Filter Wheel

To control the stepper motors of the filter wheels, we used an Arduino board as a State device controller (AB3).

We use the Motor Shield Kit v1.1 from Adafruit Industries to control the filter selected and a home made circuit to detect the initial position when starting the plugin.

Schemes

Part list

Circuits

Adafruit Motor Shield Kit v1.1

Software

Arduino Firmware for Filter Wheels

For installation upload this file on the Arduino memory.

Micromanager Device Adaptor for Filter Wheels

  • For installation copy mmgr_dal_Arduino_FW. dll file on the Micromanager folder.

  • During hardware configuration load the device Arduino_FW.

  • Edit the filter default values on the text file:

Config_EX_file.txt

This file has to be on the mmplugins folder.

Part

Base

Post

Mounting

clamp

Filter

Wheel

Stepper

motor

Motor holder

Screw for filter wheel

Model

BA2/M

P200/M

C1501/M

FW1AB

9598642

Vendor

Thorlabs

Thorlabs

Thorlabs

Thorlabs

Astrosyn

(Farnell)

Custom

made

Custom

made

Picture

More information at:

Adafruit Motor Shield

Sensor for initialization (Homemade)

Config_EX_file.txt

//Excitation filters

Empty01

488/10

568/10

488/568

647/10

Empty02

//Emission filters

535/70

580/25

620/90

640/25

SP 700

700/75

//Channels default configuration (Separator ":")

//Name:Exc. filter:Emi. filter:Exp. time:Selected

GFP:488/10:580/25:100:true

RFP:568/10:620/90:100:true

DRAQ5:647/10:700/75:100:true

Other1:488/10:535/70:100:false

Other2:488/10:640/25:100:false

Other3:568/10:SP 700:100:false

Click on the image to enlarge

Click on the image to enlarge

Images