Portable solar oscilloscope based on STM32

Abstract

The invention discloses a portable solar oscilloscope based on STM32. The portable solar oscilloscope comprises a power supply circuit, an attenuation circuit, a program-controlled gain circuit, a detection circuit, a signal moving circuit, an STM32 circuit, a signal generator, a user interface circuit and a Bluetooth communication module, wherein the solar cell power supply circuit is connected with each module circuit power supply; the attenuation circuit is connected with an external signal input port and the program-controlled gain circuit; the program-controlled gain circuit is connectedwith the attenuation circuit, the detection circuit, the STM32 circuit and the signal moving circuit; the detection circuit is connected with the attenuation circuit and the program-controlled gain circuit; the signal moving circuit is connected with the program-controlled gain circuit and the STM32 circuit; the STM32 circuit is connected with the signal moving circuit, the signal generator, the user interface circuit and the Bluetooth module circuit; and the signal generator is connected with the STM32 circuit and the detection circuit. According to the portable solar oscilloscope, the parameters such as amplitude, frequency, frequency spectrum and amplitude-frequency characteristics of special signals can be accurately measured.

Description

technical field [0001] The present invention relates to the observation of basic waveform, amplitude and frequency parameters of arbitrary signals such as sine wave, square wave, triangular wave and synthetic wave, as well as frequency spectrum analysis of signals, amplitude-frequency characteristic curve test function of external devices, and mobile phone terminal Read the parameters of the stored measurement signal in real time. Background technique [0002] With the rapid development of global electronic science and technology, electronic circuit design is becoming more and more mature, information transmission methods are faster and more diversified, and signals are gradually popularized from high-end technicians to ordinary students and workers. Due to different signal processing methods, each Signals of various shapes, frequencies, and amplitudes emerge in endlessly, and the oscilloscope was born as the only tool for observing signals. However, the traditional oscillos...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a solar portable oscilloscope based on STM32, aiming to solve the problems of large size, inconvenient portability, wired power supply, different input signal amplitude requirements for different tested signals, basic signal measurement, spectrum analysis, amplitude-frequency characteristic test and data analysis of the oscilloscope. Remote transmission display and other issues

Images