Stir Plate
By David Trumbell
Feeling motivated after reading about DIY stir plates on a few brew forums, I decided to give it a go. This is a list of parts that I used:
- Rheostat - 3 watt, 25-Ohm
- RadioShack part #271-265, $3.99
- Flip Switch - most will work
- RadioShack part #275-711, $2.99
- Control Knob - most will work
- RadioShack part #274-407, $1.99
- Project Enclosure - 8x6x3”
- RadioShack part #270-1809, $6.99
- 120mm Case Fan - a smaller fan might fit better
- RadioShack part #28-1108, $9.99
- 2 - 1/2” x 1/8” Rare Earth Magnets
- 15 pack on Amazon, $8.99
- Large Washer
- from Home Depot, $.29
- #6 2” Machine Screws & Washers & Spacers
- from ACE Hardware, about $2
- Cell Phone Charger
- from a retired Samsung cell phone
- Stir Bar - octagonal bar with pivot ring
- from Ebay, $4
Pictures
Rheostat (271-265)
Flip Switch (275-711)
Control Knob (274-407)
Power Supply (275-711)
Wiring #1
Wiring #2
Fan & Magnets
Attached Fan
Attached Fan (side)
Finished Product
Action Shot
Propagating Yeast