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PID for bed works, +-0.5'C. Good enough. Someone asked before.
This is my settings for sandwich: 3mm cork+MK2b+2mm glass :
heater_pin: ar8
sensor_type: EPCOS 100K B57560G104F
sensor_pin: analog14
control: pid
pid_Kp: 53.40
pid_Ki: 0.56
pid_Kd: 1271.58
min_temp: 0
max_temp: 120
and command to find result of M303 E-1 S60 C8 (PID tuning for bed)
cat /tmp/klippy.log |grep Autotune
by
rafalvonkrakow
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Firmware - experimental, borrowed, and future
I cut thin black cable and it solved problem. Definitively voltage is not as stable like previously. between 12,2 to 11,6 at maximum load. Previously 11.9 with heating bed and without.
Thin black and yellow is kind of voltage regulation. I know, it's not answer "why?" but enough for this moment.
Maybe sth with reverse current. Maybe it would be better to use this regulation. Doesn't matter.
by
rafalvonkrakow
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Controllers
I have xbox power supply 203W, 240V . Arduino+ramps 1.4, MK2b heated.
All yellow wires connected together (thick and thin one), same blacks, switch on red 5V and blue. Additionally I connected small 10W, 12V halogen bulb to 5V red and one black wires. (as described for ATX power supply)
Everything work great as long as this bulb is connected. If not it works till first MOSFET switch off, when PID
by
rafalvonkrakow
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Controllers
