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ماژول مبدل آنالوگ به دیجیتال صنعتی 24 بیتی دو کاناله HX711

کد انبار : 352-114-1313
مدل کالا : HX711
جستارش : A1-04-0301B
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ماژول مبدل آنالوگ به دیجیتال صنعتی 24 بیتی دو کاناله HX711

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Features
With metal shielding, strong anti-interference, reserved cpu (STC15F104) position, you can upgrade the secondary development. 
Two selectable differential inputs 
On-chip low-noise programmable amplifier with selectable gains of 32, 64, and 128 
On-chip voltage regulator circuit provides power directly to external sensors and on-chip A/D converters 
On-chip clock The oscillator does not need any external devices, and an external crystal or clock can be used if necessary. 
Power-on automatic reset circuit 
Simple digital control and serial communication: All controls are input by pins, and the on-chip registers do not need to be programmed. 
10Hz or 80Hz can be selected. Output data rate 
Synchronously suppress power disturbances of 50Hz and 60Hz 
Power consumption (including regulated power supply circuit): 
Typical operating current: < 1.7mA, power-off current: < 1μA 
Operating voltage range: 2.6 ~ 5.5V 
Operating temperature Range: -20 ~ +85 °C

Detection method:
1, preliminary quick judgment: disconnect all modules of the module, only supply the module 5v (that is vcc +5v, gnd ground), then short the module's ck port to ground, and then measure out + ground voltage, should 4.5v or so, then measure the DO/RX port to ground voltage, it 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 a 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.

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