Double-layer USB expansion port:Output 5V 1A
Double-layer USB interface:They are I2C/UART functions
Functionally based on ES32-WROVER (WIFI/Bluetooth) module, 5V relay, buttons, RTC, battery-powered interface, DC socket (5-12V input) battery-powered switch, USB expansion port I2C/UART, USB expansion port are designed The output power supply can supply power and control the current of equipment below 1A.
The back side retains the TF card socket in the same position as the Raspberry Pi, which is a self-popping card socket, which is convenient for plugging in and out.
Chip:ESP32-WAROVER
LCD:3.5 inch capacitive touch screen ST7796 FT6X36/ILI9481 GT911
USB TO TTL:CH9102F
Relay:HFD3 5V 2A
Relay connector:5.08
DC-DC input:5-12V
DC Block Specifications:5.5X2.1
TYPE-C input:5V
USB output:5V 1A
Battery Specifications:3.7V lithium battery
Battery switch:Toggle Switches
Button:RST button, custom button
RTC:PCF8563
Extension pin:2.54 2X20
Colour:black
Material:Plastic + Metal
Package Contents:
1 x host
1 x line
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.

Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
