ESP32 integrates antenna switch, RF balun, power amplifier, low-noise amplifier, filter and power management module, and the whole solution occupies a minimum printed circuit board area. 2.4 GHz Wi-Fi plus Bluetooth dual-mode chipAdopt TSMC's low-power 40nm technology, power consumption performance and RF performance, easy to expand to applications.cost-effective small volume. Easy to embed into any product Powerful, support LWIP protocol, freertos Support three modes: , STA, +STA coexistence mode Lua programming makes your development easierMaterial: PCBcolour: blackPackage Contents:1 x Development Board1 x Expansion BoardOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.