3pcs ESP-12F AC/DC Power Supply ESP8266 AC90-250V/DC7-12V/USB5V WIFI Single Relay Module Development Board
- Stock: In Stock
- Model: EB0042290
- SKU: EB0042290
1. On-board mature and stable -12F WIFI module, large capacity 4M Byte Flash
Function:
1. L, N: AC90-250V power supply
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 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 0 ~ 1V, value : 0 ~ 1024 |
| 6 | 3V3 | 3.3V power supply | 18 | 3V3 | 3.3V power supply |
| 7 | SCLK | clock | 19 | MOSI | 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 |
3 x Development Board
Shipping Time
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The timeline of the whole shipping process is shown below:
The total delivery time is calculated from the time your order is successfully placed to the time received. Total delivery time is broken down into processing time and shipping time.
Processing time: The time it takes to prepare your item(s), includes preparing your items, performing quality inspections, and packaging for shipment. Normally, the processing time is 1-3 days (Only include Monday to Saturday ) after getting your order.
Shipping time: The time for your item(s) to travel from our warehouse to your destination. The shipping time depends on the shipping method you chose. Please refer to the shipping rate section for details.
Shipping Rates
You could choose the shipping method based on your preference during checkout, different shipping methods will apply different rates and shipping times. Please check the following chart for detail:
You could choose the shipping method based on your preference during checkout, different shipping methods will apply different rates and shipping times. Please check the following chart for detail:
| Shipping Method | Shipping Rates | Shipping Times |
| Flat Shipping (Promotion) | $10 | About 5-30 Working Days to Worldwide (Only include Monday to Saturday ) |
Standard Express（0.5KG starting price listed） | Based On Weights | About 5-15 Working Days to Worldwide (Only include Monday to Saturday ) |
Priority Express （0.5KG starting price listed） | Based On Weights | About 3-7 Working Days to Worldwide (Only include Monday to Saturday ) |
In addition, the transit time depends on where you're located, the shipping method you choose, and where your package comes from. We will keep you informed of any problems here to help you get your order as soon as possible.
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