IoT relay based on ESP-01

The board test has not been done yet, please do not rush to do the board test, it is expected to be completed before 9.10 ! ! !

1. Preliminary preparation

(1) Download the "Lighting Blinker" APP on your mobile phone, and configure the environment according to the "Blinker Mobile Terminal Configuration Operation Manual" in the attachment;

(2) Prepare the components required for the circuit, such as USB-TTL downloader, ESP-01, 5V relay, optocoupler PC817, AMS1117-3V3 and other components and solder them;

(3) After changing your own WiFi information, blinker key, etc. in the program, download the program;

2. Blinker configuration on mobile phone

3. Hardware introduction

(1)

4. Program download

(1) Before downloading the program, short-circuit the two ports marked download on the PCB; after the download is completed, disconnect it and enter the running mode, as follows

(2) Change the following information in the program:

(3) Connect the USB-TTL downloader to compile and download. After the download is successful, disconnect the short circuit and power on again.