Node-Red node for ads1115 analog to digital converter

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

• 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.

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.

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