ESP8266 ESD-12 (4 MBYTE FLASH) WIFI/Upgradeable/Arrive 1-10 Biz Days QUANTITY DISCOUNT! ESP-01 HEADER SOLDERED READY TO USE FREE SHIPPING GET IN 1-10 BIZ DAYS $2.95 http://www.ebay.com/itm/281470237914?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649 $3.96 each at http://www.ebay.com/itm/3-60-EACH-CHEAPEST-ESP8266-w-Hdr-2x-Serial-WiFi-FreeShipping-Arrive-2-5-BizDay-/281488852942? $3.66 each at http://www.ebay.com/itm/281470230275?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649 $2.95 each http://www.ebay.com/itm/281470244292?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649. Want absolutely smallest ESP8266 module for your projects? We have 10x10mm ESP8266 module in stock. Please contact us for detail. Please support us by buying our ESP based WiFi modules and we almost always send the package out the same day if order is placed before 12:00pm. We are shipping it from Marietta GA and you will get the module in 1-10 business days depending on your zip code. We write our own user manual and tutorials. We tested the all the commands and verified all tutorials we write. Other sellers have no clue what ESP WiFi module is and they are selling the technology just like they are selling a potato! We are different and the following are the reasons why: * Should you need to return any items, you are returning to US address not some address in Hong Kong or China. Should the items sold by seller in China and items were shipped from China, it is almost impossible to return to seller for a full refund. * Should you need to get a replacement of the items, it will take another 21 days (average transit time) to get anything from Hong Kong or China. We will send out replacement as soon as we work out the details with you. * We are passionate about the ESP WiFi technology and we understand the technology. * We can and will answer all of your questions in a lot better English than other sellers from Asia and I hope you see that by now although we are not English experts! * We will send the items out almost always the next day. If the order is placed before 12pm, more likely we will ship the same day to you from Marietta, GA. * Most of our customers receive the items in 1-10 business days and if you live in GA or neighboring states, there is a good chance you will get it the next days instead of, on the average, 21 days from Asia. * If you are going to use it in quantity or you plan to resell it to your customers, we provide OEM and ODM services from custom packaging to customer firmware to custom housing design for you at a very competitive pricing. Other sellers from Asia have tough time to even understand your requirements. * Most importantly, we treat our customers with best effort and as quickly as possible. You can get 1 piece of ESP8266 low cost Serial WiFi module to connect any of your projects to the world of Internet for only $2.95 (USD) and it will arrive in five (1-8) business days for almost all US addresses. Simple to use with simple wiring on the 4x2 male header and simple 3 wires serial communication at 9600/8/N/1 at TTL level. The following are the major features: 1. Support 802.11 B/G/N 2. Communication range up to 100 yards depending on environment. 3. Standard 3.3VDC operation with 5V compatible I/O. 4. Standard 3 wire (TXD/RXD/GND) serial communication (idle high) at 9600/8/N/1. 5. Standard 0.1" (2.54mm) 4x2 header. (Other form factor available) 6. Upgradeable firmware. 7. Three mode of operations: Client/Access Point/Both Client and Access Point. 8. Support all major security schemes: OPEN/WEP/WPA_PSK/WPA2_PSK/WPA_WPA2_PSK. 9. Support both TCP and UDP communication. 10. Working as TCP/UPD server supports up to five (5) connections. 11. Working as station can connect up to 5 TCP/UPD servers. The ESP-01 can connect to all standard non-SSL websites in the world. 12. On board antenna. (Other modules can support external antenna for enhanced communication and extended range) 13. Simple AT commands for all operations. 14. Connection based data reception or transparent data reception. 15. Programmable client connection inactivity timeout. 16. Automatic domain name address resolution for public domain name but not the local name within the local area network (router). 17. Detailed English user manual in PDF format upon request via email. The following is the list of AT commands: 1. AT-Attention 2. AT+RST-Soft reset 3. AT+GMR-Retrieve firmware version 4. AT+CWMODE-Operation mode selection 5. AT+CWJAP-Join network 6. AT+CWLAP-Available network listing 7. AT+CWQAP-Exit network 8. AT+ CWSAP-Setup network name, password, radio channel and security scheme 9. AT+ CWLIF-Listing connected stations 10. AT+ CIPSTATUS-Connection listing 11. AT+CIPSTART-Initiating connection 12. AT+CIPSEND-Sending data 13. AT+CIPCLOSE-Closing connection 14. AT+CIFSR-Displaying IP from access point 15. AT+CIPMUX-Single or multiple connection selection 16. AT+CIPSERVER-Socket server on/off 17. AT+CIPMODE-Serial port transparent or connecdtion based data output selection 18. AT+CIPSTO-Socket server automatic connection timeout setting 19. +IPD-Serial port connection based data output 20. AT+CIOBAUD-Set baudrate. Available on firmware .923 or newer. CH_PD, RST, GPIO0 and GPIO2 will be used for firmware update and future expansion purposes. For the time being, they must be pulled up to have the serial module ESP-01 running normally. The ESD-12 is a serial device at TTL level not RS232 level. If you need to connect the ESP-01 to a RS232 serial port, you will need have a RS232 level converter with MAX232 or compatible device. There are others form factors available in two weeks. Custom made module can be as small as 10mm x 11mm. Should you have different requirements for serial WiFi, we will be glad to design your custom Serial WiFi module using the same low cost and reliable technology to meet your needs for a low minimum order quantity requirement. Please feel free to contact us for details. Item included as follow: 1. 1x ESD-12 (4 MBYTE FLASH) Serial WiFi module 2. Detail English User Manual in PDF format upon request
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