Step 4: Assemble the Programmer
This is how it looks like when assembled (it looks slightly different from what you saw on the breadboard diagram, but electrically it is the same).
Please note that
* The RGB LED must be of common cathode type, not common anode, not 2-contact one. This is very important
* Input voltage is approx 3V (2xAA). PICAXE-08 specs recommend 4.5V, especially for programming it, but I found it works even from 2.8V (two rechargeable batteries) just fine and you can even program it with this voltage applied.
* RGB LED is not a part of the programmer, it's for our project only. You don't have to remove it while programming the microcontroller.
* DB9 connector is F-type (the one with holes, not pins)
Please note that
* The RGB LED must be of common cathode type, not common anode, not 2-contact one. This is very important
* Input voltage is approx 3V (2xAA). PICAXE-08 specs recommend 4.5V, especially for programming it, but I found it works even from 2.8V (two rechargeable batteries) just fine and you can even program it with this voltage applied.
* RGB LED is not a part of the programmer, it's for our project only. You don't have to remove it while programming the microcontroller.
* DB9 connector is F-type (the one with holes, not pins)
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