WeMos ESP-WROOM-02 WiFi Module with 18650 Battery Holder

WeMos ESP-WROOM-2 module works similarly with NodeMCU boards with with addition of 18650 Battery Holder.

• 18650 charging system integrated.
• indicate LED inside(Green means full& Red means charging)
• Charging and working could be at the same time.
• 1 Switch could control the power.
• 1 SMT connector could be used to sleep mode
• 1 extra LED could be programmed(Connected with GPIO16[D0])
• 0.5A charging current
• 1A output
• Over charge protection
• Over discharge protection
• 10 digital pins write/read/interrupt/pwm/I2C/one-wire supported(except D0)
• 1 analog input

Here’s the Datasheet of ESP-Wroom-02