...
used a Rev 3.0 PD assembled as rear
used one 12V nocuta fan
used an electronic load as a substitute for horn (set to 3 ohms)
anytime I refer to power_distribution firmware, it is under the pd_smoketest branch
two separate power supplies, one for PD and one for UV cutoff, both supplied with 13.5V
U2 IS NOT POPULATED FROM HERE ON OUT
Testing Fan and Horn
First I tested the horn with a power supply; I simply soldered two wires to both terminals (I’m pretty sure the horn is not polarized) and I set a power supply for 12V with a 5.0A limit.
...