🔧 DM40 3-in-1 Digital Multimeter The DM40 3-in-1 Multimeter from Guangzhou Xingyi is a multifunctional, intelligent measurement device designed for embedded system development, electronics testing, and industrial diagnostics. Combining voltage, current, and resistance measurement capabilities in one compact unit, it’s ideal for engineers, educators, and makers working with Linux boards, MCU platforms, and smart instrumentation. ⚙️ Features 3-in-1 Measurement Functions Accurately measures voltage, current, and resistance with high precision and stability. Digital Display Interface Clear, real-time readout for fast diagnostics and easy interpretation. Embedded System Compatibility Seamlessly integrates with Linux development boards, MCU kits, and industrial control systems. Robust & Portable Design Durable casing and compact form factor suitable for lab, field, or classroom use. User-Friendly Operation Intuitive controls and fast response make it ideal for both beginners and professionals. Details