# How to use PYNQ OS to develop your work

## Find the hardware ip of your development board
1. Type ip address at the PYNQ OS environment (Use uart to connect your board)

2. Type the address on your browser and add :9090
3. The password is "xilinx"
4. You can loggin the jupyter_notebook of PYNQ
## Create a new python3 program and include the critical library
## Use the overlay to select your hardware design

## Follow the driver generated by hls tool to assign data
> **You can find the file at the hls project**
> /hls_ecdsa_sign_prj/solution0/impl/misc/drivers/ecdsa_sign_v1_0/src/