Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| ADC Resolution | 16-bit (configurable to 12, 14, 15 bit) |
| Input Channels | 4 Single-Ended or 2 Differential |
| Interface Protocol | I2C (up to 3.4 MHz) |
| Supply Voltage | 2.0V to 5.5V |
| Programmable Gain | x2/3, x1, x2, x4, x8, x16 |
| Data Rate | 8 SPS to 860 SPS |
| Operating Temperature | -40°C to +125°C |
| Board Dimensions | 24mm x 19mm |
| Connector Type | Standard 2.54mm Pitch Header |
| Compatibility | Arduino, Raspberry Pi, ESP32, STM32 |
Anonymous
Mar 16, 2026
Rating: 4/5
Great value, small footprint
Compact size fits perfectly into tight enclosures. I2C communication is stable. Only giving 4 stars because the included headers were slightly loose, but that's a minor issue easily fixed with soldering.
Anonymous
Mar 15, 2026
Rating: 5/5
Plug and play with Raspberry Pi
Connected this to my Raspberry Pi Zero for a home automation project. The Python library support is robust, and the conversion speed is adequate for non-real-time critical applications.
Anonymous
Mar 12, 2026
Rating: 5/5
Reliable and consistent
I have purchased five of these boards now. All of them perform consistently with low noise levels. The differential input mode is particularly useful for measuring bridge sensors.
Anonymous
Mar 07, 2026
Rating: 4/5
Good learning tool
Bought this for a university electronics course. It helped me understand I2C protocols and high-resolution sampling. Documentation online is plentiful which made debugging easy.
Anonymous
Mar 07, 2026
Rating: 5/5
Excellent precision for the price
I use these modules for data logging temperature and humidity. The programmable gain amplifier is very useful for scaling different sensor outputs. Highly recommended for hobbyists and students.
Anonymous
Mar 06, 2026
Rating: 5/5
Perfect for precise sensor readings
This ADS1115 module works flawlessly with my Arduino project. The 16-bit resolution makes a huge difference when reading analog sensors compared to the standard onboard ADC. Setup was easy using existing libraries.
Q: Does this come with pre-soldered headers?
A: The module typically comes with unsoldered pin headers in the package to allow flexibility for through-hole or surface-mount configurations. You will need to solder them yourself.
Q: Is there a library available for ESP32?
A: Yes, the popular Adafruit ADS1X15 library is fully compatible with the ESP32 platform and can be installed directly via the Arduino IDE Library Manager.
Q: What is the maximum sampling rate available?
A: The maximum data rate is 860 samples per second (SPS). You can configure lower rates (8, 16, 32, 64, 128, 250, 475, 860 SPS) via software to reduce noise or save power.
Q: Can this module handle 5V logic levels directly?
A: Yes, the ADS1115 operates from 2.0V to 5.5V, so it is fully compatible with both 3.3V and 5V microcontroller logic levels without needing a level shifter.
Q: How many I2C addresses can be configured?
A: The ADS1115 allows you to select one of four different I2C addresses by connecting the ADDR pin to GND, VDD, SDA, or SCL, allowing up to four modules on the same bus.
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