Esp8266 Esp-01 Datasheet [verified] Here

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

Have you burned out an ESP-01 by feeding it 5V? Let me know in the comments below! esp8266 esp-01 datasheet

| Feature | Specification | |---------|----------------| | | Tensilica L106 32-bit RISC | | Clock Speed | 80 MHz (can overclock to 160 MHz) | | SRAM | 80 KB user data + 16 KB ETS system + 64 KB instruction + 96 KB (external) | | Flash Memory | 512 KB / 1 MB (external SPI flash) | | WiFi | 802.11 b/g/n (2.4 GHz) | | GPIO Pins | 2 (GPIO0, GPIO2) | | Operating Voltage | 3.0V – 3.6V (3.3V typical) | | Current Consumption | ~80 mA (TX peak), ~15 mA (idle) | | Dimensions | 24.75 mm × 14.5 mm | Due to its small size and low cost,

The ESP-01 has an (4 pins on each side). Here’s the correct mapping: Here’s the correct mapping: