3pcs HX711 Dual-channel 24-bit A/D Conversion Pressure Weighing Sensor Module with Metal Shied
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Product information
Condition:
New
Location:
International
Bob Shop ID:
612369420
Features: ? - Two selectable differential input channels - On-chip active low noise PGA with selectable gain of 32, 64 and 128 - On-chip power supply regulator for load-cell and ADC analog power supply - On-chip oscillator requires no external component with optional external crystal - On-chip power-on-reset - Simple digital control and serial interface: pin-driven controls, no programming needed - Selectable 10SPS or 80SPS output data rate - Simultaneous 50 and 60Hz supply rejection ? Specifications: ? Current consumption (including on-chip analog power supply regulator:: normal operation < 1.5mA, power down < 1uA Operation supply voltage range: 2.6 ~ 5.5V Operation temperature range: -40 ~ 85?ﾣ Size: 2.9x 1.7x0.4 cm
More document click to download: ? Module Detection Method: ? 1. Preliminary quick judgment: disconnect all modules of the module, only supply the module 5v (that is, vcc is connected to 5v, gnd ground), then short the module's ck port to ground, and then measure the out-to-ground voltage, which should be 4.5 v around, then measure the DO / RX port to ground voltage, should be about 0v, if the voltage is consistent, the module is 99% normal. ? 2. Complete test judgment: use the test circuit diagram provided by the shop to build a circuit, give the 89c51 single-chip computer into the hex test program provided by the store, then connect the computer with the serial cable, run the serial port assistant on the computer, you can receive the test circuit. The reading is reported and the reading is normal, indicating that the module is normal. See the test chart below for details. ? Package Included: ? 3 x HX711 Weighing Sensor Module with Metal Shied
More document click to download: ? Module Detection Method: ? 1. Preliminary quick judgment: disconnect all modules of the module, only supply the module 5v (that is, vcc is connected to 5v, gnd ground), then short the module's ck port to ground, and then measure the out-to-ground voltage, which should be 4.5 v around, then measure the DO / RX port to ground voltage, should be about 0v, if the voltage is consistent, the module is 99% normal. ? 2. Complete test judgment: use the test circuit diagram provided by the shop to build a circuit, give the 89c51 single-chip computer into the hex test program provided by the store, then connect the computer with the serial cable, run the serial port assistant on the computer, you can receive the test circuit. The reading is reported and the reading is normal, indicating that the module is normal. See the test chart below for details. ? Package Included: ? 3 x HX711 Weighing Sensor Module with Metal Shied