: It featured a Deep Sleep mode drawing less than , making it perfect for battery-powered sensors.
New users accidentally brick their ESP-01 by pulling GPIO2 low at boot. esp01 datasheet
It provides realistic current draw figures: : It featured a Deep Sleep mode drawing
To make the ESP-01 usable, you also read: and software interfaces.
You can find the official ESP01 datasheet on the Espressif Systems website or other online repositories. The datasheet provides detailed information on the module's electrical characteristics, pinout, and software interfaces.