The 55004201 is a PC board with A/D converter, 8-bit resolution, LED indicators, and multiple input terminal options. Manufactured by LANTECH, this PC board is designed to provide reliable and efficient analog-to-digital conversion. With its high-quality construction, it ensures accurate and responsive conversion and signal processing. The 55004201 is easy to install and integrate into existing systems, making it suitable for different applications. Whether you need to convert analog signals, monitor input ranges, or other applications, this PC board is a reliable choice for achieving precise and reliable conversion.