Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Resolution	12-bit
Communication Interface	I2C (Inter-Integrated Circuit)
Supply Voltage	2.0V to 5.5V
Analog Input Channels	4 Single-Ended or 2 Differential
Programmable Data Rate	128 SPS to 3300 SPS
Programmable Gain Amplifier	±256mV to ±6.144V
Operating Temperature	-40°C to +125°C
Board Dimensions	20mm x 15mm x 3mm
Weight	5 grams
Compatibility	Arduino, ESP32, Raspberry Pi, STM32

5 reviews

Anonymous

Apr 02, 2026

Rating: 5/5

High precision

Much better than the built-in ADC on my Arduino Uno. I use this for audio envelope detection and it handles the dynamics well.

Anonymous

Mar 07, 2026

Rating: 4/5

Good value but small pins

Works as expected for the price. The pins are a bit close together for breadboarding without an adapter, but performance is solid.

Anonymous

Feb 25, 2026

Rating: 5/5

Perfect for sensor logging

Needed extra ADC pins for my weather station. This module works flawlessly with my ESP32. Readings are stable and consistent.

Anonymous

Feb 09, 2026

Rating: 5/5

Reliable component

Bought three for a robot project. All three performed identically. Highly recommend for anyone needing precise analog readings.

Anonymous

Jan 23, 2026

Rating: 3/5

Documentation scarce

Hardware is fine, but had to dig around forums to find the right library settings for the gain configuration. Works once set up.

5 FAQ

Q: What is the maximum input voltage range?

A: The PGA allows up to ±6.144V, but ensure common mode limits are respected based on your supply voltage.

Q: Can it measure differential signals?

A: Yes, it supports 2 differential input pairs or 4 single-ended inputs depending on your configuration.

Q: Can I change the I2C address?

A: Yes, there are address selection pins available on the breakout board to configure different addresses.

Q: Is there an Arduino library available?

A: Yes, the Adafruit ADS1X15 library works perfectly with this module and is easy to implement.

Q: Does this work with 3.3V logic?

A: Yes, it supports 2.0V to 5.5V supply, so 3.3V logic levels are fully compatible.

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