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  • ESP-12F AC/DC Power Supply ESP8266 AC90-250V/DC7-12V/USB5V WIFI Single Relay Module Development Board
  • ESP-12F AC/DC Power Supply ESP8266 AC90-250V/DC7-12V/USB5V WIFI Single Relay Module Development Board
  • ESP-12F AC/DC Power Supply ESP8266 AC90-250V/DC7-12V/USB5V WIFI Single Relay Module Development Board
  • ESP-12F AC/DC Power Supply ESP8266 AC90-250V/DC7-12V/USB5V WIFI Single Relay Module Development Board
  • ESP-12F AC/DC Power Supply ESP8266 AC90-250V/DC7-12V/USB5V WIFI Single Relay Module Development Board
  • ESP-12F AC/DC Power Supply ESP8266 AC90-250V/DC7-12V/USB5V WIFI Single Relay Module Development Board
  • ESP-12F AC/DC Power Supply ESP8266 AC90-250V/DC7-12V/USB5V WIFI Single Relay Module Development Board
  • ESP-12F AC/DC Power Supply ESP8266 AC90-250V/DC7-12V/USB5V WIFI Single Relay Module Development Board
  • ESP-12F AC/DC Power Supply ESP8266 AC90-250V/DC7-12V/USB5V WIFI Single Relay Module Development Board
ESP-12F AC/DC Power Supply ESP8266 AC90-250V/DC7-12V/USB5V WIFI Single Relay Module Development Board

ESP-12F AC/DC Power Supply ESP8266 AC90-250V/DC7-12V/USB5V WIFI Single Relay Module Development Board COD

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                        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 / Arduin IDE, and provides reference programs under the Arduin 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:

                        ESP-12F AC/DC Power Supply ESP8266 AC90-250V/DC7-12V/USB5V WIFI Single Relay Module Development Board


                        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:


                        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

                        ESP-12F AC/DC Power Supply ESP8266 AC90-250V/DC7-12V/USB5V WIFI Single Relay Module Development Board

















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