What is the Additional Feature ?

Name: ESP8266EX
Brand: Espressif Systems
SKU: ESP8266EX
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Espressif Systems ESP8266EX

Part No.:: ESP8266EX

Manufacturer:: Espressif Systems

Package:: 32-VFQFN Exposed Pad

Datasheet:: ESP8266EX.pdf

Description:: IC RF TXRX+MCU WIFI 32VFQFN

In Stock:: 2142

Quantity:: Add To Cart

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ESP8266EX Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
TxRx + MCU
RFFamily/Standard:
WiFi
Protocol:
802.11b/g/n
Modulation:
-
Frequency:
2.4GHz
DataRate(Max):
54Mbps
Power-Output:
20dBm
Sensitivity:
-91dBm
MemorySize:
-
SerialInterfaces:
I²C, I²S, SPI, UART
GPIO:
8
Voltage-Supply:
2.5V ~ 3.6V
Current-Receiving:
50mA ~ 56mA
Current-Transmitting:
120mA ~ 170mA
OperatingTemperature:
-
MountingType:
Surface Mount

ESP8266EX this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ESP8266EX price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for ESP8266EX to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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ESP8266EX information

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ESP8266EX Typical application Circuitry

ESP8266EX

The ESP8266EX is a highly integrated WiFi-enabled microcontroller chip, renowned in the Internet of Things (IoT) industry.

Features of ESP8266EX

1. Integrated WiFi: Supports 802.11 b/g/n WiFi standards.

2. Low-Power Consumption: Designed for power-sensitive applications with several power-saving modes.

3. General-Purpose Input/Output (GPIO) Pins: Comes with GPIO pins for versatile connectivity with other devices.

4. Serial Communication: Supports UART, SPI, I2C, and other communication protocols.

Application Scenario: Smart Thermostat System

Circuit Connection

- Powering the Chip: Give the ESP8266EX's VCC and GND pins a steady 3.3V power source.

- Temperature Sensor Integration: Attach a temperature sensor to a GPIO pin (such as GPIO2), such as the DS18B20. Make sure to place a pull-up resistor (4.7kΩ, for example) between the VCC and data line.

- Controlling a Heating Element: Use another GPIO pin (e.g., GPIO5) to control a relay module, which in turn controls a heating element.

- Status LED Indicator: Connect an LED (with a current-limiting resistor) to another GPIO (e.g., GPIO16) to indicate the system status.

Programming and Flashing

- Firmware Upload: For uploading firmware, connect the TX and RX pins of ESP8266EX to a USB-to-serial converter.

- Flash Mode Enabling: To enable flash mode, connect GPIO0 to GND at boot. GPIO15 should be connected to GND, and GPIO2 to VCC.

- Reset Functionality: Connect a push-button between the RST pin and GND for manual resetting.

Design Considerations

- Stable Power Source: Ensure the power supply to the ESP8266EX is stable and can handle the current requirements.

- Thermal Management: Given the compact size of the ESP8266EX, manage heat generation, especially when WiFi is in continuous use.

- Signal Integrity: Use appropriate pull-up or pull-down resistors and capacitors to maintain signal integrity.

Conclusion

The ESP8266EX is an ideal chip for creating WiFi-enabled smart devices like a thermostat system. Its integrated WiFi, low power consumption, and multiple GPIOs make it a versatile choice for IoT applications. When designing with the ESP8266EX, attention should be given to power stability, heat management, and signal integrity for a reliable and efficient operation.

ESP8266EX FAQ

1. How to order ESP8266EX on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that ESP8266EX is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the ESP8266EX. All suppliers must pass our qualification reviews before they can publish their products including ESP8266EX on icwhale.com; we pay more attention to the channels and quality of ESP8266EX products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the ESP8266EX price and inventory displayed accurate?

The price and inventory of ESP8266EX fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

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Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of ESP8266EX?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the ESP8266EX we delivered, we will accept the replacement or return of the ESP8266EX only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of ESP8266EX.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations