How to program relay32s

 

          How to program relay32s

What you need:
1PCS Relay32s
1PCS USB to TTL Module (please install driver in your PCc)
1PCS Power Supply
4P Female to Female Dupont Cable

The pinout for program:

 

Connection:
Relay32s              USB to TTL Module             Terminal

GND  (J1)               GND(white)

TX                           RX(black)

RX                          TX(grey)

GND                                                                      -(yellow)
Connection as below :
 

Open FLASH_DOWNLOAD_TOOLS_V3.4.4 file

Open ESPFlashDownloadTool_v3.4.4.exe

Setting as below:

Click START

Connect the yellow cable

Connect Power supply:

Then it will show downloading….

Once download is finished, it will show

At last you open serial port software to test it, it will show as below

FAQ

Q: It shows error when program
A: 

  1. Please unplug the power supply, then plug it , until the software show downloading…
  2. Please exchange TX and RX and have try it again

website link  http://www.diymalls.com/esp32-wifi-bluetooth-relay-module?search=relay
Any question please email sales@diymalls.com

 

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