CS1237 24-Bit ADC Module with TL431 Reference for Arduino
CS1237 24-Bit ADC Module with Onboard TL431 External Reference Chip
Take your weighing and sensing projects to the next level with the CS1237 24-Bit ADC Module. Designed for makers, engineers, and hobbyists, this compact SMD module delivers exceptional analog-to-digital conversion accuracy for single-channel load cell and weighing scale applications — and integrates seamlessly with Arduino and other popular microcontroller platforms.
Why Choose the CS1237 ADC Module?
- 24-Bit High Resolution: Captures ultra-fine signal variations for precise weight and force measurements.
- Onboard TL431 External Reference Chip: Provides a stable, accurate voltage reference, minimising measurement drift and improving overall reading consistency.
- Single-Channel Weighing Sensing: Optimised for load cell signal acquisition, making it ideal for DIY weighing scales, force gauges, and sensor platforms.
- Arduino Compatible: Simple 2-wire serial communication interface (clock + data) makes integration with Arduino, ESP32, STM32, and similar boards straightforward.
- Wide Operating Temperature Range: Rated from -40°C to 80°C, suitable for both indoor lab environments and demanding outdoor applications.
- SMD Package: Compact surface-mount design keeps your project board clean and space-efficient.
- Brand New Condition: Every module is shipped new and ready to use right out of the box.
Technical Specifications
| ADC Resolution | 24-Bit |
| Reference Chip | TL431 |
| Channels | Single-Channel |
| Package | SMD |
| Operating Temperature | -40°C to 80°C |
| Quantity | 1 Module |
| Condition | New |
| Origin | Made in Mainland China |
Perfect For
- DIY digital weighing scales and kitchen balances
- Load cell signal conditioning circuits
- Arduino, ESP32, and STM32 sensing projects
- Industrial force measurement prototypes
- Electronics lab experiments and learning
Compatible Products You May Also Like
If you enjoy hands-on electronics and maker projects, check out these related items from our store:
- Electromagnetic Induction Tester – Coil & Circuit Fault Detector
- Air Compressor Pressure Gauge 0-10/0-12/0-25 Bar | DIY Tool
Learn more: OSHA on personal protective equipment
Frequently Asked Questions
Q: Is the CS1237 24-Bit ADC Module compatible with Arduino?
A: Yes! The CS1237 ADC module uses a simple 2-wire serial interface (SCLK and DOUT) that is easy to interface with Arduino, ESP32, STM32, Raspberry Pi, and most other popular microcontroller platforms. Open-source libraries and example sketches are widely available in the maker community to get you started quickly.
Q: What is the TL431 external reference chip used for on this module?
A: The onboard TL431 is a precision programmable shunt voltage reference. It provides a stable, low-drift voltage reference for the CS1237 ADC, which significantly improves measurement accuracy and consistency — especially important in weighing and load cell sensing applications where even small reference fluctuations can affect readings.
Q: What types of sensors or load cells can I connect to this module?
A: This module is designed primarily for single-channel Wheatstone bridge-type load cells and strain gauge sensors commonly used in weighing scales and force measurement setups. It is suitable for load cells with a standard differential output that falls within the module's input voltage range.
Q: Can this module operate in outdoor or high/low temperature environments?
A: Yes. The CS1237 module is rated for an operating temperature range of -40°C to 80°C, making it well-suited for a wide variety of environments including outdoor enclosures, industrial settings, and standard indoor lab or workshop use.