Esp8266 Esp-01 — Datasheet

Due to its small size and low cost, the ESP-01 is ideal for:

| Parameter | Min | Typical | Max | |-----------|-----|---------|-----| | VCC | 3.0V | 3.3V | 3.6V | | Peak current | – | 300 mA | 500 mA | | Logic input HIGH | 0.75 × VCC | – | 3.6V | | Logic input LOW | – | – | 0.25 × VCC | esp8266 esp-01 datasheet

| Mode | Current | |------|---------| | TX @ 0 dBm | ~120 mA | | TX @ +19.5 dBm | ~170 mA | | RX (WiFi on) | ~60-70 mA | | Modem-sleep | ~15 mA | | Light-sleep | ~1.5 mA | | Deep-sleep | ~10 µA (but ESP-01 has no deep-sleep pin broken out) | Due to its small size and low cost,