CS1238 24-Bit ADC Module TL431 External Reference Dual Channel

CS1238 24-Bit ADC Module with TL431 External Reference Chip – Dual Channel

The CS1238 24-Bit ADC Module is a high-precision analog-to-digital converter board designed for engineers, makers, and hobbyists who demand accurate signal measurement. Featuring an onboard TL431 external voltage reference chip and dual-channel input, this compact module delivers exceptional resolution for weighing sensors, load cells, and precision measurement applications.

Key Features

• 24-Bit Resolution: Ultra-high precision ADC (CS1238 chip) ensures accurate and stable digital conversion of analog signals.
• Onboard TL431 External Reference: Provides a stable and accurate voltage reference for consistent, drift-free readings.
• Dual-Channel Input: Supports two independent analog input channels, ideal for simultaneous multi-sensor measurement setups.
• Weighing Sensor Compatible: Perfectly suited for load cells, strain gauges, and other bridge-type weighing sensors.
• Compact PCB Design: Small form factor makes it easy to integrate into custom electronics projects, enclosures, and prototypes.
• Low Noise Performance: Optimized circuit design minimizes interference for clean, reliable data output.
• Simple Serial Interface: Easy to interface with microcontrollers such as Arduino, STM32, ESP32, and Raspberry Pi via standard serial clock/data lines.
• Wide Supply Voltage: Flexible power supply compatibility for versatile project integration.

Specifications

• ADC Chip: CS1238
• Resolution: 24-Bit
• Channels: Dual (2 independent analog input channels)
• Voltage Reference: TL431 (onboard external reference)
• Interface: Serial (CLK/DATA)
• Application: Weighing sensors, load cells, precision measurement

What's Included

• 1 × CS1238 24-Bit ADC Module with onboard TL431 reference chip

Perfect For

• DIY digital scales and weighing systems
• Load cell and strain gauge measurement circuits
• Embedded systems and microcontroller projects
• Electronics prototyping and engineering labs
• Industrial and hobbyist precision measurement

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Frequently Asked Questions

Q: What is the CS1238 24-Bit ADC Module used for?

A: The CS1238 24-Bit ADC Module is primarily used for high-precision analog-to-digital conversion in applications such as digital weighing scales, load cell measurement, strain gauge circuits, and other precision sensor systems. Its 24-bit resolution makes it ideal for projects where accuracy and stability are critical.

Q: What microcontrollers are compatible with the CS1238 ADC Module?

A: The CS1238 module communicates via a simple two-wire serial interface (CLK and DATA lines), making it compatible with a wide range of microcontrollers including Arduino (Uno, Nano, Mega), ESP8266, ESP32, STM32, Raspberry Pi, and virtually any platform that supports digital GPIO control.

Q: What is the role of the onboard TL431 external reference chip?

A: The TL431 is a precision programmable voltage reference chip. On this module, it serves as a stable external voltage reference for the CS1238 ADC, significantly improving measurement accuracy and reducing drift caused by supply voltage fluctuations — ensuring your readings remain consistent and reliable.

Q: Can this module handle two sensors at the same time?

A: Yes. The CS1238 ADC Module features dual-channel input, allowing it to interface with two independent analog sensors simultaneously. This makes it particularly useful in applications requiring multi-point weighing or comparative measurement setups.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.