➀ The article introduces a flow meter reference design based on the MC9S08GW64 microcontroller from NXP. It highlights the design's versatility, efficiency, and its suitability for gas and fluid metering applications. The design is known for its low power consumption, long battery life, and support for automated meter reading (AMR). ➁ It describes the design's features, such as real-time flow sensing, data accumulation, and wireless communication via ZigBee, which streamline the development process. ➂ The design is suitable for both consumer and industrial metering systems and is optimized to operate for over a decade on a single battery.