This module features the MCP3424, a member of the MCP342X series of low-noise, high-accuracy 18-Bit delta-sigma analog-to-digital (Δ∑ A/D) converters. It integrates the MCP3432 A/D converter chip, offering analog input capabilities for Raspberry Pi and high-precision analog input for Arduino. Key features include internal offset and gain self-calibration per conversion. Users can select the PGA gain before analog-to-digital conversion, enabling high-resolution conversion of very weak input signals. It has two conversion modes: One-Shot mode for single conversions followed by low-current standby, and Continuous mode for continuous conversions at a set speed. Applications range from temperature sensing to weigh scales and battery fuel gauges. Specifications include an operating voltage of 2.7 - 5.5V, low standby current, wide operating temperature range, on-board voltage reference, programmable gain amplifier, and more. Documents such as the wiki, libraries, datasheet, and schematic are available. The shipping list includes one MCP3424 18-Bit ADC-4 Channel with Programmable Gain Amplifier.
Using this MCP3424 module is quite straightforward. First, connect it to your Raspberry Pi or Arduino through the appropriate input and output interfaces. The 4 differential input channels allow you to connect multiple sensors. For different applications like temperature sensing or weighing, you can select the suitable PGA gain and resolution to get accurate readings. When it comes to the conversion modes, if you only need a single reading, choose the One-Shot mode. It'll perform the conversion and then go into a low-power standby mode, saving energy. If you need continuous data, use the Continuous mode. Keep in mind the operating voltage range of 2.7 - 5.5V. Don't exceed this range as it may damage the module. Also, be aware of the operating temperature range from -40°C to +125°C. For maintenance, keep the module clean and dry. Avoid exposing it to extreme humidity or dust. If you face any issues, refer to the provided documents like the datasheet and the Arduino or Raspberry Pi libraries for troubleshooting.
