With a click of the "Upload" arrow, the RX/TX LEDs on his Arduino began to dance—a frantic, rhythmic blinking that signaled success. A moment later, the small pump whirred to life, sending a gentle stream of water into a waiting pot.

Grant administrative permissions if prompted by Windows User Account Control (UAC). Read and accept the . Step 3: Choose Components

: Arduino IDE 1.8.57 was released in late 2020 / early 2021 (exact patch versions vary by board package). It supports all official Arduino boards (Uno, Mega, Nano, Due, Zero, MKR series, and ESP8266/ESP32 via board managers).

The installer will present a list of components to install. Ensure the following are checked: : The core application files.