Nodemcu / Nodemcu Fetures and Specifications
Nodemcu Fetures
1. Open-source
2. Frequency Range
3. Power Transmission
4. Receiving Sensitivity
5. Wireless Form
6. IO Capability
7. Electrical Characteristic.
8. Operating Temperature
9. Serial Transmission
10. Security Type
11. Encryption Type
12. Firmware Upgrade
13. Network Protocol
14. User Configuration
15. Status LED
16. MicroUSB port
17. Reset/Flash buttons
18. Interactive.
19. PCB antenna.
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20. Breadboard Friendly
21. Light Weight and small size.
22. Uses wireless protocol 802.11b/g/n.
23. Low cost.
24. Simple.
25. Smart.
26. Uses CP2102 USB Serial Communication interface module.
27. Arduino-like (software defined) hardware / hardware IO.
28. Event-driven API for network applications.
29. Built-in WI-FI enabled (WiFi 2.4 GHz, support WPA/WPA2) capabilities
and Wifi networking (used as access point / station, host a web server), connect
to internet to fetch or upload data
30. Built-in PCB antenna on the ESP-12E chip.
31. Capable of PWM, I2C, SPI, UART, 1-wire, 1 analog pin.
32. Interactive and programmable Wi-Fi module with powerful Lua
programming language or Arduino C programming language using Arduino IDE .
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Specifications of ESP-12E WiFi Module
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Wireless Standard
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IEEE 802.11 b/g/n
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Frequency Range
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2.412 - 2.484 GHz
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Power Transmission
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802.11b : +16 ± 2 dBm (at 11 Mbps)
802.11g : +14 ± 2 dBm (at 54 Mbps)
802.11n : +13 ± 2 dBM (at HT20, MCS7)
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Receiving Sensitivity
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802.11b : -93 dBm (at 11 Mbps, CCK)
802.11g : -85 dBm (at 54 Mbps, OFDM)
802.11n : -82 dBm (at HT20, MCS7)
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Wireless Form
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On-board PCB Antenna
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IO Capability
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UART, I2C, PWM, GPIO, 1 ADC
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Electrical Characteristic
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3.3 V Operated
15 mA output current per GPIO pin
12 - 200 mA working current
Less than 200 uA standby current
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Operating Temperature
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-40 to +125 ºC
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Serial Transmission
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110 - 921600 bps, TCP Client 5
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Wireless Network Type
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STA / AP / STA + AP
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Security Type
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WEP / WPA-PSK / WPA2-PSK
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Encryption Type
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WEP64 / WEP128 / TKIP / AES
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Firmware Upgrade
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Local Serial Port, OTA Remote Upgrade
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Network Protocol
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IPv4, TCP / UDP / FTP / HTTP
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User Configuration
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AT + Order Set, Web Android / iOS, Smart Link APP
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