TIDA-00375: The TIDA-00375 TI Design uses Texas Instruments SimpleLink Wi-Fi CC3200 Internet-on-a-chip Wireless MCU module to create a data bridge between existing hardware with a logic-level UART interface and a Wi-Fi network. The design also contains a Simple Switcher power supply with a wide input range suitable for 24 volt HVAC systems. The UART interface has buffers to allow this design to interface with equipment that has logic levels between 3.3 volts and 5 volts.