GitHub

Interrupt trigger or digitalRead resets ESP8266 after deepSleep()

After compiling and uploading a sketch, a digitalRead of a pin or an interrupt on a pin will do what it is supposed to. After a deepSleep(), the same event will reset the ESP8266. This example was ...
GitHub

digitalRead() pull-down not working

Hi, I have noticed a serious issue on digitalRead () on any pin. I have a system with a 47k pull-down resistor, and a switch that pull the pin high. However, I noticed that if I don't run the ...
Hackaday

Arduino IDE Support For The ESP8266

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. Finally, ...
EDN

Read the State of a Button with Arduino – Tutorial #3

You can read the state of a button using Arduino and a few lines of code. The actual state is shown in the Serial Monitor window as 0 or 1, 0 meaning the button is not pressed and 1 that the button is ...