Communication between ESP-12F IOT module and SD card module using Arduino

Communication between ESP-12F IOT module and SD card module using Arduino

References :

Refer https://haberocean.com/2019/05/esp-12f-iot-module-programmer-circuit/ to get the programming basics.

Upload the following program to ESP-12F IOT module.

/* Listfiles This example shows how print out the files in a directory on a SD card The circuit: SD card attached to SPI bus as follows: ** MOSI - pin 11 ** MISO - pin 12 ** CLK - pin 13 ** CS - pin 4 created Nov 2010 by David A.
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Part 4 of : 7-digit seven segment display using ESP-12F IOT module through 32-bit serial-in parallel-out shift register module

Part 4 of : 7-digit seven segment display using ESP-12F IOT module through 32-bit serial-in parallel-out shift register module

Modules required

  • ESP-12F IOT module
  • 32-bit serial-in parallel-out shift register module
  • connector module
  • 7-digit seven segment display module

Reference blogs

ESP-12F IOT module programmer circuit and explanation : https://haberocean.com/2019/05/esp-12f-iot-module-programmer-circuit/

32-bit serial-in parallel-out shift register module using ESP-12F IOT module : https://haberocean.com/2019/05/32-bit-shift-register-module-using-esp-12f-iot-module/

Control the outputs of ESP-12F IOT module from android app : https://haberocean.com/2019/06/part-3-of-control-the-outputs-of-esp-12f-iot-module-from-an-android-app/

Video demonstration

Upload the following program to your ESP-12F IOT module.

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Part 3 of : Control the outputs of ESP-12F IOT module from an Android APP

Part 3 of : Control the outputs of ESP-12F IOT module from an Android APP

Upload the following program to ESP-12F IOT module. Before starting this, read my previous blog on the basics of programming ESP-12F IOT module.

#include <ESP8266WiFi.h#include <WiFiClient.h#ifndef APSSID #define APSSID "PaulESP" #define APPSK "paulsin91@" #endif // Variable to store the HTTP request String header; /* Set these to your desired credentials. */ const char *ssid = APSSID; const char *password = APPSK; int ledPin = 13; // GPIO13 WiFiServer server(80);
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