USR-C215 TTL WiFi Module Low Cost

Communication Expert of Industrial IOT
USR-C215 TTL WiFi Module Low Cost
USR-C215 TTL WiFi Module Low Cost
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Price: $5.98
Availability: In Stock
Model: USR-C215
Manufacturer: USR IOT
Average Rating: Not Rated

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User Manual:

Ticket System: submit your ticket at if you have technical questions about the item.


USR-C215 WiFi module is used for data transparent transmission between UART and WiFi network. It can connect the UART devices to Internet with simple configuration. Easy to use, do not need drivers.


  • Web-based configuration and AT command configuration
  • Standard TCP/IP interface and versatile TCP and UDP operation modes
  • Simple Link and Usrlink networking: one click access to WiFi
  • User defined webpage
  • HTTPD Client: send data as HTTP format automatically
  • WPA/WPA2 Encrypt
  • TCP/UDP Client registration packet mechanism
  • Class RFC2217 automatic baud rate adaptive



Input Voltage DC 3.0V~3.6V
Input Current AP:70mA (aver) @ 3.3V; STA: 30mA (aver) @ 3.3v
Min: 6.5mA @ 3.3V
Certificate CE, FCC, ROHS ,WEEE
Size 22 x 13.5 x 6 mm
Operating Temp. -20 ~ 85°C
Storage Temp. -40 ~ 125°C, 5 ~ 95% RH(no condensation)
Interface TTL
Packing list USR-C215 *1

Configuration method: (Manual P19)

1) Web-based configuration: default IP:  Name and Password: admin

2) AT command configuration.

Factory Setting:

1) Hardware reset: Pull down nReload Pin (Pin 21) for 3 seconds or more

2) Webpage reset: Reload Restart page.

3) Software reset: Enter AT command mode, use AT command AT+RELD.


  • WiFi remote control and monitoring, TCP/IP and WiFi coprocessor
  • WiFi remote control toy such as aircraft and cars
  • WiFi Internet radio, camera, digital photo frame
  • Medical instrument, data acquisition, handheld device
  • WiFi fatness testing machine, smart card terminal, Smart Home
  • Instrument, equipment parameter monitoring, wireless POS machine
  • Modern agriculture, military field and other wireless related secondary development applications

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