Here are some of the things we expect you to try to solve problems yourself before asking us for help. ESP-01 modules are tricky. We suggest you use a module with more GPIOs for your first time. e.g.

Occasionally it may be useful to visualize a continuous stream of data arriving through a serial connection as a web page in a browser. But how do you go about? May we suggest a bit of scripting?

We’ve probably all seen (and built) a useless box, in which you flip a switch that activates a servo that pops out a finger and flips the switch off. [Coffeman500] decided to take this a step further ...

The Elektor Uno R4 is an Arduino Uno R3 equiped with the ATmega328PB-AU featuring 2x USART, 2x I2C and 2x SPI and much more. This board is an evolution of the Arduino Uno R3 board. Identical form ...