30 lines
909 B
Markdown
30 lines
909 B
Markdown
# MicroPython ATE Shield
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## Why
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This board is created trying to solve the following problem in MicroPython project:
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> What if the code compiles, but does not work as intended?
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So an idea came up by @robert-hh, that we can make these testes automated with a "shield" (See [here](https://github.com/micropython/micropython/pull/11516))
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Some peripherals *CAN* be verified by connecting to itself, such as UART and GPIO, while others can't be easily verified without some on-board devices like sensors or EEPROMs. So instead of mounting all sensors on a board, a cheap MCU is used to *act like* some peripherals, which can produce controllable and repeatable results to DUT.
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This board can be used to verify the following peripheral drivers:
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* ADC
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* UART
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* SPI
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* I2C
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* PWM
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* GPIO
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## LPC804
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Why LPC804?
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* Cheap enough
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* Fully 5V IO tolarent
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* Has an DAC(!)
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* Switch Matrix
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