What's new about V4.0.0

• Optimize the circuit
• Add LOLIN I2C PORT
• TYPE-C USB port

Features

• 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)

• 1 analog input(3.2V max input)

• Type-C USB Port

• LOLIN I2C Port

• Compatible with MicroPython, Arduino, Nodemcu