GPIO 1 into 2:
PCB layers: 2 layers
PCB thickness: 1.6mm
ESP32 shield 30P expansion board
The esp32 breakout board can expand 1GPIO pin of esp32 development board to 2, convenient to reuse all pins in smart home DIY projects.
Double-layer PCB board:
One pin is wired on both sides.Stable and highly reliable
Great contact and stable signal transmission for your esp32 board.
Only compatible with 30 PIN version ESP-WROOM-32 development board. Not applicable to other versions.

ESP32 module:
Small volume, narrow, easily embeded to other products
Strong function with support LWIP protocol, Freertos
Supporting three modes: AP, STA, and AP+STA
Supporting Lua program, easily to develop
Lua programming language support
Complete microcontroller with WLAN (802.11bgn) and Bluetooth (Classic and LE)

Package include:
1 x ESP32 development board
1 x ESP32 breakout board

The esp32 breakout board has two rows of pins, 15 each, for a total of 30 pins.
ESP32s development board support Lua program, easy to develop, support of three modes: AP, STA and AP + STA
The esp32 breakout board can expand one GPIO pin of esp32 development board to 2, convenient to reuse all pins in smart home DIY projects
The expansion board is a double-layer board. One pin is wired on both sides. Therefore, the circuit is stable and highly reliable, and there will be no poor circuit contact and unstable signal transmission
The breakout board is only fit for 30 pins ESP32 development board. Not applicable to other versions