The alert/ready pin of the ads1115 module also remains unconnected. For other models of arduino, consult the pinout diagram accordingly Learn how to use the ads1115 with detailed documentation, including pinouts, usage guides, and example projects
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Perfect for students, hobbyists, and developers integrating the ads1115 into their circuits.
On the one hand, we feed the module from arduino through gnd and 5v and connect the sda and scl pin of arduino with the corresponding pins of the sensor
The addr pin determines the i2c address of the device, according to the following table. We can set 4 different addressing modes by connecting the address pin with scl, sda, gnd or vdd Table below provides description on connection of address pin with scl, sda, gnd or vdd pin according to the address value. Communication between microcontrollers and different peripheral devices require some sort of digital protocol
I2c is a common communication protocol that is used in a variety of devices from many different product families produced by ti. The ads1115 can be configured to have a different i2c address by changing the connections to the addr pin The default i2c address of ads1115 is 0x48 in hexadecimal The following table illustrates how the i2c address of ads1115 changes depending on the addr pin connection:
The ads1115 provides an addr pin that allows you to set the i2c address by connecting it to gnd, vcc, sda, or scl
Refer to the ads1115 datasheet for the corresponding address configurations. To program the address, connect the address pin as follows: Connect the addr pin on the ads1115 to gnd for the default address of 0x48 It can also be connected to vcc (0x49), sda (0x4a) or scl ( 0x4b ) for different i2c addresses
That way up to four ads115 can be connected to the same bus If you want to connect more, you can use a i2c multiplexer. In arduino uno, nano, and mini pro, sda is pin a4 and sck is pin a5
