ADS1115 16-bit ADC- 4-channel with programmable gain amplifier -STEMMA QT/For Qwiic

modname=ckeditormodname=ckeditor The ADS1115 ADC module is a high-precision 16-bit analog-to-digital converter designed for precise voltage signal acquisition and detection. Equipped with advanced ADS1115 decoding chip, this 4-channel ADC board provides ultra-high resolution sampling performance, which is much more accurate than traditional 10-bit or 12-bit ADC modules. It comes with a built-in programmable gain amplifier (PGA), allowing users to freely adjust the gain multiple to adapt to different weak signal detection scenarios. This signal acquisition module features four independent analog input channels, which can collect multiple analog voltage signals at the same time and efficiently complete multi-channel data monitoring. With standard STEMMA QT and Qwiic interface design, the module supports I2C communication protocol, featuring simple wiring, fast transmission and strong compatibility. The compact structure enables cascaded connection without complex wiring, greatly simplifying the circuit design process for electronic development. The onboard programmable gain amplifier supports multiple gain levels, which can effectively amplify tiny voltage signals and accurately capture weak analog signals. The measuring voltage range is flexible and adjustable, meeting various low-voltage detection needs such as sensor signal collection, temperature detection and pressure monitoring. The module operates with low power consumption, stable operation and low data drift, ensuring long-term high-precision data acquisition. Made of high-quality flame-retardant PCB and premium electronic components, this ADC conversion board has excellent stability and anti-interference ability. It supports wide voltage input and is compatible with mainstream development boards such as Arduino, Raspberry Pi and single-chip microcomputers. It is widely used for analog signal collection, industrial voltage monitoring, medical micro-signal detection, experimental data measurement and intelligent sensing projects. The ADS1115 high-precision ADC module is an essential electronic building block for electronic enthusiasts, laboratory teaching, industrial detection and DIY development. With high resolution, multi-channel design and convenient Qwiic interface, it is the best choice for high-precision analog signal conversion and collection.