ESP-01 Breakout Board or Adapter

90৳ 
The ESP-01 Breakout Adapter for ESP8266 serial to Wi-Fi transceiver module. Since the ESP-01 pinout is not breadboard friendly and unlabeled, this makes it inconvenient for rapid prototyping.

ESP32-S Wi-Fi + Bluetooth Chip on ESP32

400৳ 
The ESP32-S is a wireless module based on ESP32, supports Wi-Fi and Bluetooth 4.2, with built-in 32Mbit Flash, in the SMD38 package. There are also on board PCB antenna and metal shield.