Esp8266 Esp-01 Datasheet

The ESP8266 ESP-01 remains a staple in the electronics hobbyist's toolkit. While newer modules like the ESP-12 or the successor ESP32-C3 offer more pins and Bluetooth connectivity, the ESP-01 remains the go-to solution for minimal-space, low-cost Wi-Fi integration. Its datasheet outlines a robust SoC capable of heavy lifting, provided the developer respects its strict power requirements and GPIO constraints.

While often referred to simply as "the ESP8266," the is a specific form factor (module) that houses the ESP8266EX chip. It is designed as a self-contained System-on-Chip (SoC) with a TCP/IP protocol stack, allowing microcontrollers to connect to Wi-Fi networks with minimal coding. esp8266 esp-01 datasheet

The ESP-01 is – a common mistake is connecting it to an Arduino’s 5V pin. The ESP8266 ESP-01 remains a staple in the

| 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 | While often referred to simply as "the ESP8266,"