M5Stack Scale kit with weight module

With this kit from M5Stack, you can build a precise DIY IoT digital scale. The kit includes four 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.