Eckstein komponente Keyestudio KS0388 User manual

Eckstein Keyestudio
1
Keyestudio USB to ESP-01S Wifi Module Serial Port Shield
(Black and Eco-friendly)
1) Description
This is an expansion board for the ESP-01S WiFi module. The shield comes with a USB to Serial
port chip CH340G.
Installed the driver, push the shield’s button to Flash Boot, and plug into computer’s USB port.
You can use Serial debugging tool to test the AT command.
Push the shield’s button to Download, and plug into computer’s USB port, ESP-01 module is at
download mode. You can download the firmware to ESP-01 module using firmware software.
2) Technical Parameters
⚫Working voltage: DC 5V
⚫Working current: minimum 500mA
⚫Communication voltage: 3.3V
⚫Environmental attributes: ROHS
⚫Dimensions: 55mm*18mm*12mm
⚫Weight: 5.6g

Eckstein Keyestudio
2
3) Driver Installation
The USB to serial port chip of this control board is CH340G. So you need to install the chip
driver. You can click the driver file here usb_ch341_3.1.2009.06 to download.
https://drive.google.com/open?id=1E-KGJpTfksqAw174uTVVSDSPknfW6r0N
In different systems, the driver installation is similar. Here we start to install the driver on the
Win7 system.
Plug one end of your USB cable into the Keyestudio ESP-01S WI-FI board and the other into a
USB socket on your computer.
When you connect the WI-FI board to your computer at the first time, right click your
“Computer” —>for “Properties”—> click the “Device manager”, under Other devices, you
should see the “USB2.0-Serial”.
Then right-click on the “USB2.0-Serial” and select the top menu option (Update Driver

Eckstein Keyestudio
3
Software...) shown as the figure below.
Then it will be prompted to either “Search Automatically for updated driver software” or
“Browse my computer for driver software”. Shown as below.
In this page, select “Browse my computer for driver software”.

Eckstein Keyestudio
4
After that, select the option to browse and navigate to the “drivers” folder of usb-ch341
installation.

Eckstein Keyestudio
5
Once the software has been installed, you will get a confirmation message.
Installation completed, click “Close”.

Eckstein Keyestudio
6
Finally, the driver is installed well. You can right click “Computer” —>“Properties”—>“Device
manager”, check out the CH340 device as the figure shown below.

Eckstein Keyestudio
7
Here you can check out the Port COM21.
If you want to modify the COM Port. Follow the methods below.
Right click the USB-SERIAL CH340 (COM21), then select Properties.

Eckstein Keyestudio
8
Pop up the following window, click Port Settings and Advanced.

Eckstein Keyestudio
9
Then you can choose any COM ports as you like.
Here we select COM6, and click OK.
It will pop up the prompt window. Click Yes.
Continue to click OK.

Eckstein Keyestudio
10
Now, set well the COM6. Shown below.

Eckstein Keyestudio
11
4) Use Method
1. AT Command Settings
When setting the AT command, you need to use an ESP8266 WIFI module.
Plug the ESP8266 WIFI onto the shield, and then connect them to your computer’s USB
port using a mini USB cable. Then push the shield’s button to Flash Boot end.
Connected successfully, open the ESP8266 debugging tool, set the baud rate to 115200,
click to open the Serial Port, and click Test the AT.
You should see the data received window will print out AT OK.
To set other AT commands, the method is similar.
You can download the ESP8266 debugging tool from the link below:
https://drive.google.com/open?id=1TS56giNcC3Jd98Rg1mNyWyq13ePnZeyQ

Eckstein Keyestudio
12
2. Firmware Programming
When setting the AT command, you need to use an ESP8266 WIFI module.
Plug the ESP8266 WIFI onto the shield, and then connect them to your computer’s USB
port using a mini USB cable. Then push the shield’s button to Download end.
Then open flash_download_tools_v3.6.5software, click to open.
You can download the flash download tools v3.6.5 from the link:
https://drive.google.com/open?id=1JkBDPF3J11g5cMhsGxDjxbBYEHvqzJ-K

Eckstein Keyestudio
13
Wait for a minute, pop up the below interface, click the ESP8266 Download Tool.

Eckstein Keyestudio
14
Enter the interface to set the firmware burning. This is the address of firmware burning.
Tap START button, the module will enter the download mode. Shown below.

Eckstein Keyestudio
15
Firmware download completed, can enter the corresponding software to program the firmware.
5) Schematic Diagram

Eckstein Keyestudio
16
6) Resources Download:
https://drive.google.com/open?id=1aH42tUFPpDNQI-MwqrtvlAvEwBb7RWFM