What did you do today, that was Model A related ?

[TomInCologne]

in this case, more precisely, as the purists will say: "what have you done to your Model A today..."


I am unhappy with the tail and brake lights in my 160A, so i bought these extra-third-LED-brakelights to put into your rear window. But these are not made for european regulations, meaning the can be used as a brakelight including an indicator (right and left LEDs seperated). This is not what i wanted, i wanted the european version, dim when used as a taillight and bright when braking.


So, i connected two of my hobbies, the Model A and microprocessor programming.


I made a little pcb with a voltage regulator, an ATTiny85 microprocessor, some optocoupler and a transistor to drive the LEDs. All goes into a 3d-printed case and will live behind the back seatrest. When the lights are on, the LEDs will go into dim (PWM 50%), when the brakes are on, the LED will be on full (PWM 100%).


Not for the faint hearted, i know...


P.S. Brakelighter https://www.snydersantiqueauto.com/p...d=976548&cat=0