with SD card interface support: 47k pull-ups on CMD and DAT0-DAT3, local 100nF and 10uF decoupling on the SD 3.3V rail, and card-detect reserved as a future option because the current SD module symbol does not expose a detect pin.

This project is a Wearable Accelerometer based on BHI160B sensor with an I2C interface. The design includes decoupling capacitors and pull-up resistors for signal integrity. It's powered by a 3.3V supply. #wearables #referenceDesign #project #sensor #accelerometer #BHI160B #referenceDesign #imu #stm #template #reference-design

This is a WiFi to Infrared (IR) gateway reference design leveraging an ESP32-S3 microcontroller for WiFi connectivity. It also incorporates a Type-C USB interface for data and power, 3 LEDs (red, green, & IR), and voltage regulation. It facilitates wireless control of IR devices, suitable for home automation projects. #referenceDesign #edge-computing #espressif #template #IR #project #reference-design

Introducing our innovative modular, AI-powered DIY laptop carrier board project! This design focuses on a step-by-step approach, starting with a solid architectural scaffold that lays the groundwork for a high-performance system. The project is built around a hierarchical schematic structure including: • A Top Sheet outlining the system overview and power tree • SoM Connectors organized into three 100-pin assemblies (two CM4/5-compatible and one dedicated to high-speed operation) • Dedicated Power/PD management • An M.2 A+E interface for the Coral TPU (PCIe x1 from PORT0) • An M.2 M-key interface for an NVMe SSD (PCIe x2 from PORT1) • Comprehensive USB & Hub configurations • A microSD integration module • Supervisory and Reset controls The design aligns with cost-effective 4-layer board stackup practices (JLCPCB friendly) while following best high-speed design guidelines for USB/PCIe integrity. The integrated silkscreen placeholders feature custom sci-fi fonts for a unique, personal branding touch. Key routing notes include precise PCIe lane mappings based on the Orange Pi CM5 manual, ensuring clean ground return paths, effective decoupling, and proper AC-coupling placement. With paired USB hubs optimized for minimal depth and latency and robust power sequencing strategies, this project is poised to evolve into a high-speed, scalable prototype. #DIYElectronics #ModularDesign #PCBDesign #EmbeddedSystems #PCIe #USBDesign #OrangePiCM5 #TechInnovation #HighSpeedElectronics

This project is a motherboard for the ESP32-CAM module, which enables easy and flexible WiFi camera applications. The motherboard provides power supply, programming interface, and GPIO expansion for the ESP32-CAM. It also supports external sensors for more functionality. #motherboard #WiFi #MCU #ReferenceDesign #project #ESP32 #camera #reusable #module #edgeComputing #espressif #template

Raspberry Pi Zero 2W with 5V MQ Gas Sensor and ADS1115 I²C ADC: Breadboard Interface Design

This is a reference design for TJA1059TKJ Dual high-speed CAN transceiver with Standby mode. It offers advanced features, such as wake-up capability and high-speed data rates, making it suitable for automotive and industrial applications. #MCP25612FD #CANbus #transceiver #highspeed #automotive #referenceDesign #project #CANbus #interface #transceiverCircuit #TJA1059TKJ #referenceDesign #canbus #nxp #template #reference-design