ESP-12F AC/DC Power Supply ESP8266 AC90-250V/DC7-12V/USB5V WIFI Single Relay Module Development Board
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Features: On-board mature and stable ESP-12F WIFI module, large capacity 4M Byte Flash The I / O port and UART program download port of the WiFi module are all exported, which is convenient for sec…
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ESP-12F AC/DC Power Supply ESP8266 AC90-250V/DC7-12V/USB5V WIFI Single Relay Module Development Board
Introduction to GPIO terminal:
Number | Name | Function | Number | Name | Function |
---|---|---|---|---|---|
1 | GND | Power ground | 13 | IO10 | GPIO10 |
2 | Relay | The relay drive port is driven by IO5 by default. If you want to use other I / O to drive the relay, you can remove R14, and then connect the I / 0 of the drive relay to this Relay pin | 14 | MISO | Slave output master input |
3 | IO2 | GPIO2; UART1_TXD | 15 | IO13 | GPIO13; HSPI_MOSI; UART0_CTS |
4 | IO4 | GPIO4 | 16 | IO14 | GPI014; HSPI_CLK |
5 | RX | UART0_RXD; GPIO3 | 17 | ADC | A / D conversion result. Input voltage range 0 ~ 1V, value range: 0 ~ 1024 |
6 | 3V3 | 3.3V power supply | 18 | 3V3 | 3.3V power supply |
7 | SCLK | clock | 19 | MOSI | Master output Slave input |
8 | IO15 | GPIO15; MTD0; HSPICS; UART0_RTS | 20 | IO9 | GPIO9 |
9 | IO0 | GPIO0 | 21 | CS0 | Chip Select |
10 | IO5 | GPIO5 | 22 | IO12 | GPIO12; HSPI_MIS0 |
11 | TX | UARTO_TXD; GPIO1 | 23 | IO16 | GPIO 16 |
12 | 5V | 5V power supply | 24 | GND | Power ground |
Package includes:
1 x Development Board fully assembled
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