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01/24/2021 12:53 AM
Facebook Login is fixed. woohoo

01/12/2021 6:15 PM
@Nomad As a general rule Roasting should not exceed 20 min to second crack What you are describing is baking

12/31/2020 2:39 PM
I trying another 2 cups at 200 for 45 min

12/31/2020 2:38 PM
I have a questions.. im trying to experiment with riasting.. i roasted 3 cup of nicaraguan at 200 degrees for 1 hr and 30 min.. is that to long?

12/17/2020 11:16 AM
Snow again in NC.

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RobotDyn Transistor DC Relay Module
greencardigan
Has anyone tried using these modules from RobotDyn? I've had a few enquiries lately about controlling DC motors with a TC4 and PWM output and was planning to try these as a cheap/easy option.

https://robotdyn.com/transistor-mosfe...v-30a.html

Apparently it uses a IRF540N MOSFET which is the same as the TC4+.
renatoa
Great find !
You can repurpose the small heatsink from the dimmer Grin assuming your fan motor is in the 5 Amps ballpark.

For small motors like the popper fan I am using the HW-687 board, similar control scheme, with the benefit of embedded PWM generator, thus allowing use as standalone, no need to be tethered to any computer/board.
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