spectraphilic / wsn_hardware

Hardware design for the WSN stations

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Lemming board v2.0 design #6

Open ArcticSnow opened 5 years ago

ArcticSnow commented 5 years ago

Discussion and notes about the Lemming v2.0 board

Main points:

incorporate i2c isolator, i2c multiplexer
add GPS terminal Qwiicc for Sparkfun board
add iridium screw terminals
add terminal for i2c multiplexer lines
5V output

johnhulth commented 5 years ago

Qwiic GPIO https://www.sparkfun.com/products/14716

I2C isolator https://www.maximintegrated.com/en/products/interface/isolation/MAX14937.html http://www.ti.com/product/ISO1541

I2C multiplexer https://www.adafruit.com/product/2717 https://www.sparkfun.com/products/14685 http://www.ti.com/product/TCA9548A# http://www.ti.com/product/TCA9548A-Q1