eckstein Keyestudio ESP-01S User manual

Eckstein Keyestudio
https://eckstein-shop.de/Keyestudio
Keyestudio ESP-01S WiFi to Serial Shield for Arduino
(Black and Eco-friendly)
1. Description:
This is an expansion board for the ESP-01S WiFi module. After power-on, the module is in
BOOT flash mode. The AT command can be directly tested through the serial port on the shield.
To burn the firmware, first press and hold the Flash button on the shield, then click on burning
on the software interface, and press the RST button.
When release the Flash button, the module will enter the download mode and start burning the
firmware.
2. Technical Parameters:
⚫Working voltage: DC 5V
⚫Working current: minimum 500mA
⚫Communication voltage: 3.3V
⚫Environmental attributes: ROHS
⚫Dimensions: 24mm*41.3mm*11.9mm
⚫Weight: 3.8g

Eckstein Keyestudio
https://eckstein-shop.de/Keyestudio
3. Connection Method:
4. Use Method:
1) AT Command Settings
When testing the AT command, you should use a USB to Serial module, that is FT232
module, and an ESP8266 WIFI module.
Connect well and then connect them to your computer using mini USB cable.
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=1UAYAhdqr2iXO49ibkLyV4c2Aieteihs6
Shield
USB to Serial Module
（FT232 Module）
3.3V
5V
GND
GND
TX
RX
RX
TX

Eckstein Keyestudio
https://eckstein-shop.de/Keyestudio
2) Firmware Programming
When setting the AT command, you should use a USB to Serial module, that is FT232
module, and a WIFI to serial shield.
Connect well and then connect them to your computer using mini USB cable.
Then open flash_download_tools_v3.6.5software, click to open.
You can download the flash download tools v3.6.5 from the link:

Eckstein Keyestudio
https://eckstein-shop.de/Keyestudio
https://drive.google.com/open?id=1Zjg-lg7ySsmN4C3A0Oz9UJCdXqtkdf_R
Wait for a minute, pop up the below interface, click the ESP8266 Download Tool.

Eckstein Keyestudio
https://eckstein-shop.de/Keyestudio
Enter the interface to set the firmware burning. This is the address of firmware burning.

Eckstein Keyestudio
https://eckstein-shop.de/Keyestudio
Hold the FLASH button on the shield, and Tap START button, then press RST
button on the shield, release the FLASH button.
The module will enter the download mode. Shown below.

Eckstein Keyestudio
https://eckstein-shop.de/Keyestudio
Firmware download completed, can enter the corresponding software to set the AT command.

Eckstein Keyestudio
https://eckstein-shop.de/Keyestudio
5. Schematic Diagram:
6. Resources Download:
https://drive.google.com/open?id=1cOrE27cVk8ChNXTur8Gm4CGlRHdDuETL