Describe:
18650 batterieladesystem integrierte
on ladeschutz
on discharge protection
tasche size 10x3 cm
oled display (d1 - and d2 (sda, scl)
zeigen led available (gpio16)
bedienen as nodemcu
smt connectors for a deep sleep mode
Five direction key (D5, D6, D7,Flash)
6 gpio escape (adc, d3, d4, d8, d9, d10)
3 v / 5 v output
micro usb entrance (5 ~ 12 v)
1 switch controls the power.
anzeige led (red = chargin, green = fully charged)
can and work at the same time
* * be careful + and -. if you put the wrong direction of the battery, the charging chip.
this product does not contain 18650 battery. * *
Invoice list:
1pcs wems(ESP8266preflashed development board) OLED version - ESP8266 + 18650 + OLED