Weight:8g
Size:33.8mm*25.2mm
New features in V3.0.0
-Optimized circuit
-Add a deep sleep jumper.
Feature
-11 digital input/output pins, all pins support interrupt/pwm/I2C/one-wire (except D0)
-1 analog input (3.2V maximum input)
-A Micro USB connection
-MicroPython, Nodemcu
-More bottom plate matching