Open source DAP isolation simulator design (schematic diagram + source code)

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Open source HC-05 Bluetooth module and Arduino entry reference solution

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4A CNC regulated power supply reference design (schematic diagram + program)

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[Open source information] ARM7 development board drawings hardcover version schematic + PCB source file

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Four-axis aerial photography aircraft circuit scheme is free and open source

Four-axis drone based on STM32. With STM32 as the control core, four-axis aircraft as the carrier, and gimbal as the aerial photography system. The hardware consists of flight control circuit, power management, communication module, power system, frame, and gimbal servo system. The algorithm uses simple and stable quaternion plus complementary filtering as the attitude solution algorithm, and PID as the controller to realize flight, gimbal stabilization and other functions. It has the characteristics of flexibility, lightness, ductility, and good adaptability.

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Digital image processing and recognition solution based on ART-PI

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Typical application circuit of BM2P033 PWM AC/DC converter

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The evaluation board AL1663EV uses the AL1663 flyback LED driver controller to provide a cost-effective solution for high brightness LED applications

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Dream Maker 3D Printer Mainboard Reference Schematic

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85VAC-264VAC Input, 18V/130mA Output Universal AC-DC Non-Isolated Buck Converter Reference Design Based on UCC28880

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FPGA minimum system board EP4CE6E22C8 (can be directly opened) reference design

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Design of air environment monitoring system based on ZIGBEE (Graduation Project)

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16th NXP bicycle rally group control board design solution

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Wireless digital full-duplex intercom solution (circuit + source code)

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Digital Traffic Light Reference Design (with Multisim simulation circuit + principle document)

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LED Drivers for LCD Backlight

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Carbon dioxide and dust monitor based on Arduino Nano RP2040 (PCB + code)

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Allwinner V3S reference solution is free and open source (PCB + schematic)

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ThinkBoard LoRa Node development board based on ESP32 (reference solution)

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Common component 3D model package library - Altium Designer

The resource is a 3D package library (STEP model) of common components available for Altium Designer, including 42 3D model libraries of common SMD components; 17 inductors, resistors and capacitors; 38 common connectors; 34 common light-emitting and display devices, a total of more than 130 exquisite 3D models of common components.

Schematic PCB