The Adafruit Feather Shield is designed to install Adafruit Feather or compatible modules to mikroBUS slot or connect mikroBUS modules (such as MikroElekronika's Click®) to Adafruit Feather compatible modules.

This shield can be used with the following popular SoMs:

• Huzzah32, M0 and M4 Express, Feather RP2040 from Adafruit
• Xenon, Argon and Boron from Particle
• MAX32620FTHR and MAX32630FTHR from Maxim Integrated
• Thing Plus Series SoM from SparkFun

with all software and services from specified companies.

Almost all signals not used by mikroBUS from the installed Adafruit Feather are output to the AUX connectors.

The I2C interface is most often used in the design of devices and instruments based on this module. For this, the module has I2C connector through which you can connect external devices and sensors.

The Adafruit Feather Shield contains the voltage regulator AMS1117-3.3. On the bottom-side there is a jumper defining the 3V3 source on the mikroBUS (from the installed to Adafruit Feather module or from AMS1117-3.3). By default - from the installed module.

Optionally, a BME280 is installed on the bottom-side of the module (7-bit address on I2C = 111011x). The address for BME280 is selected with jumpers on the bottom-side. The default address should be 1110111.

The Adafruit Feather Shield module size 50.8 x 29.21 mm.

The main areas of application of the module:

• Industry and transport
• Ecology monitoring
• Data acquisition systems (DAS) and PLC
• Smart home
• Heating, Ventilation, & Air Conditioning (HVAC)
• Motor control
• Consumer electronics
• Measuring and medical devices

With Adafruit Feather Shield, it is easy to use Feather compatible modules to control the following Pro Series I / O modules:

• I2C 4AI ADS1x15 Pro
• I2C 2RO+2AI Pro
• I2C 2RO+2DI Pro

You can also learn more about the I2C 2RO + 2DI Pro module on the IoThings Digital page at Crowd Supply.

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