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Home Electronic Component Chips Sensor Arduino Module Raspberry Pi ESP8266 ESP-01S DC5-80V Wifi Relay Module Remote Switch Phone APP DIY Project Popular Popular Product Introduction Description: DC5-80V power supply ESP8266 relay module is suitable for ESP8266 development and learning, smart home wireless control and other occasions. Interface Description 1. VCC, GND: DC8-8OV power supply 2.MICRO USB: DC5V USB power supply Note: You can choose one of the three power supply modes of DC8-80V/DC5v USB/pin 5V 3.6X6MM button: ESP8266 reset button 4. UART program download port: GND, RX, TX, 5V of ESP8266 are respectively connected to external TTL serial port module GND, TX, RX, 5V, IO0 needs to be connected to GND when downloading, and then disconnect IO0 and Connection between GND 5. GPIO pin header leads to the port 6. Relay output NC: Normally closed, the relay is short-connected with COM before it is closed, and it is suspended after being closed; COM: public end; NO: Normally open end, the relay is suspended before being closed, and shorted to COM after being closed. 7 Power indicator LED 8 Programmable LED: use GPIO16 to control; 9 Relay indicator LED: lights up when closed Product Size: GPIO lead port introduction Package included: 1xDC5-80V Power Supply ESP8266 WIFI Relay Module ESP-12F Development Board Payment Shipping Refund Payment We accept PayPal only. But we only Accept your Ebay Address ,Please Make sure it's 100% right. Payment must be received in 5 business days of auction closing. Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order. Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched. Shipping We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns. Refund All package need to wait 30 days (US only n eed 7-10 days) , Please take care it.Less than 30 days,we can't take a refund . If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it. If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item. Home Electronic Component Chips Sensor Arduino Module Raspberry Pi ESP8266 ESP-01S DC5-80V Wifi Relay Module Remote Switch Phone APP DIY Project Product Introduction Description: DC5-80V power supply ESP8266 relay module is suitable for ESP8266 development and learning, smart home wireless control and other occasions. Interface Description 1. VCC, GND: DC8-8OV power supply 2.MICRO USB: DC5V USB power supply Note: You can choose one of the three power supply modes of DC8-80V/DC5v USB/pin 5V 3.6X6MM button: ESP8266 reset button 4. UART program download port: GND, RX, TX, 5V of ESP8266 are respectively connected to external TTL serial port module GND, TX, RX, 5V, IO0 needs to be connected to GND when downloading, and then disconnect IO0 and Connection between GND 5. GPIO pin header leads to the port 6. Relay output NC: Normally closed, the relay is short-connected with COM before it is closed, and it is suspended after being closed; COM: public end; NO: Normally open end, the relay is suspended before being closed, and shorted to COM after being closed. 7 Power indicator LED 8 Programmable LED: use GPIO16 to control; 9 Relay indicator LED: lights up when closed Product Size: GPIO lead port introduction Package included: 1xDC5-80V Power Supply ESP8266 WIFI Relay Module ESP-12F Development Board Payment Shipping Refund Payment We accept PayPal only. But we only Accept your Ebay Address ,Please Make sure it's 100% right. Payment must be received in 5 business days of auction closing. Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order. Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched. Shipping We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns. Refund All package need to wait 30 days (US only n eed 7-10 days) , Please take care it.Less than 30 days,we can't take a refund . If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it. If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.