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ESP-01S Serial Port to WiFi Wireless Module 2.4GHz for Electronic Parts

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1.802.11 b/g/n
2.Built-in Tensilica L106 low power consumption 32 bit MCU,primary frequency supports 80 MHz and 160 MHz,support RTOS
3.Built-in 10 bit high-precision ADC
4.Built-in TCP/IP protocol stack
5.Built-in TR switch,balun,LNA,power amplifier and matching network
6.Built-in PLL,AVR,power management component,802.11b mode +20 dBm power output 
7.A-MPDU,A-MSDU polymerization and 0.4s guard interval 
8.WiFi 2.4GHz,support WPA/WPA2 security mode 
9.Support AT remote upgrade and cloud OTA upgrade 
10.Support STA/AP/STA+AP Operating Mode
11.Support Smart Config Function (include Android and iOS device)
12.HSPI,UART,I2C,I2S,IR Remote Control,PWM,GPIO
14.Deep Sleep Holding Current is 10uA;power off current is less than 5uA
15.Within 2ms Awakening,connect and transfer data package 
16.Standby State Power Consumption is less than 1.0mW (DTIM3)
17.Operating Temperature Range:-40℃~125℃
Main Paramaeter:
1.Wireless Standard:802.11 b/g/n
2.Frequency Range:2.4GHz-2.5GHz(2400M-2483.5M)
3.Data Interface:UART/HSPI/I2C/I2S/Ir Remote Contorl;GPIO/PWM
4.Operating Voltage:3.0-3.6V
5.Operating Current:80mA (average value)
6.Operating Temperature:-40℃~125℃
7.Storage Temperature:normal temperature
8.Size:24.8*14.8*3mm (not include pin)
9.External Interface:N/A
10.Wireless Network Mode:station/softAP/SoftAP+station
11.Security Mechanism:WPA/WPA2
12.Encryption Type:WEP/TKIP/AES
13.Upgrade Firmware:local serial port download/cloud upgrade/mainframe 
14.Software Development:support custom server,supply SDK for customer secondary development
15.Network Protocol:IPv4/TCP/UDP/HTTP/FTP
16.User Adapter:AT+ instruction set,cloud server,Android/iOS APP
Pin Definition:
2.GPIO2:universal IO,internal part has been pulled down
3.GPIO0:operating mode selection:hanging-Flash Boot (operating mode);pull down-UART Download (download mode)
4.RXD:serial port o data receiving port RXD
5.VCC:3.3V module power supply 
6.RST:1)external reset pin,low level reset;2)can hang or connect with external MCU
7.CH_PD:chip enable,high level enable,low level disbale 
8.TXD:serial port 0 data transmitting port TXD
Size Picture:
Pin Description:
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2) West Union


We know that some of you do not have the Paypal account. 

But please take it easy. You can use West Union payment method.
Learn more at West Union at www.westernunion.com.
For the receiver info, please contact us at orders@icstation.com.
3) Bank Transfer / Wire Transfer / T/T

Bank Transfer / Wire Transfer / T/T payment methods are accepted for orders which the total price is up to US$500. The bank will charge about US$60 for the transfer fee if we do the payment in these ways. 

For other payment method, please contact us at orders@icstation.com for more details.

1. Hongkong / Sinapore Airmail

(1) Due to the high risk of package lost recently, we have to stop using the free shipping way these days. Hope for your kind understanding! And the $3 is for tracking number and delivery insurance ^0^ Enjoy order from us. 

Free Shipping for all orders over $20 ^0^ (with free tracking number and delivery insurance fee)

(2) Shipping time 
Shipping time is 7-20 business days to most of countries; please view below table for exactly shipping time to your location. 

7-15 working days to: Most of Asia countries
10-16 working days to: USA , Canada , Australia , UK , Most of Europe countries
13-20 working days to: Germany , Russia
18-25 working days to: France , Italy , Spain , South Africa
20-45 working days to: Brazil , Most of South America countries

2. EMS/DHL/UPS Express

(1)Shipping Fee: Free for the order which meet the following requirements
Total price of the order >= 200USD or Total weight of the order >= 2.2KG

When the order meets to one of the above requirement, it will be shipped for FREE via EMS/DHL/UPS Express to below country. 
Asia: Japan , South Korea , Mongolia . Malaysia , Singapore , Thailand , Vietnam , Cambodia , Indonesia , Philippines 
Oceania: Australia , New Zealand , Papua New Guinea 
Europe& America: Belgium, Britain, Denmark, Finland, Greece, Ireland, Italy, Luxembourg, Malta, Norway, Portugal, Switzerland, Germany, Sweden, France, Spain, USA, Austria, Canada
Note: Shipping Fee to other countries, please contact orders@ICStation.com

(2) Shipping Time
Shipping time is 3-5 working day (about 1 week) to most of countries. 

Because the package would be returned to the sender if it had not been signed by the receiver in 2-3 day (DHL) or 1 week (EMS,) or 2 weeks (Registered Email), please pay attention to the arriving time of the package. 


1) APO and PO Box Addresses

We strongly recommend that you provide a physical address for order delivery. 
Because that DHL and FedEx are unable to deliver items to APO or PO BOX addresses. 
2) Contact Phone Number
Receivers' contact phone number is required by express shipping agency for the package delivery. Please provide us with your latest phone number.

3. Note
1) Delivery Time of mixed orders with items in different Shipping Status should be calculated using the longest estimate times listed. 
2) Chinese Holiday Reminder: During annual Chinese holidays, services from certain suppliers and carriers may be affected, and delivery for orders placed around the following times may be delayed by 3 - 7 days: Chinese New Year; Chinese National Day,etc. 
3) Once your order is shipped, you will receive an email notification from icstation.com
4) Track the order which with tracking number via below links:

Registered Airmail: www.17track.net/en

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ESP-01S Serial Port to WiFi Wireless Module 2.4GHz for Electronic Parts