DIY electronic scale kit

Contents

• ATMEGA328P-AU microcontroller board

• x4 Wooden panels

• x2 Acrylic panels

• HX711 weighing module

• Micro load cell

• 4*4 Membrane load cell

• I2C 1602 LCD module

• DS3231 clock module

• Power amplifier module

• Module x2 yellow LED

• 6-slot AA battery holder

• 3-pin toggle switch

• 50g balance weight

• x8 M3*8mm copper pillars with double passage

• x4 M3*40mm copper pillars with double passage

• x8 M3*6mm round head screw

• x13 M3*8mm round head screw

Specifications

• Input voltage: DC 7-12V

• Operating voltage: 5V

• Working current: 100mA

• Maximum power consumption: 1.5W

• Microcontroller ATMEGA328P-AU

• Digital I/O pins: 14

• Digital PWM I/O pins: 6

• Analog Input Pins: 6

• IIC, UART, SPI Ports

• Flash Memory: 32KB of which 0.5 KB is used by the bootloader

• SRAM 2KB

• EEPROM 1KB

• Clock speed: 16MHz

• Dimensions: 228 x 178 x 55 mm

• Weight: 816 g

Useful resources

Codes

Libraries

Comprehensive documentation