Despite a wealth of tutorials for setting up and writing code for the ESP8266 WiFi module, there has not been much of anything on programming this cheap wireless module with the Arduino IDE. Finall… ...

A 26.000MHz crystal is used in the ESP-01/ESP-01S module. In order to use the ESP-01 Wi-Fi relay module, a programmer/programming adapter is required to program the ESP-01 module (see below). Also it ...

Check the version of the arduino-esp32 in use. It can be found in the Arduino IDE under Tools > Board > Boards Manager > esp32. Ensure that the version of arduino-esp32 matches the version of the ...

Click on the right arrow button (upload button) as shown in the figure to upload the program to the module. This will start the blinking LED on the onboard LED of the NODEMCU module connected to pin ...

Unlike other ESP Development Boards, the ESP32-CAM has no USB connector to connect it to a computer. This might be confusing for beginners when they try to program this development board for the first ...

ESP8266 is a great module. I suggest you this also great application: Fishino. Fishino is an Arduino compatible platform with WiFi, RTC and SD card, ALL in ONE.