Block Diagram

Base Station Block Diagram
Bluetooth BLE
Module
nRF51822
WIFI
Module
ESP8266
LED
Indicator
32.768KHz
Crystal Oscillator
RES –KEY
Tact Switch
BUZZ-KEY
Tact Switch
16MHz
Crystal
Oscillator
BZ
buzzer
26MHz
Crystal Oscillator
Wifi 802.11b/g/n HT(20)
2412MHz to 2462MHz
Bluetooth BLE
2402MHz to 2480MHz