Inverter drive circuit diagram + packaging schematic diagram

Special driver for fish machines, with totem variable drive

Schematic PCB

Protues simulation example (8051)-PCF8574 application.rar

Protues simulation example (8051)-PCF8574 application.rar

Schematic PCB

rpi-hq-camera: Connector for Raspberry Pi HQ camera

This design is a connector for the Raspberry Pi HQ camera.

Schematic PCB

MCIMX8M-EVK: i.MX 8M Applications Processor Evaluation Kit

MCIMX8M-EVK is an evaluation kit for i.MX 8MQuad, which provides high performance with high-speed interface and audio and video functions.

Schematic PCB

20 ink screen daisy chain gameplay

Created a daisy chain through the serial port

Schematic PCB

LibreTimeBase: Rubidium clock control board

Schematic PCB

2021 Undergraduate Electronic Design Competition J Title National First Work (Periodic Signal Waveform Identification and Parameter Measurement Device)

Schematic PCB

Monitoring, balancing and protection of 10-cell battery pack

TI Designs TIDA-00449 is a ready-to-use and tested hardware platform for monitoring, balancing and protecting power tool 10-cell series battery packs. Power tools increasingly use high power density battery packs based on lithium-ion or lithium iron phosphate cells, which require explosion protection against incorrect charging or discharging. TIDA-00449 also meets the thermal requirements for power tool battery packs when discharged at sustained high currents.

Schematic PCB

2020 E-Contest Question E-Amplifier Nonlinear Distortion Research Device (Dalian University of Technology)

Schematic PCB

Digital capacitance meter based on GD32F350

 The GD32F350 development board uses the latest ARM Cortex-M4 32-bit general-purpose microcontroller GD32F350RB launched by GigaDevice. This chip comes with a 2-way comparator and is very suitable for making a low-cost digital capacitance meter.

Schematic PCB

Remote control ultrasonic ranging smart car based on arduino

The design uses an Arduino microcontroller as the main control chip to achieve distance measurement and display, and can intelligently avoid obstacles. The operating status of the car can be controlled through the remote control. Its structure is simple, easy to implement, the overall design is reasonable, the work is stable, the performance is good, and the detection Fast speed and easy to achieve real-time control are the design concepts of mainstream intelligent information fusion technology. It has powerful functions, modular design, strong portability, low power, and has a wide range of application fields and development prospects.

Schematic PCB

Open source DIY: WiFi, 4G, 5G remote control drones/unmanned ships, image transmission/data transmission/remote control integration!

Use an idle Android phone to place it on a drone or unmanned vehicle/boat to realize wifi, 4G, 5G remote control of the drone, image transmission/data transmission/remote control integration. Supports APM and Pixhawk flight control (as long as it is compatible with Mavlink protocol), supports RTK differential GPS high-precision positioning (optional function, requires ublox NEO-M8P GPS module and Qianxun FindCM service account).

Schematic PCB

Quad-rotor aircraft electronic control program_can make the quad-rotor aircraft hover stably

Foreign quadcopter codes

Schematic PCB

Intelligent atmospheric corrosion monitor circuit schematic + PCB source file

This intelligent atmospheric environment and corrosive monitoring platform integrates hardware, software, and network. With the stable performance IACM-321 platform system as the core, it realizes multi-level dynamic networking and remote status monitoring. It can be monitored in the monitoring/operation and maintenance center. The front-end system provides centralized monitoring and unified management, and uses customized intelligent terminals to achieve mobile monitoring. Convenient Click connect sensor interface, easy to install on smart terminals.

Schematic PCB

MAXREFDES48#: 24V to 12V, 40W isolated power supply with EFD20 core transformer

The MAXREFDES48# reference design is a high-efficiency, high-precision, isolated DC-DC forward converter with an active clamp, current-mode PWM controller. The converter accepts 18V to 36V DC input and delivers output current up to 3.5A at 12V . Test results and hardware files provide complete documentation for the design. The board is also available for purchase.

Schematic PCB

Modbus_RTU (RS485) fieldbus Remote Inputs/Outputs Modules system design based on GD32E231

This design is based on the design and development of the Modbus_RTU (RS485) bus Remote Inputs/Outputs Modules system of GD32E231.

Schematic PCB

MAXREFDES38#: ECT/EPT current fault sensor

The MAXREFDES38# subsystem reference design is a 3-channel, high-accuracy, low-power analog front-end solution for EPT/ECT and smart-grid current fault-sensing applications. Hardware, firmware, design files, and lab measurements provide complete system information for rapid prototyping and development.

Schematic PCB

4-Channel Class D Amplifier Reference Design for Car Audio Main Body

The TIDA-00573 reference design provides a Class D-based amplifier solution that can be evaluated in a typical Class AB amplifier form factor. The design is optimized to reduce the heat associated with audio amplifiers and minimize the switching noise associated with Class D amplifiers. This design consists of two parts. Part 1 focuses on the audio amplifier module, while Part 2 focuses on the circuitry required when incorporating it into a base board. This pair of boards allows independent performance testing of this design.

Schematic PCB

Lubricating oil detection based on dielectric principle

This design uses LM3S811 as the processor of the lubricating oil dielectric constant detection device, designs the AD5933 impedance measurement circuit, extracts capacitive reactance information from the impedance data, and calculates the change in the lubricating oil dielectric constant based on the change in capacitance to achieve lubrication control. Test the dielectric constant of oil and record the data to find out the change pattern between lubricating oil quality and dielectric constant.

Schematic PCB

12 V-5 W isolated flyback converter based on VIPer122LS

12 V - 5 W isolated flyback converter based on VIPer122LS

Schematic PCB