WEMOS ESP-WROOM-02 MAINBOARD D1 MINI WIFI MODULE IN SOUTH AFRICA

Description: This develop board integrated ESP8266 and 18650 battery. A standard 3000mAH 18650 battery could run it 17 hours. What is it? You can call it "WiFi Battery". I added a 18650 battery to ESP8266 make ESP8266 more easy to develop projects. Why did you make it? When you do some ESP8266 projects you must hate to add a power bank to provide the power. This tiny board could solve such problems. A 3000mAH 18650 battery could make ESP8266 run 17 hours or more. What makes it special? · Same with NodeMCU. · 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 Be careful + and -. If you put the wrong direction of battery the charging chip will be destroyed. This product does not include 18650 battery. Dimensional drawing: this size is measured by hand,There may be 1-3mm errors. Package included: 1 x WeMos® esp-wroom-02 Mainboard D1 Mini WIFI Module