The ESP32 integrated with Antenna switches, RF Balun, power amplifiers, low-noise amplifiers, filters, and management modules, and the entire solution occupies the least area of PCB. 2.4 GHz Wi-Fi plus Bluetooth dual-mode chip, with TSMC Ultra-low power consumption 40nm technology, power dissipation performance and RF performance is the best, safe and reliable, easy to extend to a variety of applications.

Package included:

1 ESP-32 Development Board

• Durable material: This product is made of high-quality material, durable, long service time, firm and stable in use.
• The complete solution takes up the least printed circuit board area. This board is used with 2.4GHz dual-mode WiFi and wireless chips using 40nm TSMC low-power technology.
• The best power and RF characteristics are safe, reliable and scalable for various applications.
• Meticulous workmanship: The meticulous design, perfect in workmanship, durable and long service life.
• Compact and portable: being so mini and light-weight, this product does not take much space and can be easily taken away.
• in Arduino IDE，choose ESP32 DEV

If it can't get bluetooth working. Using Node32 as the Board selection. To reference GPIO pins in code use just the number, for example "digitalWrite(13, HIGH)" sets GPIO13 high. The built-in LED to GPIO2.