In addition to an external limit switch, knobby implements a virtual bounding box outside of which the objective will not move. This additional safety feature is turned on by clicking the travel limit checkbox in knobby’s panel (highlighted in yellow below). The bounding box is centered on the location the objective was a the time…
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New Features in Scanbox 3.4
The latest release adds a few new features and fixes. A new panel called “Deadband & Alignment” offers the option to change some of the configuration variables on the fly. The deadband sliders allow to dynamically change the size of the left and right margins respectively, where the laser is blanked out. You can optionally…
Read MoreImportant enhancements in Scanbox 3.3 firmware
Good news! The latest Scanbox version in Github includes a few important improvements and fixes: The new firmware substantially decreases line jitter producing even shaper images. It removes the artifactual horizontal lines from the mean of bidirectional scanning acquisitions. It fixes a bug in the phase of the camera trigger signal. It checks for cases where no…
Read MoreUpdating the trinamic firmware
Some updates to Scanbox/Knobby require the update of the firmware in the Trinamic TMCM-6110 card inside the motor controller. To update the firmware do the following: Run the program yeti/drivers/TMCL.exe Select Setup->Options from the menu. In the connection tab, select the COM port that corresponds to the card (it is typically labeled “Stepper”), and Click Ok.…
Read MoreKnobby updates
The last release of Scanbox provides a mechanism to update the firmware in Knobby and provides a few fixes to the existing version. We will be using this mechanism to deploy future improvements. The present version fixes a bug that incorrectly moved the objective to its original position when the X, Y, or Z axes…
Read MoreLarger field of view and finer control of pixel size
There have been requests for Scanbox to accommodate a larger field of view and the ability to precisely calibrate the aspect ratio and size of pixels. The latest version (along with modifications in the firmware) allow you to do just this. [This paragraph about the diodes is only relevant to older boards] A first step to maximize…
Read MoreNew features in latest Scanbox firmware
To take advantage of the new features in the latest release of the Yeti firmware you should start by getting rid of the half-wave plate control of the laser power. To do so start by removing the motor and half-wave plate from the optical path feeding the laser beam directly into the Pockels cell as…
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