ESP01S WIFI + 2 GPIO ESP8266 80MHz 3.3V
SKU:MOD-1095
Works as a WiFi module for Arduino (or other microcontrollers – Teensy, Netduino, etc.) or as a standalone microcontroller. With an 80 MHz RISC processor and 1 MB Flash memory, it enables various interesting projects. It has 2 GPIO ports for communication with other modules (OneWire).
ESP8266-01S technical specifications:
2 GPIO ports, both PWM capable
RISC processor 80 MHz
Power supply 3.3V
Logic levels 3.3V
Voltage
3.3V