@iiot2k/node-red-ads1115

Node-Red node for ads1115 analog to digital converter

Installation

Install with Node-Red Palette Manager or npm command:

cd ~/.node-red
npm install @iiot2k/node-red-ads1115

View on npm View on Node-Red View used library

Report any issues here

ads1115 16bit analog to digital converter

• 16bit Conversion Resolution.
• Four Analog Inputs.
• Each input can be selected Single-Ended, Differential.
• Internal Voltage Reference.
• Internal Oscillator.
• Programmable Data Rate 8 SPS to 860 SPS.
• The PGA offers input ranges from ±256 mV to ±6144 mV.
• I2C Interface with four pin-selectable addresses.

Detail

Node ads1115 reads single adc input. Node ads1115-m reads multiple adc inputs.

• This node works on Raspberry Pi with 32bit or 64bit OS.
• The output value is mV or adc raw data.
• Enable I2C with raspi-config.
• In this case i2c-1 is enabled (port=1).
• If you use i2c-0 port add dtparam=i2c_vc=on to /boot/config.txt, then Pin27=SDA, Pin28=SCK.
• For other ports add this to /boot/config.txt.

Address Pin Connection

|I2C Address|ADDR Pin| |:----|:---| |48H|GND or open| |49H|VCC| |4AH|SDA| |4BH|SCL|