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 Eason wireless module

Cloud WiFi yl-8266c

Chip solution :ESP8266
carrier frequency :2.4GHz
Transmitting power :802.11b :20dBm
Communication distance : see the specification for details
Product size : ultra small volume 17.8 * 15 * 3mm
communication interface :TTL
Product introduction : yl-8266c is a high-performance, easy to connect, low-cost WiFi standard module, customers do not need to understand the complex underlying protocol, only need simple configuration, can make their devices easily connected to the Internet. Remote operation and monitoring are realized. Esp8266, the core processor of yl-8266c module, integrates the industry-leading Tensilica l106 high-speed 32-bit micro MCU in a small package, with 16 bit compact mode, main frequency support of 80MHz and 160MHz, RTOS support, integration of Wi Fi MAC / BB / RF / PA / LNA, on-board antenna.

Product overview
82yl82c is a simple and low-cost device to connect to the Internet. Remote operation and monitoring are realized. Esp8266, the core processor of yl-8266c module, integrates the industry-leading Tensilica l106 high-speed 32-bit micro MCU in a small package, with 16 bit compact mode, main frequency support of 80MHz and 160MHz, RTOS support, integration of Wi Fi MAC / BB / RF / PA / LNA, on-board antenna.


technical parameter Parameter value
Wireless mode WiFi protocol transmission
working frequency 2.4GHz
Transmitting power 802.11 b:20dBm 802.11 g:17dBm 802.11 n:14dBm
Receiving sensitivity 802.11 b:(11Mdps) -91db;
802.11 g:(54Mdps) -75db;
802.11 n:(MCS7) -72db
Series Rate Fixed 9600bps, other baud rates can be customized, the purchase instructions;
Check interface 8 N 1
working voltage 3.0~3.3V
Emission current ≤ 170ma (transmit 802.11b, CCK 11Mbs, pout = + 17dbm)
54Mb, OFDM = 140dbm
≤ 120mA (transmit 802.11n, mcs7, pout = + 13dbm)
Receiving current ≤ 50mA (receiving 802.11b, packet length 1024 bytes, - 80dbm)
≤ 56ma (receiving 802.11g, packet length 1024 bytes, - 70dBm)
≤ 56ma (received 802.11n, packet length 1024 bytes, - 65dbm)
Off Mode ≤5uA
working temperature -40 ~ + 80 ℃ (industrial grade)
Working humidity 10% - 90% relative humidity, no condensation


Pin definition and Description:

Serial number name Pin definition
one VCC Power input 2.1-3.6v
two GPIO4 Digital I / 0 port
three GPIO0 Working status indicator
four GPIO2 Digital I / 0 port
five MTDO Pull down 1K resistor
six GND Power anchor
seven GPIO13 I / 0 digital port
eight GPIO5 Digital I / 0 port
nine RXD Serial receiving pin
ten GND Power anchor
eleven TXD Serial port sending pin
twelve RST Reset pin
thirteen ADC ADC sampling pin / general IO
fourteen EN Pull up or hang in the air
fifteen SLEEP retain
sixteen GPIO12 Digital I / 0 port
seventeen GPIO14 Digital I / 0 port
eighteen GND Power anchor
Note: gpio0 is used as WiFi download mode / working mode switch pin; in normal operation mode, gpio0 is suspended or pulled up; in download mode, gpio0 is pulled down or grounded.
 

Download category Download link
Product description At WiFi yl-8266c product manual
Software Yl-8266c configuration tool


application area product
Smart home Wireless switch, intelligent light bulb, home appliance control, intelligent lock
Handheld devices Order machine, hand copy machine, scanning gun, walkie talkie
Data transmission Electronic Kanban, LED display, oil price screen, supermarket shelf label
data acquisition Electronic weighing instrument, grain situation measurement and control, hydrology and water conservancy monitoring
Security system Wireless alarm, electronic fence, camera pan tilt control
smart city Building energy saving, HVAC control, manhole cover anti-theft monitoring, roadside or parking lot management
Medical management Elderly pager, infant monitor, medical equipment and instrument monitoring
Conference equipment Voting device, scoring evaluation device, answering device, wireless speaker
Wireless sensor Temperature, humidity, pressure, liquid level, vibration and other wireless sensors
Wearable devices Watch, dog ring, eartag, badge, pendant