Specification introduction of PCBA solution for kitchen electronic scales:
Power supply: 3V
Low battery detection: 2.4±0.2V. If the voltage falls below 2.4V, the device will display "Lo" for 2 seconds before shutting down
Power on and boot up: The full display appears for 2-3 seconds upon boot up
OnOffKey power-on: full display for 2-3 seconds upon power-on
Power-on zero range: ≤1000g, display OutZ for values greater than 1000g
Power-on zeroing time: ≤10 seconds; if it exceeds 10 seconds, it displays "UnSt"
Unit conversion order: g-kg-oz-lb
Scale: 1g/0.001kg/0.05oz/0.002lb; default: g;
Minimum display: 2g
Communication method: Bluetooth
voice prompt
Measuring range: 5kg
Overload: +200g, displaying EEEEE
Negative weight: -2g, displaying the "-" symbol and weight value
Peeling range: <750 g, ≥750g displays Tare symbol
Shutdown time: 120±10 seconds
OnOff/Tare switch button, tare button: Short press to turn on after shutdown, short press to tare after turning on, long press for about 3 seconds to shut down
Unit key: After power-on and zeroing, short press for unit conversion