HX711 Industrial 24-bit Two-channel Analog-to-digital Converter

HX711 Industrial 24-bit Two-channel Analog-to-digital Converter
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  • Product Code:SQ1313
  • Availability: 1000
  • $1.10
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  • Ex Tax:$1.10
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Tags: adc, hx711, IC hx711

Description:

HX711 module is one of the most used sensors in the load cell industry. Unfortunately, starting and driving the load cell has always been a difficult and sensitive task due to very slight changes in the output voltage and high noise.
HX711 analog to digital converter module is specially used in weight sensors and pressure sensors. Using the HX711 analog-to-digital converter module, the analog values ​​sent from the weight sensor are converted into digital form by the 24-bit processor of this module. With this module, you can convert the output of the load cell to digital with 24-bit accuracy, without the need for any settings and trouble for the analog part of your circuit. If you use this module, the noise caused by other circuits is minimized and you can adjust and calibrate your device with high precision.
One of the most important features of this converter is its processing speed and fast response, along with its high reliability. This module is used in digital scales, robotics and force gauge industries.

Detection Method:
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 the ground voltage, it should be about 0v if the voltage is consistent, the module is 99% normal.
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.


Application:
Robotics
Load cell

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

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