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ESP-01 WiFi Module
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Summary of Contents for Ai-Thinker ESP-01

  • Page 1 Ai-thinker does not ensure that manual content without error, in does not ensure that manual content without error, in this manual all statements, information and advice nor does it constitute any express or imp this manual all statements, information and advice nor does it constitute any express or implied warranty.
  • Page 2: Table Of Contents

    Table of Contents Table of Contents 1. Preambles .................................. 3 1.1. Features ..............................4 1.2. Parameters ............................6 2. Pin Descriptions ..............................7 3. Packaging and Dimension Packaging and Dimension ......................10 4.
  • Page 3: Preambles

    Preambles ESP-01 WiFi module is developed by module is developed by Ai-thinker Team. core processor ESP8266 in smaller sizes of the module core processor ESP8266 in smaller sizes of the module encapsulates Tensilica L106 integrates industry Tensilica L106 integrates industry-leading ultra low power 32-bit MCU micro, with the 16...
  • Page 4: Features

    Support Smart Link Function for both Android and iOS devices Support Smart Link Function for both Android and iOS devices • SDIO 2.0, (H) SPI, UART, I2C, I2S, IRDA, PWM, SDIO 2.0, (H) SPI, UART, I2C, I2S, IRDA, PWM, GPIO http://www.ai-thinker.com Shenzhen Anxinke Technology CO;LTD...
  • Page 5 Wake up and transmit packets in < 2ms • Standby power consumption of < 1.0mW (DTIM3) Standby power consumption of < 1.0mW (DTIM3) • +20dBm output power in 802.11b mode mode • Operating temperature range -40C ~ 125C 40C ~ 125C http://www.ai-thinker.com Shenzhen Anxinke Technology CO;LTD...
  • Page 6: Parameters

    Parameters 1.2. Table 1 below describes the major parameters. Table 1 below describes the major parameters. Table 1 Parameters http://www.ai-thinker.com Shenzhen Anxinke Technology CO;LTD...
  • Page 7: Pin Descriptions

    Pin Descriptions There are altogether 8 pin counts, the definitions of which are described in Table 2 below pin counts, the definitions of which are described in Table 2 below。 Table 2 ESP-01 Pin design http://www.ai-thinker.com Shenzhen Anxinke Technology CO;LTD...
  • Page 8 , active low External reset pin External reset pin 2) Can loft or external MCU Can loft or external MCU CH_PD Chip enable pin. Active high Chip enable pin. Active high UART0,data send pin RXD UART0,data http://www.ai-thinker.com Shenzhen Anxinke Technology CO;LTD...
  • Page 9 Table 3 Pin Mode Mode GPIO15 GPIO15 GPIO0 GPIO2 UART High Flash Boot High High Table Table 4 Receiver Sensitivity http://www.ai-thinker.com Shenzhen Anxinke Technology CO;LTD...
  • Page 10: Packaging And Dimension Packaging And Dimension

    The antenna applied on this module is a 3DBi PCB The antenna applied on this module is a 3DBi PCB-on-board antenna. Figure 3 [Module Pin Counts, [Module Pin Counts, 8 pin, 14.3 mm *24.8 mm *3.0 mm] 3.0 mm] http://www.ai-thinker.com Shenzhen Anxinke Technology CO;LTD...
  • Page 11 Figure 4 Top View of ESP-01 WiFi Module WiFi Module Table 5 Dimension of ESP-01 WiFi Module Length Width Height PAD Size(Bottom) Pin Pitch 14.3 mm 24.8 mm 3 mm 0.9 mm x 1.7 mm 2.54 mm http://www.ai-thinker.com Shenzhen Anxinke Technology CO;LTD...
  • Page 12: Mcu

    Several SPI modes can be supported d , including Standard SPI, Dual SPI, and Quad SPI. Therefore, please choose the correc ct SPI mode when you are downloading into the flash, , otherwise firmwares/programs that you down n loaded may not work in the right way. http://www.ai-thinker.com Shenzhen Anxinke Technology CO;LTD...
  • Page 13: Crystal

    C1 and C2 are within 10pF if the crystal oscillator frequency is 26MHz, while the values of C1 and C2 are 10pF<C1, C2<22pF if the crystal oscillator frequency is 40MHz re 10pF<C1, C2<22pF if the crystal oscillator frequency is 40MHz. Interfaces 4.4. Table 6 Descriptions of Interfaces http://www.ai-thinker.com Shenzhen Anxinke Technology CO;LTD...
  • Page 14 Shenzhen Anxinke Technology CO;LTD...
  • Page 15: Absolute Maximum Ratings Absolute Maximum Ratings

    Digital Terminal Characteristics Digital Terminal Characteristics 4.7. Table Table 9 Digital Terminal Characteristics Note: Test conditions: VDD = 3.3V, Temperature = 20 ℃, if nothing special is stated. Note: Test conditions: VDD = 3.3V, Temperature = 20 http://www.ai-thinker.com Shenzhen Anxinke Technology CO;LTD...
  • Page 16: Rf Performance

    RF Performance Table 10 RF Performance http://www.ai-thinker.com Shenzhen Anxinke Technology CO;LTD...
  • Page 17: Power Consumption

    100s ,sleep 300s and waking up to connect sleep 300s and waking up to connect to the AP (taking about 0.3~1s), the overall average current is he overall average current is less than 1mA. http://www.ai-thinker.com Shenzhen Anxinke Technology CO;LTD...
  • Page 18: Reflow Profile

    Reflow Profile Table 12 Instructions http://www.ai-thinker.com Shenzhen Anxinke Technology CO;LTD...
  • Page 19: Schematics

    Schematics Figure 4 Schematics of E Figure 4 Schematics of Esp-01 WiFi Module http://www.ai-thinker.com Shenzhen Anxinke Technology CO;LTD...

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