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ESP-12F ACDC Power Supply ESP8266 AC90-250VDC7-12VUSB5V WIFI Single Relay Module Development Board
ESP-12F ACDC Power Supply ESP8266 AC90-250VDC7-12VUSB5V WIFI Single Relay Module Development Board
ESP-12F ACDC Power Supply ESP8266 AC90-250VDC7-12VUSB5V WIFI Single Relay Module Development Board
ESP-12F ACDC Power Supply ESP8266 AC90-250VDC7-12VUSB5V WIFI Single Relay Module Development Board
ESP-12F ACDC Power Supply ESP8266 AC90-250VDC7-12VUSB5V WIFI Single Relay Module Development Board
ESP-12F ACDC Power Supply ESP8266 AC90-250VDC7-12VUSB5V WIFI Single Relay Module Development Board
ESP-12F ACDC Power Supply ESP8266 AC90-250VDC7-12VUSB5V WIFI Single Relay Module Development Board
ESP-12F ACDC Power Supply ESP8266 AC90-250VDC7-12VUSB5V WIFI Single Relay Module Development Board
ESP-12F ACDC Power Supply ESP8266 AC90-250VDC7-12VUSB5V WIFI Single Relay Module Development Board
ESP-12F ACDC Power Supply ESP8266 AC90-250VDC7-12VUSB5V WIFI Single Relay Module Development Board
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ESP-12F ACDC Power Supply ESP8266 AC90-250VDC7-12VUSB5V WIFI Single Relay Module Development Board - China

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Description

Main Features

Feature:

1. On-board mature and stable ESP-12F WIFI module, large capacity 4M Byte Flash
2. The I / O port and UART program download port of the WiFi module are all exported, which is convenient for secondary development.
3. On-board AC-DC switching power supply module, power supply mode supports AC90-250V / DC7-12V / USB5V
4. On-board WIFI module RST reset button
5. ESP-12F supports the use of development tools such as Eclipse / Arduino IDE, and provides reference programs under the Arduino development environment.
6. One 5V relay on board, output switching signal, suitable for controlling load with working voltage within AC250V / DC30V
7. Onboard power indicator, 1 programmable LED and relay indicator

Function:



1. L, N: AC90-250V power supply
2. AC90-250V to DC5V switching power supply (Do not touch here directly with your hand when using AC power supply !!!)
3. VCC, GND: DC7-12V power supply;
4. Micro USB: DC5V USB power supply;
Note: AC90-250V, DC7-12V, DC5VUSB can be selected as one of the three power supply methods.
5. 6X6mm button: ESP8266 reset button;
6. UART program download port: GND, RX, TX, 5V of ESP8266 are connected to GND, TX, RX, 5V of the external TTL serial module respectively. IO0 must be connected to GND when downloading, and then disconnected connection;
7. GPIO pin out port;
8. Relay output:
Normally closed end, the relay is short-circuited to COM before pull-in, and suspended after pull-in;
COM: public end;
NO: Normally open, the relay is suspended before the pull-in, and shorted to COM after the pull-in.
9. Power indication LED;
10. Programmable LED;
11. Relay Indication LED: Lights up during pull-in.

Introduction to GPIO terminal:


NumberNameFunctionNumberNameFunction
1GNDPower ground13IO10GPIO10
2RelayThe 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 pin14MISOSlave output master input
3IO2GPIO2; UART1_TXD15IO13GPIO13; HSPI_MOSI; UART0_CTS
4IO4GPIO416IO14GPI014; HSPI_CLK
5RXUART0_RXD; GPIO317ADCA / D conversion result. Input voltage range 0 ~ 1V, value range: 0 ~ 1024
63V33.3V power supply183V33.3V power supply
7SCLKclock19MOSIMaster output Slave input
8IO15GPIO15; MTD0; HSPICS; UART0_RTS20IO9GPIO9
9IO0GPIO021CS0Chip Select
10IO5GPIO522IO12GPIO12; HSPI_MIS0
11TXUARTO_TXD; GPIO123IO16GPIO 16
125V5V power supply24GNDPower ground
Package includes:

1 x Development Board


















Specification

Type
Voltage Regulator
Condition
New
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ESP-12F ACDC Power Supply ESP8266 AC90-250VDC7-12VUSB5V WIFI Single Relay Module Development Board

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