Width of controller
Height of controller
Drawing a neat perpendicular line
Width of controller transposed to paper
Height of controller transposed to paper
3/8" inch drill bit compared to 5/16"
Aligning bit with edge of cut line
Using the drill bit to make a divot
Four divots, one for each edge
Four 3/8" holes
A handheld jigsaw was raised up with small wooden slabs so the edge of the lid would not interfere with cutting. The cut-away region for the controller was removed and finely shaped with the jigsaw. The same techniques were used to remove the cut-away region of the receptacle but less attention was given to shaping the hole. Both devices fit their respective holes and imperfections in the hole shapes we're covered by their faceplate or cover. The cutting was done from the inside of the enclosure lid to keep the cover from getting scratched during work.
Cutting with a saw raised by slab of wood
Removed cut-away region
Not the best hole ever cut out
Cut-away region for receptacle
Receptacle checking clearances
Holes were marked for the #8 mounting bolts of the duplex receptacle then drilled to 11/64 inches. #8 brass nuts were borrowed from the ESPer.Impass project.
Drilled to 11/64"
The protective rear cover of the controller was removed to access the terminals. The included directions were consulted to determine the pinout which is lovely in, presumably, Chinese. A translation written on part of a sticky note was plied to the controller to avoid confusion. It may be noted that the thermometer (NTC) is not polarity sensitive.
Controller and directions
Translation of pins
- Common wire, white, was hooked to
- Terminal 4 on controller
- Silver bolt on receptacle
- Line wire, black, was hooked to
- Terminal 3 on controller
- Terminal 2 on controller
- One brass bolt on receptacle
- Ground wire, green was hooked to
- The grounding lug on receptacle
- Terminal 1 on controller was hooked to the other brass bolt of the receptacle
Ground and common wired up
Power wired up
The wired device was plugged in and tested. The display flashed "LLL" which presumably means the controller recognizes the temperature probe is not plugged in.
Display showing LLL
- Wire 3.5mm plug and 3.5mm jack
- Draft controller template for cut-out
- Sketch circuit
- Mount thermometer in whisk
Journal page 1
Journal page 2
Journal page 3
Journal Page 4
The rest of the posts for this project have been arranged by date.
A list showing of all the final posts of COMPLETED projects.
Disclaimer for http://24hourengineer.blogspot.com/
This disclaimer must be intact and whole. This disclaimer must be included if a project is distributed.
All information in this blog, or linked by this blog, are not to be taken as advice or solicitation. Anyone attempting to replicate, in whole or in part, is responsible for the outcome and procedure. Any loss of functionality, money, property or similar, is the responsibility of those involved in the replication.
All digital communication regarding the email address firstname.lastname@example.org becomes the intellectual property of Brian McEvoy. Any information contained within these messages may be distributed or retained at the discretion of Brian McEvoy. Any email sent to this address, or any email account owned by Brian McEvoy, cannot be used to claim property or assets.
Comments to the blog may be utilized or erased at the discretion of the owner. No one posting may claim claim property or assets based on their post.
This blog, including pictures and text, is copyright to Brian McEvoy.