M5Stack Scale kit with weight module

With this kit from M5Stack, you can build a precise DIY IoT digital scale. The kit includes 4 individual weight sensors that connect to an HX711 weight unit. This unit can then be connected to an M5Stack Core module via the HY2.0-4P interface. The scale has a tolerance of ±0.3% FS and a maximum capacity of 200 kg.

Features:

• DIY kit for IoT scale
• 200 kg capacity
• ±0.3% FS tolerance
• HX711 weight unit
• 24-bit ADC

Technical details:

• Manufacturer: M5Stack
• Manufacturer SKU: K121
• HX711 weight unit:
• Two selectable differential input channels
• Selectable gain: 32, 64, or 128
• Simple digital control and serial interface
• Interface: Grove A
• Used pins: G22, G21 (DATA pin, CLOCK pin)
• Mounting: Two Lego-compatible holes
• Connector: PH2.0 4 pin
• Weight sensors:
• Output sensitivity: 1.0 ± 0.1 mV/V
• Non-linearity: 0.3% FS
• Tolerance: 0.3% FS
• Zero output: ±0.3 mV/V
• Impedance: 1000 ± 5 Ω
• Weight: 135 g

Included in delivery:

• 1x HX711 weight unit
• 4x Half-bridge resistive strain gauge weight sensors
• 4x Double-sided tape 39 x 20 x 0.8 mm
• 4x Double-sided tape 39 x 12 x 0.8 mm.