Specifications:
| Specification | Details |
| A/D Converter Chip | HX711 |
| Resolution | 24-bit high-precision |
| Analog Channels | Two |
| Gain | 128 times programmable amplifier |
| Interface | Simple, driven by pins, no need for chip registers |
| Circuit Configuration | Configurable for bridge voltage transmitter mode |
Detailed Review:
Delving into the realm of high-precision electronic scales brings us to a tiny yet powerful module, the one that boasts the prowess of the 24-bit high-precision A/D converter chip, HX711. This unassuming piece of technology is designed to elevate the performance of electronic scales, offering a seamless bridge between accuracy and simplicity.
Features:
- High-Precision A/D Conversion: At the heart of this module lies the HX711, a 24-bit A/D converter chip that ensures precision in electronic scale readings. This means accuracy down to the minutest detail, making it ideal for applications where precision is non-negotiable.
- Dual Analog Channels: With two analog channel inputs, the module caters to diverse measurement needs, allowing for versatile usage in various electronic scale setups.
- 128 Times Gain Amplifier: The programmable amplifier, with a whopping 128 times gain, takes the accuracy a notch higher. It’s a game-changer for applications demanding not just precision but also flexibility in signal amplification.
- Simplified Interface: The interface and programming between the HX711 chip and the MCU chip at the back end are refreshingly simple. All control signals are driven by pins, eliminating the need for delving into the complexity of programming registers inside the chip.
- Versatile Input Circuit: The module’s input circuit is configurable, providing the flexibility to offer bridge voltage in transmitter mode. This feature makes it an ideal choice for applications such as pressure and weighing, where high precision is a necessity.
- Fast Response and Anti-Interference: HX711 boasts fast response times and strong anti-interference capabilities. These qualities not only contribute to the module’s reliability but also reduce the overall cost of the electronic scale.
Pros:
- High Precision: The 24-bit resolution and 128 times gain amplifier ensure utmost precision.
- Simplified Interface: No need to navigate through complex chip registers, making it user-friendly.
- Versatile Input Circuit: Adaptable for various applications, including pressure and weighing.
Cons:
- Limited to Specific Applications: While excellent for electronic scales, its use may be restricted to certain precision-centric domains.
- Learning Curve: Beginners might face a slight learning curve due to the high precision and programmable features.