1、ESP8266-12F features : 802.11 b/g/n Built in L106 Tensilica ultra low power 32 bit micro MCU, clocked at 80 MHz and 160 MHz, support RTOS Built in 10 bit high precision ADC Built in TCP/IP protocol stack Built in TR switch, balun, LNA, power amplifier and matching network Built in PLL, voltage regulator and power management module, the output power of dBm 802.11b under +20 mode The polymerization of A-MPDU and A-MSDU and the protective interval of 0.4 s WiFi @ 2.4 GHz, supports WPA/WPA2 security mode Support AT remote upgrade and cloud OTA upgrade Support STA/AP/STA+AP working mode Support Config Smart features (including Android and iOS devices) HSPI, UART, I2C, I2S, Remote, Control, IR, PWM, GPIO Depth sleep holding current is 10 uA and the off current is less than 5 uA Wake up, connect and transfer data packets within 2 ms. Standby power consumption is less than 1 mW (DTIM3) Working temperature range: -40 degrees C - 125 2、Module description: ESP-12F WiFi module is by Shun science and technology development, the core processor module ESP8266 integrated in small size package,The industry's leading L106 Tensilica ultra low power consumption of 32 micro MCU, with 16 bit streamlined mode, the main frequency of 80 MHz and support160 MHz, support RTOS, integrated MAC/ BB/RF/PA/LNA Wi-Fi, onboard antenna. The module supports the standard b/g/n IEEE802.11 protocol, the complete TCP/IP protocol stack. Users can use this module for existing. The device to add networking capabilities, can also be constructed independent of the network controller. 3、Description of each function module: ![enter image description here][1] 4、Components and PCB diagram before welding: ![enter image description here][2] 5、Physical map after welding: ![enter image description here][3] ![enter image description here][4] ![enter image description here][5] [1]: /editor/20160606/57550c652a015.png [2]: /editor/20160606/57550c76cdb4d.jpg [3]: /editor/20160606/57550c8accbfc.jpg [4]: /editor/20160606/57550c9271b8b.jpg [5]: /editor/20160606/57550c9974e9b.jpg