Polarity doesn't matter for a heater.
Most likely you have a voltage drop, somewhere. If you got a cheap SSR, then that's most likely the problem. If your controller can handle it, increase the...
Type: Posts; User: stephen6309
Polarity doesn't matter for a heater.
Most likely you have a voltage drop, somewhere. If you got a cheap SSR, then that's most likely the problem. If your controller can handle it, increase the...
Get the mini differential ir sensor. http://www.filastruder.com/collections/electronics/products/mini-differential-ir-height-sensor
It works great on my printer with a MIC-6 AL plate for the bed...