BATTERY OPERATED HUMIDITY INDICATOR

RHT803 is a microcontroller-based, high performance battery operated, Humidity & Temperature Indicator. It has an integral dual 4-digit LCD display. The circuit is designed for ultra-low power consumption. This gives a battery life in excess of 1 year with a standard 9 volt alkaline battery. It can be configured for parameters such as unit, bias, sampling interval using 4 keys.