The STC15W204S-35I-SOP8 is an 8-pin, 150-mil RoHS-compliant, Surface Mount Device (SMD) component developed by STC, a microcontroller solutions manufacturer. It is a low-power microcontroller of the STC15 family that is powered by STC's proprietary Ultra-Wide Voltage STC 15-bit single-chip microcontroller (MCU). The STC15W204S-35I-SOP8 features 35kB of Flash memory, 1KB of RAM, an internal 16MHz Clock, and a scalable 6-channel 10-bit analog-to-digital converter (ADC). It also offers 2 UARTs, 2 SPI, and 1 I2C port for connection to external peripherals. It can be used in a wide range of industrial, instrumentation, and consumer devices, and is suitable for applications that require a low-cost but reliable embedded processor.