#The7thLiChuangElectricityContest#USB Ammeter

Note: * is a required field,
please fill it out during the registration stage↓
 
* 1. Project function introduction:
Using N32G430C8L7 microcontroller and INA199A1DCKR, a USB current, voltage and power meter is implemented, and the SPI screen is used to display it!
* 2. Project attributes:
Participating in the 7th Jiali Chuang Electric Competition project!
* 3. Open source agreement
GPL3.0 open source
* 4. The hardware part
uses Jiali Chuang EDA to complete the schematic diagram and PCB production. Using N32G430 microcontroller, a TFT LCD screen is driven through the SPI protocol to display the current, voltage and power values. The current is realized through INA199A. The chip needs to pay attention to IN+ and IN- not to be connected in reverse, and the voltage is realized through resistor voltage division!
 
* 5.
The source code of the software part is attached. Pay attention to the initialization of the port in the software design. If this is correct, the others are relatively easy!
 
* 6. BOM list
: See the BOM list below. All components are purchased in Lichuang Mall!
 
* 7. Competition LOGO verification:
Please upload a project picture containing the competition logo. The logo is printed on the PCB in the form of silk screen.
Click on the zip to download the competition logo! (Competition logo).zip
 
* 8. Demonstrate your project and record it into a video. Upload
the video in the attachment!