Introduction: This system uses TI's MSP432P401R as the control core, uses sequential equivalent sampling and FFT algorithms, and combines the automatic gain control module, internal ADC module and WIFI module to design and implement a signal distortion measurement device. Won the second prize nationally.
Introduction: Supports common protocol inputs such as PD and QC, supports DC5-20V input, 0-24V, 0-5A adjustable CNC regulated power supply, and comes with three sets of commonly used fixed voltage outputs
Introduction: Learn about brushless motor drivers and brushless driver boards, and try to draw one. The typec port only supplies power to the mcu. DC can power MCU and other devices at the same time.
Introduction: The module is powered by a standard USB power supply, and has a switch-type boost circuit on the board to achieve a continuously adjustable voltage output of 4.8V~19V and a linear voltage output of 3.3V. It can be used as a simple desktop power supply or as an emergency power supply for hardware engineers when outdoors or on business trips.
Introduction: A light-sensitive sensor module designed based on LM393 and photoresistor 5528. It has high level with light and low level without light, which is adjustable.
Introduction: Infrared speed measurement module with ambient light suppression
Introduction: Ultrasonic ranging ruler based on STC8H3K microcontroller
Introduction: Based on the open source Riding isolation board developed by pkintel, the leader of station B, modified according to my own experience of using it.
Introduction: AD620 weighing pedal signal amplifier used with MMOS firmware
Introduction: USB ammeter based on N32G430C8L7+INA199, with an accuracy of 1%, can check the current when USB is working. This is a version that supports fast charging.
Introduction: [2022 LiChuang Summer Training Camp] USB ammeter based on N32G430C8L7+INA199, with an accuracy of 1%, can check the current and voltage when USB is working.
Introduction: This is a dual-purpose instrument that can measure withstand voltage and insulation.
Introduction: Use N32G430C8L7 microcontroller and INA199A1DCKR to implement a USB current, voltage and power measurement meter, and display it with SPI screen!
Introduction: Station B’s UP main runner Jiao Xiong’s self-made 30 yuan light meter has been modified
Introduction: USB power meter made using National Technology N32G430 MCU
Introduction: A high-precision phase-shifting amplifier circuit based on MCP41010 digital potentiometer, two-stage operational amplifier and phase-shifting design, 2*2=4 times amplification, and can achieve 0-300° phase shift in the range of 10k-100kHz
Introduction: National College Student Intelligent Car Competition Electromagnetic Forward-looking Open Source Project
Introduction: Fossil i6X model aircraft remote control battery compartment modified to ELRS tuner
Introduction: Based on the N32G430 series MCU, it is a real-time attitude display demonstration for the main control. It collects attitude data and converts it into the real-time attitude of the module and displays it on the OLED. It can also be reported to the four-axis host computer through the serial port and the real-time attitude is displayed on the host computer. .
Introduction: MSPEXP432E401Y is used as the main control chip. The analog-to-digital conversion channel inside the chip collects data from the periodic signal generated by the function/arbitrary waveform generator, and then obtains the THD value of the measured signal, with a fundamental frequency of 1kHz-100k fifth harmonic. , THD measurement
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