A 40 pin DIP base board for the ESP210 and other Node.IT controller boards.
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This workstation board adds both analog and digital IO to your system and makes your node.IT stack look like a 40pin microcontroller. The ESP210 module, and all other Node.IT stack controller modules, mounts on stacking connectors, on top to the left of the workstation board. This allows the Node.IT controller signals to pass through the stacking connector down to whatever it is that you are connecting the system to.
The rest of the pins on the Workstation40 board adds functionality to your system through the built in Cortex-M0 microcontroller and the I2C port expander. Communication with the new peripherals is done through a I2C serial interface.
The board is based on an Atmel SAMD10D Cortex-M0 microcontroller (U2) and a NXP PCA9554 I2C port expander (U3), both working in slave mode and connected to the same I2C bus towards the ESP210. The SAMD10D microcontroller features an I2C bootloader that allows the controller to be flashed with any custom firmware making it possible to use the Workstation40 board as a smart peripheral to the ESP210. By default the device is loaded with a firmware that makes the board look like a ADC/GPIO/Timer peripheral.
This module is shipped with the NodeIT stack headers not soldered to the module. You will need a reasonably good solder iron to solder these to the PCB.
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