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Updated README.md after findings of 2018-03-02.

Hannes Thalheim 10 months ago
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@@ -16,11 +16,19 @@ The firmware for the ATtiny is written as an Arduino sketch using the
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 for generating pseudorandom numbers and transforms them to the needed
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 range using the gcc uniform_int_dist c++std implementation.
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-Flashing the firmware can be done using a usual Arduino programmed as an
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-ISP with the ArduinoISP example sketch included in the IDE. Then the Arduino
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-can be connected for example via its ICSP pins:
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+Flashing the firmware can be done using a usual Arduino (UNO in our case)
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+programmed as an ISP with the ArduinoISP example sketch included in the IDE.
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-![ICSP]
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+Then the Programmer (Arduino) should be connected to the Target like this:
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+
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+| **Programmer's pins** | **Target's pins** |
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+|:---------------------:|:-----------------:|
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+| 13                    | SCK               |
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+| 12                    | MISO              |
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+| 11                    | MOSI              |
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+| 10                    | RESET             |
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+| 5V                    | VCC               |
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+| GND                   | GND               |
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 The pins on our TinyFinger board are from left to right:
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 GND, MISO, VCC, SCK, MOSI, RESET.
@@ -32,4 +40,3 @@ Cura after exporting the model as an stl file.
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 [ATTinyCore]: https://github.com/SpenceKonde/ATTinyCore
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 [linear congruential generator]: https://en.wikipedia.org/wiki/Linear_congruential_generator
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-[ICSP]: https://www.arduino.cc/en/uploads/Tutorial/ICSPHeader.jpg "Arduino's ICSP pins"

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