Sensirion SHT4x Smart Gadget is a simple reference design circuit board that demonstrates the performance and ease of use of Sensirion SHT4x Humidity and Temperature Sensors. The SHT4x Smart Gadget features a Liquid Crystal Display (LCD) with humidity and temperature information. It also is equipped with a BLUETOOTH® Low Energy (BLE) module that enables communication with BLE-capable devices such as smartphones. This kit includes the Sensirion SHT4x Smart Gadget equipped with an SHT40 sensor, LCD, push-button, and BLE-capable MCU module, including battery and supports, as well as app download information and detailed hardware design resources.