Purpose: A compact receiver card that updates the main circuit receiver for MN78 and MN82 models, delivering precise control and efficient power use. Why you need it: Improves switching quality and reliability in control systems, reduces waste heat, and simplifies integration with MN78/MN82 hardware. Key features: compact PCB based module, robust connectors, durable construction, suitable for enclosure mounting, optimized for stable performance in typical operating conditions. Compatibility: Fits MN78 and MN82 main-receiver architectures; suitable for electronics enthusiasts, engineers, and manufacturers who require high quality switching performance. Who it is for: hobbyists and professionals seeking dependable, low noise control in small to medium scale projects. Use scenarios: - Upgrade a benchtop test rig for precise motor or actuator control in hobbyist or prototype work. - Integrate into a small automation or robotics project to improve signal integrity and power efficiency. - Replace or update the main receiver stage in a production test station to ensure repeatable switching behavior.