bH3tk1WmIK

#The7thLiChuangElectricityContest#USB Charging Monitor

Overview

Project function introduction:
USB ammeter based on N32G430C8L7 chip + INA199 of National Technology, with an accuracy of 1%, can check the voltage, current and power of USB when it is working.

The hardware part
uses
the main control chip of National N32G430C8L7
INA199 ADC sampling
0.96-inch OLED display screen.

The software part
is developed by Keil and burned with

the competition LOGO for verification.

Design Files

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

Hot

Technical Resources More

Search Datasheet?

Supported by EEWorld Datasheet

Technical Videos More

Forum More

Update:2025-07-02 03:55:17

About accessing physical addresses
I see that the drivers in SMDK6410 access physical addresses to read and write registers, and they all use a function DrvLib_MapIoSpace() to convert the physical addresses of the registers in the manu
Low power external wake-up
I am currently working on a wireless product. Due to structural reasons, I cannot use a button to wake it up. In addition to the Hall switch, are there any other good non-contact wake-up solutions?
The difference between 1N4148, 1N5819 and 1N4007
[size=4]1N4148 is a switching diode with a withstand voltage of 100V, a current of 150mA, and a fast reverse recovery speed. [/size] [size=4]1N5819 is a Schottky diode with a withstand voltage of 40V,
FAQ_ How to lock the program in BlueNRG software to prevent it from being read out
This article was written by Lucien KUANG, an engineer at ST, and was published on 19-Jun-2019 Click to download pdf:Q: Customers sometimes require confidentiality of their products to prevent other co
Share some good content I saw recently in deyisupport
[align=left][size=3][font=微软雅黑][color=#0000ff][b][url=http://www.deyisupport.com/question_answer/microcontrollers/hercules/f/70/t/71453.aspx]Hercules MCU uses HET to implement three-phase complementar
I'm looking for the oem23.inf file under win7 64-bit system (to solve the problem of not being able to install the STM32 virtual serial port driver), thank you!
There are already some great posts on the site about how to completely solve the problem of Win7-64 not being able to install the STM32 virtual serial port driver. Although most people can succeed, I

Datasheet More

Circuits More