{"product_id":"16-bit-i2c-4-channel-ads1115-module","title":"16 Bit I2C 4 Channel ADS1115 Module","description":"\u003ch4\u003e16 Bit I2C 4 Channel ADS1115 ADC Module\u003c\/h4\u003e\n\u003cp\u003eThe 16 Bit I2C 4 Channel ADS1115 Module is a high-precision analog-to-digital converter (ADC) module designed for microcontroller and embedded electronics applications that require accurate analog signal measurement and conversion. Built around the powerful ADS1115 16-bit ADC integrated circuit, this module enables microcontrollers and single-board computers to measure analog voltages with significantly higher precision compared to standard onboard ADCs available in many development platforms.\u003c\/p\u003e\n\u003cp\u003eThe ADS1115 module is widely used in sensor interfacing, industrial monitoring systems, IoT devices, robotics, automation systems, scientific instrumentation, and embedded measurement applications where accurate analog signal acquisition is essential. Its high resolution, programmable gain amplifier, differential input capability, and easy I2C communication make it one of the most popular external ADC modules for modern electronics development.\u003c\/p\u003e\n\u003cp\u003eThe primary function of the ADS1115 module is to convert analog voltage signals into digital data that can be processed by microcontrollers and computers. Many embedded platforms such as Raspberry Pi 4 Model B do not include built-in analog input capability, while some microcontrollers provide only limited ADC resolution. The ADS1115 solves these limitations by offering highly accurate 16-bit analog-to-digital conversion with excellent measurement flexibility.\u003c\/p\u003e\n\u003cp\u003eThe module provides 16-bit resolution, meaning it can represent analog signals with 65,536 discrete digital values. This high resolution enables extremely precise voltage measurement and improved sensitivity when working with small sensor signals and low-level analog outputs.\u003c\/p\u003e\n\u003cp\u003eThe ADS1115 supports sampling rates up to approximately 860 samples per second (SPS), making it suitable for many real-time monitoring and measurement applications. Although not intended for high-speed audio acquisition, the module performs exceptionally well in sensor measurement, environmental monitoring, and slow-to-medium-speed analog data acquisition systems.\u003c\/p\u003e\n\u003cp\u003eCommunication with the module is performed using the I2C interface, which requires only two communication lines:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSDA (Serial Data)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSCL (Serial Clock)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis simple communication method reduces wiring complexity and allows multiple devices to share the same communication bus efficiently.\u003c\/p\u003e\n\u003cp\u003eThe ADS1115 can be configured in two main input modes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFour single-ended input channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo differential input channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn single-ended mode, the module can independently measure four separate analog voltage inputs relative to ground. This configuration is ideal for reading sensors, potentiometers, analog modules, and variable voltage signals.\u003c\/p\u003e\n\u003cp\u003eIn differential mode, the module measures the voltage difference between two input signals. Differential measurement improves noise immunity and enables accurate detection of very small voltage differences, making it useful for industrial sensors, bridge circuits, and precision instrumentation systems.\u003c\/p\u003e\n\u003cp\u003eOne of the most powerful features of the ADS1115 is its built-in Programmable Gain Amplifier (PGA). The PGA allows users to amplify small input signals before analog-to-digital conversion, improving measurement sensitivity and resolution.\u003c\/p\u003e\n\u003cp\u003eThe programmable gain supports multiple selectable voltage ranges including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e±0.256V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e±0.512V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e±1.024V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e±2.048V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e±4.096V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e±6.144V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese selectable input ranges allow the module to measure both very small and relatively large voltage signals accurately. By selecting an appropriate gain setting, users can maximize ADC resolution and improve precision for different sensor applications.\u003c\/p\u003e\n\u003cp\u003eFor example, low-voltage sensors such as thermocouples, strain gauges, and biomedical sensors benefit from high gain settings, while higher-voltage signals can use lower gain values for wider measurement range.\u003c\/p\u003e\n\u003cp\u003eThe ADS1115 module operates within a supply voltage range of approximately 2V to 5V DC, making it compatible with both 3.3V and 5V microcontroller systems. This flexibility allows easy interfacing with a wide variety of development platforms including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eArduino Uno R3\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eArduino Nano Board V3\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eESP32 development boards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSTM32 microcontrollers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNodeMCU systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRaspberry Pi 4 Model B\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePIC and AVR microcontrollers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe breakout board design includes onboard ferrite filtering components that help reduce electrical noise on the analog power and ground lines. This improves measurement stability and enhances ADC performance in noisy electrical environments.\u003c\/p\u003e\n\u003cp\u003eAnother major advantage of the ADS1115 is its configurable I2C address selection. The module supports up to four different I2C addresses, allowing multiple ADS1115 modules to share the same I2C bus simultaneously. This enables expansion up to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e16 single-ended analog inputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e8 differential analog channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eusing four modules connected to a single I2C interface.\u003c\/p\u003e\n\u003cp\u003eThe module is highly popular in IoT and sensor monitoring systems where multiple analog sensors must be measured accurately. It is commonly used with temperature sensors, pressure sensors, gas sensors, current sensors, voltage monitoring circuits, and environmental sensing systems.\u003c\/p\u003e\n\u003cp\u003eIn industrial automation systems, the ADS1115 provides accurate analog signal acquisition for process monitoring, instrumentation, machine control, and industrial sensor interfacing.\u003c\/p\u003e\n\u003cp\u003eRobotics projects use the module for precision sensor measurement, battery monitoring, motor current sensing, force sensing, and analog feedback systems. The high resolution improves control accuracy and sensor sensitivity.\u003c\/p\u003e\n\u003cp\u003eEducational institutions and STEM learning environments frequently use the ADS1115 module to teach concepts related to analog electronics, signal conversion, sensor interfacing, I2C communication, and embedded systems design.\u003c\/p\u003e\n\u003cp\u003eTypical applications of the ADS1115 ADC Module include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision sensor interfacing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial monitoring systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIoT data acquisition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnvironmental monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBattery voltage measurement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCurrent sensing systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRobotics and automation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBiomedical electronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eScientific instrumentation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAnalog signal analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEmbedded measurement systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEducational electronics projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe module is also widely used in Raspberry Pi projects because the Raspberry Pi lacks native analog input pins. The ADS1115 provides an easy and efficient method for adding high-precision analog measurement capability to Raspberry Pi systems through the I2C interface.\u003c\/p\u003e\n\u003cp\u003eIts compact PCB design allows easy integration into embedded systems, portable electronics, automation panels, and sensor monitoring devices. The module can be mounted directly onto breadboards or prototype circuits for rapid development.\u003c\/p\u003e\n\u003cp\u003eAnother important feature is its low power consumption, making it suitable for battery-powered IoT devices, remote monitoring systems, and portable embedded applications.\u003c\/p\u003e\n\u003cp\u003eThe ADS1115 also includes internal comparators and configurable alert functionality, enabling threshold-based monitoring and interrupt-driven measurement systems in advanced applications.\u003c\/p\u003e\n\u003cp\u003eBecause of its popularity, extensive software support is available for Arduino, Raspberry Pi, ESP32, STM32, and other embedded platforms. Numerous libraries, tutorials, and example projects simplify implementation for both beginners and professional developers.\u003c\/p\u003e\n\u003cp\u003eProper grounding, stable power supply design, and careful analog signal routing can further improve ADC accuracy and reduce measurement noise in sensitive applications.\u003c\/p\u003e\n\u003cp\u003eOverall, the 16 Bit I2C 4 Channel ADS1115 Module is a powerful, accurate, and highly flexible analog-to-digital conversion solution designed for embedded electronics, sensor interfacing, IoT systems, industrial automation, and scientific measurement applications. Its 16-bit resolution, programmable gain amplifier, differential input capability, multiple voltage ranges, I2C communication interface, and compatibility with popular microcontroller platforms make it an excellent choice for students, hobbyists, engineers, and developers requiring high-precision analog measurement in modern electronic systems. Whether used for sensor monitoring, industrial control, robotics, or data acquisition applications, the ADS1115 module delivers reliable performance, accurate signal conversion, and versatile analog interfacing capability in a compact and easy-to-use design.\u003c\/p\u003e","brand":"Electro Robo Store","offers":[{"title":"Default Title","offer_id":52477542859028,"sku":"MT0234","price":153.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/6590\/0052\/files\/11.webp?v=1778156096","url":"https:\/\/electro-robo.com\/products\/16-bit-i2c-4-channel-ads1115-module","provider":"Electro Robo Store","version":"1.0","type":"link"}