Features:
Two selectable differential input channels
On-chip active low noise PGA with selectable gain of 3264 and 128
On-chip power supply regulator for load-cell and ADC analog power supply
On-chip oscillator requiring no external component with optional external crystal
On-chip power-on-reset
Simple digital control and serial interface: pin-driven controlsno programming needed
Simultaneous 50 and 60Hz supply rejection
Current consumption including on-chip analog power supply regulator: normal operation < 1.5mApower down < 1uA
Operation supply voltage range: 2.6 ~ 5.5V
Operating Temperature Range:-20 degree ~ +85 degree

Module working voltage: 4.8-5.5v
Typical current 1.6mA
The J1 jumper behind the module is the data output rate 80hz/10hz option for the HX711 chip. J1 is open, the output rate is 80hz, that is, 80 ad conversions per second, J1 is shorted, and the output rate is 10hz.

Module main features:
With metal shielding, strong anti-interference, reserved cpu(STC15F104) position, 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 regulator circuit provides power directly to external sensors and on-chip A/D converters
The on-chip clock oscillator does not require any external devices, and can also use an external crystal or clock when necessary.
Power-on automatic reset circuit
Simple digital control and serial communication: all control by the pin input, the chip register without programming
Selectable output data rate of 10Hz or 80Hz
Synchronous suppression of 50Hz and 60Hz power supply interference
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 ℃

AB dual-channel design, each channel has two working modes for customers to choose to meet different user needs.
Default Baud Rate: 9600bps Check Bit: No Stop Bit: 1 Bit Protocol Total Length: 10 Bytes
The new increase of 47uf black large capacitor tantalum capacitor, stability significantly improved.
Built-in microcontroller, peeling, correction and other N instructions control, powerful. Save the bottom development time.
The HX711 on-chip voltage regulator circuit can supply power directly to the external pressure sensor.
Simple serial communication, TTL to USB connection to the computer for data transmission, very convenient.
The power supply interference of 50Hz and 60Hz can be suppressed synchronously.
Power consumption is very small, the typical working current 12mA.
Operating voltage range: DC 4.7~5.5V.
Operating temperature range:-20 ℃ ~ 85 ℃

HX711 24-bit high-precision ADC module, with TL431 external regulator, using external voltage (2.5V) as the excitation source of external pressure sensor, the voltage is more stable.

This module uses a 24-bit high-precision A/D converter chip HX711, which is the 1 designed for high-precision electronic scales. It has two analog channel inputs and an internal integrated 128-fold gain programmable amplifier. The input circuit can be configured to provide bridge (e. g. pressure, weight) sensor mode, which is the 1 ideal high-precision, low-cost sampling front-end module

Single-chip weighing AD module-TM7711 is compatible with HX710A chip in software and hardware. TM7711 is more cost-effective
This module uses 24-bit high-precision A/D converter chip TM7711, which is the 1 designed for high-precision electronic scales with single analog channel input. The input circuit can be configured to provide bridge voltage bridge (such as pressure, weighing) sensor mode, is the 1 ideal high-precision, low-cost sampling front-end module;
The typical application circuit of TM7711 weighing is shown in the following figure:

The weighing acquisition module is a high-performance and multifunctional electronic weighing device that adopts advanced weighing sensing technology. It can measure the weight of an item in real-time and display it on a five digit digital tube. It also has an upper and lower limit alarm function, enabling precise weighing control and monitoring. At the same time, the product also has a TTL communication interface and MODBUS RTU communication protocol, which can conveniently and quickly communicate with devices such as PLCs and computers, achieving the transmission and remote control of weighing data. In addition, it also supports Type-C power supply and button debugging functions, improving the convenience and stability of use.

Features:

1. High precision weighing sensor, achieving precise weight detection and numerical display.

2. Five digit digital tube display, intuitive and clear, can achieve high-speed weighing, suitable for efficient weighing processes.

3. The upper and lower limit alarm function facilitates early warning and strict control, improving quality.

4. Supports TTL communication interface and MODBUS RTU communication protocol, enabling convenient and fast data transmission and remote control.

5. Type-C/5V power supply and button debugging function, easy to use and strong stability.

6. Lightweight and portable, easy to install and move, saving space and costs.

In summary, the weighing collection module is a practical, high-performance, and multifunctional electronic weighing device that can be widely used in weighing measurement and control applications in various production lines and logistics warehousing situations, achieving remote transmission and precise control of weighing data. It is an important supporting equipment for modern production lines and logistics warehousing operations.