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Update README.md
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- download PCB Gerber file {-link here-} or get your own copy {-link there-} ,
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- order electronic components, see BOM (Bill Of Materials) appendix,
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- solder electronic components. {- assembly instructions here-}<br><br>.
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{-soldered photo here-}
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<img src="./m_c_assembly_completed.jpg" width="500"><br><br>
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## Firmware upload
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This process is the same as for other Arduinos:
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- connect 12V power supply,
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- disconnect +5V wire from USB-UART converter.<br>
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To check EEV connection, you can use a stepper motor. If you are testing a real EEV, it will be closed after the first "beep" and partially opened after the second "beep". If it's not, check if stepper or EEV center pin(s) connected to +12V and try to swap coil-end pins (EEV1..EEV4). {-EEV photo here-}
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To check EEV connection, you can use a stepper motor. If you are testing a real EEV, it will be closed after the first "beep" and partially opened after the second "beep". If it's not, check if stepper or EEV center pin(s) connected to +12V and try to swap coil-end pins (EEV1..EEV4).<br>
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<img src="./m_c_selftest_EEV.jpg" width="500"><br>
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To check temperature sensors connectors crimp one array of sensors. Plug it to all sensor connectors one-by-one and check results in a serial console.<br>
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{-Photo: PCB-}<br>
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{-Screenshot: serial console with temperature readings: -}<br>
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<img src="./m_c_selftest_t_sensors.jpg" width="500"><br>
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<img src="./m_c_selftest_t_readings.png"<br>
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After tests completed, comment 3 self-test defines.<br>
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Choose your installation scheme and uncomment one of those options:
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```c
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