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ESP-07S

SKU: HMJ712 Category: Microcontrollers
KSH 600.00
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Product Description

ESP-07S WiFi Module 802.11 b/g/n IoT Development Board

= Compact SMD WiFi Module for IoT Projects =

The ESP07S is a highperformance WiFi module based on the ESP8266 processor, designed for lowpower IoT applications. Featuring SMD16 packaging and IPEX antenna connector, this module integrates Wi-Fi MAC/BB/RF/PA/LNA in a compact footprint.

Based on ESP8266 with 32-bit Tensilica L106 MCU
Features IPEX antenna for external antenna connection
Requires 3.3V power supply with >500mA current capability

= Technical Specifications =

ParameterValue
ProcessorTensilica L106 32-bit MCU
Clock Speed80 MHz / 160 MHz
Flash Memory32Mbit (4MB)
RAM50KB (available)
WiFi Protocol802.11 b/g/n
Frequency Range2.4GHz - 2.4835GHz
Supply Voltage3.0V - 3.6V (Typical 3.3V)
PackageSMD-16
Dimensions16mm x 17mm x 3mm
AntennaIPEX Connector
InterfacesUART/GPIO/ADC/PWM/SPI/I2C
ADC Resolution10-bit
UART Baud RateUp to 4Mbps
Operating Temp-40°C to 85°C

= Key Features =

Low Power Consumption - Deep sleep current as low as 20µA

SMD16 Package Compact surface-mount design for PCB integration

IPEX Antenna Connector - External antenna support for better range

Multiple Interfaces - UART, GPIO, ADC, PWM, SPI, I2C

Complete WiFi Stack - Integrated TCP/IP protocol stack

Multiple Modes - STA/AP/STA+AP operation modes

Security Support WEP/WPAPSK/WPA2-PSK encryption

Firmware Upgrade - OTA and serial update support

Second Development - Supports SDK for custom firmware

== Applications ==

  • IoT devices and smart home
  • Industrial automation and control
  • Smart grid and building automation
  • Security systems and surveillance
  • Telemedicine and healthcare devices
  • Wireless sensor networks
  • Remote monitoring systems
  • Data logging and transmission

= Pin Description =

PinNameFunction
1RSTReset module (active low)
2ADC10bit ADC input (01V range)
3ENChip enable (active high)
4GPIO16GPIO / Wake from deep sleep
5GPIO14HSPI_CLK
6GPIO12HSPI_MISO
7GPIO13HSPIMOSI / UART0CTS
8VCC3.3V Power Supply
9GNDGround
10GPIO15HSPICS / UART0RTS
11GPIO2UART1_TXD
12GPIO0Boot mode selection
13GPIO4General Purpose I/O
14GPIO5General Purpose I/O
15RXD0UART0_RXD / GPIO3
16TXD0UART0_TXD / GPIO1

= Power Consumption =

ModeCurrent
Transmit 802.11b~170mA
Transmit 802.11g~140mA
Transmit 802.11n~120mA
Receive Mode~50-56mA
Modem-Sleep~20mA
Light-Sleep~2mA
Deep-Sleep~20µA
Power Off~0.5µA
Deep sleep current of 20µA enables battery-powered IoT applications

= Boot Modes =

ModeENRSTGPIO15GPIO0GPIO2
DownloadHighHighLowLowHigh
RunningHighHighLowHighHigh
Pull GPIO0 low during boot to enter programming mode
Use GPIO2 for normal operation boot

= Why Choose ESP-07S? =

Compact SMD package with external antenna support
Low power consumption for battery IoT devices
Full TCP/IP stack and WiFi protocol support
GPIO access for sensor integration
AT command set for easy use
SDK support for custom development

√ Ready to integrate into PCB designs

√ Works with Arduino IDE and ESP8266 tools

√ OTA firmware upgrade support

√ Standard 802.11 b/g/n protocol

√ Multiple sleep modes

√ FCC, CE, RoHS certified


= Arduino Test Code =

#include

const char* ssid = "YourNetwork";

const char* password = "YourPassword";

void setup() {

Serial.begin(115200);

WiFi.begin(ssid, password);

while (WiFi.status() != WL_CONNECTED) {

delay(500);

Serial.print(".");

}

Serial.println("");

Serial.println("WiFi Connected");

Serial.print("IP Address");

Serial.println(WiFi.localIP());

}

void loop() {}


Safety Precautions

Use 3.0V-3.6V power supply only
Ensure power supply can provide >500mA
Do not exceed maximum pin voltage
ESD-sensitive device
Avoid extreme temperatures beyond -40°C to 85°C
Use level shifters when interfacing with 5V systems

What's Included

  1. ESP-07S WiFi Module
  2. IPEX Antenna Connector
  3. Pin Header (un-soldered)

The ESP-07S delivers powerful WiFi connectivity in a compact form factor. Perfect for IoT, automation, and embedded applications requiring reliable wireless communication.

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