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Electronic Scale Motherboard PCBA

Parameter Table for Electronic Scale Motherboard PCBA

Parameter Specifications
Processor Low-power MCU (e.g., ARM Cortex-M4) with 32-bit precision ADC for weight signal processing.
Sensor Interface Supports strain gauge, load cell, or digital sensors (e.g., HX711 module).
Measurement Resolution 0.01g–1g (adjustable based on application).
Display Output LCD/LED display driver; supports touchscreen interfaces.
Power Supply 3.3V–5V DC; low-power sleep mode (<1µA) for battery-operated scales.
Communication Interfaces UART, I2C, SPI, Bluetooth 5.0, or Wi-Fi for IoT integration.
Calibration Function Auto-tare, multi-point calibration (e.g., 5/10/20 points) for accuracy compliance.
Environmental Tolerance Operating temperature: -10°C to +50°C; humidity resistance up to 85% RH.
Compliance Standards OIML R76, NTEP, RoHS, and ISO 9001.
PCB Material FR4 substrate with ENIG (Electroless Nickel Immersion Gold) surface finish.
Dimensions 50mm × 50mm to 100mm × 100mm (compact design for integration into scale housings).

 

The ​Electronic Scale Motherboard PCBA is a precision-engineered printed circuit board assembly designed to power commercial, industrial, and medical weighing systems. It integrates a ​high-resolution ADC (up to 24-bit) and ​low-power MCUs (e.g., ARM Cortex-M4) to achieve measurement resolutions as fine as ​0.01g, ensuring compliance with ​OIML R76 and ​NTEP accuracy standards. Key features include auto-tare calibration, multi-sensor compatibility (strain gauges, load cells), and IoT-ready connectivity via ​Bluetooth 5.0 or ​Wi-Fi for real-time data logging. Built on ​RoHS-compliant FR4 substrates with ENIG surface finish, these PCBAs resist humidity and temperature fluctuations (-10°C to +50°C), making them ideal for retail scales, laboratory balances, and industrial weighing systems. Advanced models support touchscreen interfaces and cloud integration, aligning with smart manufacturing and Industry 4.0 trends.

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