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Description
WiFi module based on ESP8266 chip. It operates in 802.11 b/g/n WiFi standard at 2.4 GHz. It is equipped with 14 outputs - 2 mm raster, 7 of which are GPIO and 1 ADC. It has a built-in ceramic antenna. Tile dimensions are 17,4 x 12,2 mm.
Features of ESP-03 module
Features that distinguish the ESP-03 module from the entire ESP-XX family:
- It has 14 outputs of which:
- 7 x GPIO - digital outputs/inputs
- 2 x UART (TX, RX) - for communication with e.g. Arduino
- Installation: SMD
- Raster of exits: 2 mm
- Equipped with a built-in ceramic antenna
- Dimensions: 17.4 x 12.2 mm
Connection
The module has 14 outputs, 2 mm raster.
| Pin | Description |
|---|---|
| TXD | UART serial interface transmitter. |
| RXD | UART serial interface receiver. |
| GPIO x | GPIO output (digital input/output) with a consecutive number. |
| GPIO 0 | GPIO with special function: To update, enter low state (connect to GND). |
| CH_PD | Power down - when you enter a low state, you go into sleep mode.
To update, enter high state (3.3 V). |
| VCC | Power supply - 3.3 V. |
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Arduino compatible product Instructions on how to connect the module with Arduino can be found atwww.instructables.comand inthe manual prepared by us. The board tolerates 3.3V. Therefore, choose Arduinoworking with 3.3V orusea converter. |
Specification
- Power supply voltage: 3,3 V
- Chip: ESP8266
- The product will be delivered with a 4 / 8 Mb Flash memory
- Standard: WiFi 802.11 b/g/n
- Operates at 2.4 GHz
- Supports WPA / WPA2 security
- Can operate in AP (Access Point), STA (standalone) and AP+STA mode
- Communication: UART (Rx, Tx)
- Installation of SMD
- Raster of exits: 2 mm
- It has 14 2 mm raster leads
- 7 x GPIO - digital outputs/inputs
- It is equipped with communication interfaces: SPI, UART, SDIO
- Lua software support
- Plate dimensions: 17.4 x 12.2 mm
Useful links |
