2021-05-26, 10:08 PM
WindDir.txt (Size: 1.92 KB / Downloads: 227)
Hi,
now my old Navman Wind 3100 died complete also the display was gone a long time but I could still use NMEA output.
Solutions I was thinking about:
1. DAVIS Sensor disadvantage mechanical poti
2. different sensors from aliexpress output 0 - 5 V with unknown interior
3. using old Navman sensor with broken bearings ???
4. last but not least my final and cheapest solution.
I found this 0 - 5 V output hall sensor
https://www.aliexpress.com/snapshot/0.ht...0143910873
It fits nicely into the top cap fixed with glue
The vane has hole of 3 mm and had to be drilled 6 mm with epoxy reinforcement
Big advantage that I could reuse existing mast cable and socket.
Most time wind direction is used for pypilot if going upwind, wind speed is not implemented as I never used it.
Transformation from sensor to OP and NMEA is done by arduino nano
for the beginning with very simple code but working well, perhaps someone can improve my ugly code.
I think also broken windsensors from other manufacturers can be recycled this way without use of a 3d printer for the parts.
Kalle