A single-gang metal electrical box, handy box, was purchased to house the motor controls. These electrical enclosures were inexpensive and great for surface mounted applications where they aren’t seen. Motor leads will come through the bottom and held with a cable clamp. One side will have an On-Off toggle switch. The top will have the two-pole motor connector for power from the control console. Pilot holes and then 1/4” holes were drilled into the top and side.
A step drill bit was used to drill holes large enough for the connector and switch. Step drill bits were perfect for this kind of work when drilling is going through thin metal or plastic. Unfortunately, the force used to drill the holes put unwanted bends in the metal. Handy box sides were not meant for drilling.
The connector and switch were loosely mounted on the handy box. The switch was only rated for AC so switching during a high DC current load would damage the switch quickly. A label was printed to warn about switching while under load. This switch was mostly placed for convenience and safety while testing. The second gear board may not have it.
Downloads:
The rest of the posts for this project have been arranged by date.
First time here?
Completed projects from year 1.
Completed projects from year 2.
Completed projects from year 3.
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 24hourengineer@gmail.com 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 property or assets based on their post.
This blog, including pictures and text, is copyright to Brian McEvoy.
2016-11-21 (M)
Handy box with starter holes
A step drill bit was used to drill holes large enough for the connector and switch. Step drill bits were perfect for this kind of work when drilling is going through thin metal or plastic. Unfortunately, the force used to drill the holes put unwanted bends in the metal. Handy box sides were not meant for drilling.
Handy box with components installed
The connector and switch were loosely mounted on the handy box. The switch was only rated for AC so switching during a high DC current load would damage the switch quickly. A label was printed to warn about switching while under load. This switch was mostly placed for convenience and safety while testing. The second gear board may not have it.
Enclosure labeled and held near motor for mounting
Downloads:
- Gears
- Panel layout PDF or DWG
- S Symbol Plate OpenSCAD source or STL model
- Ultrasonic flush-mount source or STL
- Internal ring gear
- Spring hub includes source and STL for metric and imperial
- 1 Small Arduino Micro
- 2 Stereo potentiometers (10K)
- 4 Multi-turn potentiometers (10K)
- 2 Twelve volt DC motors
- 1 Dual H-bridge
- 2 Ultrasonic distance sensors
- 1 Sine wave generator or the Amazon version
- 1 Voltage Regulator
- 1 Twelve volt three amp power supply
The rest of the posts for this project have been arranged by date.
First time here?
Completed projects from year 1.
Completed projects from year 2.
Completed projects from year 3.
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 24hourengineer@gmail.com 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 property or assets based on their post.
This blog, including pictures and text, is copyright to Brian McEvoy.
2016-11-21 (M)
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