Geekcreit® ESP8266 ESP-01 Serial Port WIFI Transceiver Wireless Module + Adapter Module For Arduino
- List PriceUS$5.05piece
- Sale PriceUS$5.05piece
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Transceiver Wireless Module:
It run LWIP
It run LWIP
WIFI Direct (P2P),SOFT-AP
The AT command is perfect,efficient,concise
Support three modes: AP, STA and AP+STA coexistence mode
A stable power supply was pure, battery-powered can solve everything
ESP8266 start, you need to GPIO15 pull-down (if the module pin bitmap
Without this pin, the internal representatives have pulled down without any treatment),
GPIO0 GPIO2 pull-high (The default is two feet high, so not Do any processing)! CH_PD This pin must be pulled-high!
Our all modules meet the above two conditions to work properly!
A adapter module for ESP-01 Wi-Fi module. 3.3V voltage regulator circuit and onboard level conversion circuit can make 5V microcontroller easy to use with ESP-01 Wi-Fi module.
Also, the item can be used with Arduino UNO R3 or compatible board.
Here is schenmatic: http://img.banggood.com/file/products/20160408023336ESP-01%20Adapter%20module%20Schenmatic.pdf
Working voltage: 4.5~5.5V (On-board 3.3V LDO Regulator)
Working current: 0-240mA
Interface logic voltage: 3.3V / 5V compatible(On-board level shift circuit)
1 x ESP-01 Wireless module
1 x ESP-01 Adapter module