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Attention! The product has been discontinued. Check others products incategory. |
Description
The module is based on ESP8266. It has the ability to connect to wi-fi and 3 digital ports of input/output, 1 analog input, as well as popular network interfaces: UART and I2C. This version works with a voltage of 3.3 V, it has a microUSB connector for programming.
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The ESP8266 controllerprovides communication with a wi-fi network, thanks to the integrated controller, the system can be programmed via the Arduino IDE usingthe microUSB cable. |
Saqmple programs
- The indicator of missed calls
- Smart guardian of plants
- Feeder of animals
- Simulator of traffic signal
Pins
The system has soldered 4-pin slots to connect modules and sensors from the Grove, which, in addition to the pins of the ESP system, also include the power supply in the form of 3.3 V voltage and GND mass.
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Pin Wio Link |
Pin ESP-8266 |
Function |
|---|---|---|
| The UART Port |
TXD RX |
Line of the UART interface data - transmitter. Line of the UART interface data - receiver. |
| I2C Port |
GPIO4 GPIO5 |
Data line of I2C interface. Clock line of I2C interface. |
| Analog Port | A3 | The analog input, the maximum voltage of 3.3 V |
| Digital Port 0 | GPIO14 | Digital line of I/O |
| Digital Port 1 | GPIO12 |
Digital line of I/O |
| Digital Port 2 | GPIO13 |
Digital line of I/O |
| GND | GND | Ground |
| 3V3 | 3.3 V | The output voltage from the 3.3 Vregulator. |
| RST | RST | Reset of the module. |
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Description of the programming of the board using the Arduino IDE, can be found on the website of the manufacturer. Examples of programs are available inthe GitHub. |
Specification
- Supply voltage: 5 V (for microUSB connector)
- Working voltage of pins: 3.3 V
- ESP8266 controller
- Flash memory: 4 MB
- I/O Ports: 3
- Number of analog inputs: 1 (channel of A/C converter)
- Serial interfaces: UART, I2C
- External interrupts
- The controller of a wi-fi network
- Connector: microUSB slot
- The Reset button out
- Built-in indicating LEDs
- USB - UART controller
- Compatible withthe Arduino IDE
- Board also includes a microUSB cable
- Board sizes: 55 x 48 mm
Useful links |
