▲ 2 r/Fixxit+1 crossposts

Engine losing power while practising

Hey all,

I am teaching someone the basics of riding on a 1999 Yamaha tdm 850. (2 cilinders with carburetors, watercooled with working fan)

So riding the clutch in a flat parking lot, only slow speeds (no throttle).

After some time, the idle drops a little (from 1050rpm nominal to around 900-950rpm) and the bike stalls when letting of the clutch. Not stalling when using the throttle. Anyone know a reason for this?

The fan works and kicks on, not a warm day (15°C), not on a hill, brakes are not dragging.

Is the engine overheating?

Thanks for the help!

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u/TheToxicAlien — 10 days ago
▲ 3 r/fiero

Owning in Europe

Looking to possible get a 1987 2.8V6 5-speed manual Fiero. It is a good idea to own and daily drive these in Europe? How is the availability for parts? Any other models that have better parts availability?

Thanks!

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u/TheToxicAlien — 2 months ago
▲ 1 r/esp32

Hi, I have a Waveshare ESP32-S3-Touch-LCD-5 display (https://docs.waveshare.com/ESP32-S3-Touch-LCD-5).
I'm having trouble connecting external inputs to the board (rotary encoder (with press function) and 4 push buttons).
I have tried using the terminal connections:
-SDA and SCL (GPIO 8 and 9): this works for the encoder but then touch doesnt work anymore
-CAN_L and CAN_H (GPIO 15 and 16): doesnt do anything
-485_B and 485_A (GPIO 43 and 44): gets an input from the encoder very sporadically but only 1 direction and very rarely

My question: which connections can I use for external inputs and how do I define these connection in Platformio?

Extra: I see a switch with CAN and RS-485 on the board (number 9 in image) but dont know what to do with it. There is a yellow film over top making me unable to change the position of either switch

Edit: I also have an extra ESP32 devkit that i can use for the inputs and maybe wire it to the display via some protocol?

https://preview.redd.it/u3rkf6q48izg1.png?width=658&format=png&auto=webp&s=85b127a679d971f9a8dc2a6587cc537126aab611

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u/TheToxicAlien — 5 months ago