{"product_id":"cs1238-24-bit-adc-module-tl431-external-reference-dual-channel","title":"CS1238 24-Bit ADC Module TL431 External Reference Dual Channel","description":"\n\u003ch2\u003eCS1238 24-Bit ADC Module with TL431 External Reference Chip – Dual Channel\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eCS1238 24-Bit ADC Module\u003c\/strong\u003e is a high-precision analog-to-digital converter board designed for engineers, makers, and hobbyists who demand accurate signal measurement. Featuring an onboard \u003cstrong\u003eTL431 external voltage reference chip\u003c\/strong\u003e and \u003cstrong\u003edual-channel input\u003c\/strong\u003e, this compact module delivers exceptional resolution for weighing sensors, load cells, and precision measurement applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e24-Bit Resolution:\u003c\/strong\u003e Ultra-high precision ADC (CS1238 chip) ensures accurate and stable digital conversion of analog signals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOnboard TL431 External Reference:\u003c\/strong\u003e Provides a stable and accurate voltage reference for consistent, drift-free readings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Channel Input:\u003c\/strong\u003e Supports two independent analog input channels, ideal for simultaneous multi-sensor measurement setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeighing Sensor Compatible:\u003c\/strong\u003e Perfectly suited for load cells, strain gauges, and other bridge-type weighing sensors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact PCB Design:\u003c\/strong\u003e Small form factor makes it easy to integrate into custom electronics projects, enclosures, and prototypes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Noise Performance:\u003c\/strong\u003e Optimized circuit design minimizes interference for clean, reliable data output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple Serial Interface:\u003c\/strong\u003e Easy to interface with microcontrollers such as Arduino, STM32, ESP32, and Raspberry Pi via standard serial clock\/data lines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Supply Voltage:\u003c\/strong\u003e Flexible power supply compatibility for versatile project integration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eADC Chip:\u003c\/strong\u003e CS1238\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 24-Bit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e Dual (2 independent analog input channels)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Reference:\u003c\/strong\u003e TL431 (onboard external reference)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e Serial (CLK\/DATA)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Weighing sensors, load cells, precision measurement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × CS1238 24-Bit ADC Module with onboard TL431 reference chip\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY digital scales and weighing systems\u003c\/li\u003e\n  \u003cli\u003eLoad cell and strain gauge measurement circuits\u003c\/li\u003e\n  \u003cli\u003eEmbedded systems and microcontroller projects\u003c\/li\u003e\n  \u003cli\u003eElectronics prototyping and engineering labs\u003c\/li\u003e\n  \u003cli\u003eIndustrial and hobbyist precision measurement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLooking to build out your electronics toolkit? Check out our \u003ca href=\"\/products\/round-aluminum-wire-diy-jewelry-making-1mm-3mm\"\u003eRound Aluminum Wire for DIY Projects\u003c\/a\u003e or explore other precision components to complement your build.\u003c\/p\u003e\n\n\u003cp\u003eFor crafters and makers who love working with materials, our \u003ca href=\"\/products\/ccb-flat-round-spacer-beads-diy-jewelry-making\"\u003eCCB Flat Round Spacer Beads for DIY Projects\u003c\/a\u003e are a great addition to any workshop.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the CS1238 24-Bit ADC Module used for?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What microcontrollers are compatible with the CS1238 ADC Module?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the role of the onboard TL431 external reference chip?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this module handle two sensors at the same time?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo 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.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the CS1238 24-Bit ADC Module used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"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. 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