DOITING 5pcs ESP-01s Wireless WiFi Module+ESP8266 Development Board Serial To WiFi/ Transparent Transmission Firmware Downloader

Shipping list:

• 5pcs ESP-01s module= 5 × ESP-01s wifi module
• 1pcs 8266 test board= 1 × ESP8266 test board (no module)
• A set= 1 × ESP8266 test board+ 1× ESP-01s wifi module

ESP8266 test board description:

• This board is suitable for firmware burning test of modules such as Essence and ESP-12S/12F/12E/07S/07.
• All IO ports have been exported and can be used as a minimum system development board or a small batch burning fixture. The board supports firmware one-click download function and adds programming
• Mode indicator (blue light) and serial communication indicator (green light)

ESP-01s wifi module features:

• The ESP-01s WiFi module is a low-power, cost-effective embedded wireless network control module. It can meet the needs of IoT applications such as smart grid, building automation, security, smart home, and telemedicine.
• The module's core processor, the ESP8266, integrates the industry-leading Tensilica L106 ultra-low-power 32-bit micro MCU in a small package with 16-bit thin mode, 80MHz and 160MHz, RTOS support, integrated Wi- Fi MAC/ BB/RF/PA/LNA, onboard antenna.
• The module supports the standard IEEE802.11 b/g/n protocol, a complete TCP/IP protocol stack. Users can use this module to add networking capabilities to existing devices or to build separate network controllers.

Hardware parameter:

• Operating voltage: 3.3V (3.0 ~ 3.6V)
• Working environment temperature: -40 - 85 °C
• CPU Tensilica L106

1. RAM 50KB (available)
2. Flash 32Mbit

• System

1. 802.11 b/g/n
2. Frequency range 2.4 GHz ~ 2.5 GHz (2400 MHz ~ 2483.5 MHz)
3. Built-in Tensilica L106 ultra-low power 32-bit micro MCU with 16-bit thin mode, supporting 80 MHz and 160 frequency
4. MHz, support for RTOS
5. WIFI @2.4 GHz, support WPA/WPA2 security mode
6. Support UART, I2C, GPIO, PWM, SDIO, SPI, ADC, PWM, IR
7. Built-in 10 bit high precision ADC
8. Support TCP, UDP, HTTP, FTP
9. Built-in TR switch, balun, LNA, power amplifier and matching network
10. Built-in PLL, voltage regulator, and power management components + 20 dBm output power in 802.11b mode
11. The average operating current is 80mA, the deep sleep holding current is 20uA, and the shutdown current is less than 5uA.
12. Can double as application processor SDIO 2.0, SPI, UART
13. Wake up, connect and pass packets within 2ms
14. Standby power consumption is less than 1.0mW (DTIM3)
15. Support local serial port burning, cloud upgrade, host download and burning
16. Support Station / SoftAP / SoftAP + Station wireless network mode
17. Module size 24mm * 16mm * 3mm

Pin description:

Pin map:

Note:

• The module supply voltage is 3.3V DC and the current is 500mA or more;
• Wi-Fi module IO maximum output current is 12mA;
• Wi-Fi module NRST pin is active low; EN enable pin is active high;
• The Wi-Fi module enters the upgrade mode: GPIO0 is at a low level, then the module is reset and powered on; the Wi-Fi module enters the normal working mode: GPIO0 is at a high level, and the module is reset and powered.
• The RXD of the Wi-Fi module is connected to the TXD of the external MCU, and the TXD of the Wi-Fi module is connected to the RXD of the external MCU;
• More documents can be downloaded at wiki.doit.am.