Brooke Martin
Candle is a free, basic CNC machine control software that uses GRBL source code and can be run using Arduino hardware. It is perfect for beginners as it only has essential functions, reducing the 'information overload' that can occur with CNC machining. It can be used offline, with the software being downloaded and installed on Windows 8 or later. However, there have been some issues reported with the software, including problems with remembering last-used offsets and the restore origin command not functioning.
| Characteristics | Values |
|---|---|
| Cost | Free |
| Type of Software | CNC Machine Control Software |
| Complexity | Basic |
| Intended Use | Hobby Use |
| Compatibility | CNC Machines with Arduino Controller and no more than 3 axes (X, Y, and Z) |
| Installation | Available for Windows 8 or later |
| GitHub Activity | Dormant for a couple of years |
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What You'll Learn
- Candle is a free, basic CNC machine control software
- It is compatible with GRBL-based CNC machines with limit switches
- It is available for Windows 8 or later
- It can be used to control CNC machines with an Arduino controller and no more than 3 axes
- It is a good choice for beginners due to its simplicity and ease of use
Candle is a free, basic CNC machine control software
Candle is a GRBL controller application with a G-code visualizer written in Qt. It uses GRBL source code and can be run using Arduino hardware. This means that any CNC machine with an Arduino controller and no more than three axes (X, Y, and Z) can use Candle software for control. Candle can be downloaded for free and is a popular choice for CNC control software due to its simplicity and ease of use.
To install Candle, users can follow a few simple steps. First, the Windows Serial port driver, labelled CH341SER, must be installed. Then, the driver software (CH340SER.exe) can be installed. Once the driver is installed successfully, the computer should recognize the Candle software. If not, users may need to reinstall or contact customer service for a new driver. Next, the Candle software can be opened (grblcontrol.exe). Choosing the correct port is crucial for successful installation. Finally, users can check if the software has been installed successfully and perform a basic machine test.
Candle has several features that make it a useful tool for CNC machine control. It incorporates a G-code visualizer and essential functions for running G-Code programs. It also includes a Home button that allows users to set a predefined home position for their machine. Additionally, Candle offers a Safe Position feature, which can be used as an alternative home position for machines without limit or home switches. The Reset button acts as an emergency stop, halting all spindle and axis movements. Candle also includes a Z-probe feature, allowing users to set the top of their part as the Z datum.
Overall, Candle is a straightforward and intuitive CNC machine control software ideal for beginners. While it may have some limitations in terms of features, it is a popular choice for hobbyists and those new to CNC machining due to its simplicity and ease of use.
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It is compatible with GRBL-based CNC machines with limit switches
Candle is free, basic CNC machine control software that is compatible with GRBL-based CNC machines with limit switches. GRBL is a popular open-source CNC controller software that is widely used among hobbyists and DIYers. It is designed to be used with Arduino boards, providing an easy-to-use interface for controlling CNC machines.
Candle uses the GRBL source code and can be run using Arduino hardware. It is intended for hobby use and is commonly used on DIY CNC home conversions and small consumer-grade CNC routers and mills. It incorporates a G-code visualizer and only includes the essential functions needed to run G-Code programs, making it a good choice for beginners.
Limit switches are important components in CNC machines as they help prevent accidents and ensure precise movements. They detect the physical limits of a machine's movement, sending a signal to the controller to stop the machine's movement and prevent it from exceeding its designated limits. This is crucial for preventing damage to the machine, workpiece, or potential injury to the operator.
GRBL supports at least one limit switch per axis, and most GRBL controllers support two limit switches per axis (up to six total limit switches). There are two commonly used types of limit switches in CNC machines: normally open (NO) and normally closed (NC). The choice of switch type depends on the GRBL configuration and the desired behavior when the switch is triggered.
When using Candle with a GRBL-based CNC machine with limit switches, it is important to establish a home position and properly calibrate the limits. The "Home Button" in Candle can be used to home the machine to a predefined point if it is equipped with limit switches. The Alarm" status is also normal when starting up Candle with a GRBL-based CNC, indicating that a Homing Cycle needs to be run for the CNC to become responsive.
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It is available for Windows 8 or later
Yes, GRBL Candle software can be downloaded on Windows 8 or later. It is a basic CNC machine control software that is perfect for beginners. It is free to use and incorporates a G-code visualiser, allowing users to run their G-Code programs.
To install Candle on Windows 8 or later, users must first install the Windows Serial port driver, labelled CH341SER. If using Google Chrome, there may be issues with the download links. In this case, right-click the download link, select "Save Link As", and choose where to save the file. Once the file has been downloaded, unzip it and place the folder containing Candle in the desired location on the C: drive. It is not recommended to run Candle from a USB or removable drive as this may cause errors.
After placing the folder in the desired location, users can create a shortcut to Candle.exe on their desktop. No further installation is required. However, before starting Candle, it is important to disconnect any offline controllers as the CNC can only connect to one controller at a time.
With Candle loaded, users can check the status in their device window to understand if they have an active connection. Most often, "Not Connected" will be the initial status, indicating that Candle could not automatically find the router, and it must be manually configured. To do this, select Service/Settings from the top menu and check the Baud Rate, which varies depending on the CNC model.
GRBL Candle software is a popular choice for controlling CNC machines and is provided by companies such as SainSmart on the CD that comes with their machines.
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It can be used to control CNC machines with an Arduino controller and no more than 3 axes
Candle is a free, open-source CNC machine control software that can be used to control CNC machines with an Arduino controller and no more than 3 axes (X, Y, and Z). It is perfect for beginners as it has a simple interface and only includes the essential functions needed to run G-Code programs, reducing the risk of "information overload".
Candle is compatible with both Windows and Linux systems and can be downloaded from its GitHub page. It is often delivered with 3018-style CNC engravers, which use Arduino clone hardware.
To use Candle, you must first establish a home position for each axis travel. The 'Home Button' will home your machine to a predefined point if it is equipped with limit/home switches. If your machine does not have these switches, you can use the 'Safe Position' function instead, which will move your machine axes as specified in the settings.
The Arduino control board can also connect a probe. If connected and set up correctly, pressing the 'Z-probe' button will set the top of your part as your Z datum.
Overall, Candle is a straightforward and intuitive software for controlling CNC machines with Arduino controllers and up to 3 axes.
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It is a good choice for beginners due to its simplicity and ease of use
GRBL Candle is a good choice for beginners due to its simplicity and ease of use. It is free, open-source CNC machine control software for controllers running on GRBL firmware. The software has a user-friendly interface with essential functions to run G-code programs, making it suitable for beginners in CNC machining. Its uncomplicated nature helps to reduce 'information overload' for those new to CNC machining.
GRBL Candle is compatible with CNC machines that have an Arduino controller and no more than 3 axes (X, Y, and Z). It is commonly used for hobbyist and DIY applications, such as small consumer-grade CNC routers, mills, and home conversions. The software is also bundled with some CNC machines, such as the 3018 CNC engraver. This makes it a convenient choice for beginners who are just starting out with CNC machines.
One of the key advantages of GRBL Candle is its ease of use. It incorporates a G-code visualiser, allowing users to import, view, and edit standard G-code. The visualiser provides a toolpath that can be rotated and zoomed in on for verification. Additionally, GRBL Candle enables users to define the cutting head's work coordinates (offset position) and machine coordinates (home position). This makes it easier for beginners to set up and navigate their CNC machines accurately.
The software also offers manual control over the spindle speed and the ability to adjust the rapid speed and feed rate using the override feature. These features provide beginners with a basic understanding of CNC machine control without overwhelming them with excessive options. GRBL Candle also has a large user community, providing support and resources for newcomers to CNC machining.
While GRBL Candle is ideal for beginners, it's worth noting that some users may eventually seek more advanced software with additional features. For instance, GRBL Candle has a limited number of functions, which can be restrictive for more complex projects. However, as a starting point for beginners, GRBL Candle offers a user-friendly and straightforward experience.
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Frequently asked questions
GRBL Candle is a free, basic CNC machine control software that is perfect for beginners. It is uncomplicated and has only the essential functions needed for running G-Code programs.
To install GRBL Candle, you must first install the Windows Serial port driver, labelled CH341SER. Then, you can use the shortcut from your desktop to start up GRBL Candle.
The "Alarm" status is the default status for GRBL-based CNCs with limit switches. It means that until a Homing Cycle has been run, the CNC will remain unresponsive as a safety measure.
To home your CNC machine, press the button with a house inside a magnifying glass. This will start the Homing Cycle, during which the CNC will use its limit switches to find its "Home" location.
The "Safe Position" is used to move your machine axes as specified in the settings dialog box under safe position commands. It can be used as your home position button if your machine does not have home/limit switches.
