FEDforum

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Welcome to the Feeding Experimentation Device (FED3) forum! Guide for posting:

1) Only post one issue or question per thread. If you have multiple questions please start multiple threads.

2) Try to provide enough information/code for others to replicate your issue or question.

31) If possible, please reply to an existing thread on a topic vs. starting a new thread.

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Kay Juen, Lex3

Sep 25

Another question for FR1 reversal or Prob reversal task

Hi Lex, I just wated to give you a feedback on this topic. The code runs fine. I set the number of

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Another question for FR1 reversal or Prob reversal task

Hi Lex, I just wated to give you a feedback on this topic. The code runs fine. I set the number of

Sep 25

nicholas...@gmail.com, Lex3

Sep 21

nosepoke inactive during session

Hi Nick! It seems like you've diagnosed this correctly, the pellet sensor is telling FED3 that

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nosepoke inactive during session

Hi Nick! It seems like you've diagnosed this correctly, the pellet sensor is telling FED3 that

Sep 21

Lex

Sep 20

Custom coding help available

Hi FEDers! It's been 5 years since the design for FED3 was first put online and there are now

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Custom coding help available

Hi FEDers! It's been 5 years since the design for FED3 was first put online and there are now

Sep 20

Andrew Hardaway, Lex Kravitz3

Sep 16

Pulsegenerator function in standby?

Great! We will try that. Amazing response time too! Happy saturday all. On Saturday, September 16,

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Pulsegenerator function in standby?

Great! We will try that. Amazing response time too! Happy saturday all. On Saturday, September 16,

Sep 16

Elijah Tramm, Lex2

Sep 15

Logging custom variable values

Hi Elijah, This issue is more complex than it might seem. I suggest reading about scope. Your "

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Logging custom variable values

Hi Elijah, This issue is more complex than it might seem. I suggest reading about scope. Your "

Sep 15

Lex

Sep 13

New nosepiece that enables the pellet to drop through

I've had a few people ask about using FED3 without a nosepiece, where FED3 would spit the pellet

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New nosepiece that enables the pellet to drop through

I've had a few people ask about using FED3 without a nosepiece, where FED3 would spit the pellet

Sep 13

Lex Kravitz, … Vander LeKites10

Sep 1

Time restrictions for an FR1 task

Hi Vander, For a strategy to accomplish this, in your void loop() you can call fed3.currentHour % 2

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Timing

Time restrictions for an FR1 task

Hi Vander, For a strategy to accomplish this, in your void loop() you can call fed3.currentHour % 2

Sep 1

Vander LeKites, Lex3

Aug 30

Trouble opening files from the micro SD card - file path error

Thank you for the quick response Lex, I haven't had issues since and it was only on one device,

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Trouble opening files from the micro SD card - file path error

Thank you for the quick response Lex, I haven't had issues since and it was only on one device,

Aug 30

FEDforum, … Koen van Wijk8

Aug 29

Where do you order the pellets?

Hey Fedders, I thought I'd ask here because this is the closest I saw anyone discussing chowder

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Where do you order the pellets?

Hey Fedders, I thought I'd ask here because this is the closest I saw anyone discussing chowder

Aug 29

Kay Juen, Lex3

Aug 21

Changes in FR1 reversal or Prob Reversal Tasks

Hi, thank you so much. I will test the new settings this week and will let you know if it is working!

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Changes in FR1 reversal or Prob Reversal Tasks

Hi, thank you so much. I will test the new settings this week and will let you know if it is working!

Aug 21

Koen van Wijk, Lex2

Aug 19

FED2 design electronic scheme & 3D print files

Hi Koen, FED1, FED2, and FED3 all have different electronics and 3D parts - with each update I

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FED2 design electronic scheme & 3D print files

Hi Koen, FED1, FED2, and FED3 all have different electronics and 3D parts - with each update I

Aug 19

Caleb Darden, … Samuel Congdon4

Aug 17

Synchronizing sessions across multiple FEDS

Hi Sam, After some thought, I'm planning on daisy-chaining some BNC T-splitters that essentially

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Synchronizing sessions across multiple FEDS

Hi Sam, After some thought, I'm planning on daisy-chaining some BNC T-splitters that essentially

Aug 17

Caleb Darden, Lex2

Aug 9

Detecting whether the nose poke is active

Hi Caleb! If you check out the FED3 example "FixedRatio1_MinPokeTime" (under Beta_Programs,

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Detecting whether the nose poke is active

Hi Caleb! If you check out the FED3 example "FixedRatio1_MinPokeTime" (under Beta_Programs,

Aug 9

Hamid Taghipourbibalan, Lex2

Aug 9

Poke_during_dispense/ motor_stops

Hi Hamid! Whenever a poke is triggered (even during dispense) the FED3 will wait for the poke to

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Poke_during_dispense/ motor_stops

Hi Hamid! Whenever a poke is triggered (even during dispense) the FED3 will wait for the poke to

Aug 9

Eric Zorrilla, Lex Kravitz3

Aug 7

Problem using FED3 library 1.16.3 for free feeding: Device got frozen within 3 hours

Hi all, I've tested with one user and received positive feedback that we've found the source

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Problem using FED3 library 1.16.3 for free feeding: Device got frozen within 3 hours

Hi all, I've tested with one user and received positive feedback that we've found the source

Aug 7

Matias Andina, Lex2

Aug 3

Reconverting from BNC to headphone Jack

Hi Matias! Electrically, the conversion between the models is straightforward as both the BNC and the

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Reconverting from BNC to headphone Jack

Hi Matias! Electrically, the conversion between the models is straightforward as both the BNC and the

Aug 3

Olivia Wood, Tom Earnest3

Aug 1

Meal Size Pattern Analysis

Hey Tom, This is super helpful and a really easy solution - thanks so much for the tip! I will let

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Meal Size Pattern Analysis

Hey Tom, This is super helpful and a really easy solution - thanks so much for the tip! I will let

Aug 1

Lex

Jul 27

Re: Left Poke log counting up uncontrollably

Hi Megan, I took a quick look and I see a small issue. In "Left_Motivated_Behavior_Final.ino

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Re: Left Poke log counting up uncontrollably

Hi Megan, I took a quick look and I see a small issue. In "Left_Motivated_Behavior_Final.ino

Jul 27

David Corcoran, Lex2

Jul 25

Easier printing

Hi! Cool to see your modifications - keep us posted on how they work out! The chute is tricky - I

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Easier printing

Hi! Cool to see your modifications - keep us posted on how they work out! The chute is tricky - I

Jul 25

David Corcoran, … Lex6

Jul 25

SolidWorks files

That's a nice feature. It seems to import the tinkercad designs into Fusion360 as proper solids

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SolidWorks files

That's a nice feature. It seems to import the tinkercad designs into Fusion360 as proper solids

Jul 25

Radhashree Sharma (Shree), Lex2

Jul 25

delaying the sound+light and pellet delivery

Hi Shree, Yes you can! You will have to flash custom code onto the FED3 to do this. If you haven'

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delaying the sound+light and pellet delivery

Hi Shree, Yes you can! You will have to flash custom code onto the FED3 to do this. If you haven'

Jul 25

Lydia Bailey, … James McCutcheon11

Jul 25

IV Self-administration

Yep, you have quite a lot of options in how you drive them - we use TTLs to run them at a specific

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Mods

Tasks

IV Self-administration

Yep, you have quite a lot of options in how you drive them - we use TTLs to run them at a specific

Jul 25

Aaron Roseberry, … Kristen Delevich6

Jul 21

Getting Inserts into Dispensing Disc

Hi all, I found this thread while troubleshooting this issue and wanted to follow up with tips that

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Getting Inserts into Dispensing Disc

Hi all, I found this thread while troubleshooting this issue and wanted to follow up with tips that

Jul 21

Samuel Daniels, Lex Kravitz2

Jul 21

Sequential tasks for food reward

Hi Sam, Unfortunately I can't help users code custom tasks - in my experience making custom tasks

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Sequential tasks for food reward

Hi Sam, Unfortunately I can't help users code custom tasks - in my experience making custom tasks

Jul 21

Lex Kravitz, Julia Pai2

Jul 20

Request for input! Help solve the FED3 freezing issue

Hi Lex, I'm not sure if this is the same issue, but we've been dealing with something

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Request for input! Help solve the FED3 freezing issue

Hi Lex, I'm not sure if this is the same issue, but we've been dealing with something

Jul 20

Megan McGraw, … Lex Kravitz5

Jul 18

FED wont enter boot loader mode

Thanks for the responses! I'll bring this up with OEPS to see if there's any quality control

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FED wont enter boot loader mode

Thanks for the responses! I'll bring this up with OEPS to see if there's any quality control

Jul 18

Marc Pisansky, Lex3

Jul 11

Simultaneous Left/Right Poke

This is EXACTLY what we needed. Thanks for your effort on this, Lex. We'll give it a shot and let

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Simultaneous Left/Right Poke

This is EXACTLY what we needed. Thanks for your effort on this, Lex. We'll give it a shot and let

Jul 11

Lupeng Wang, Lex8

Jul 11

Interval timing tasks

Thanks for finding this, and for the quick update! I'll fix this bug in the next library update.

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Interval timing tasks

Thanks for finding this, and for the quick update! I'll fix this bug in the next library update.

Jul 11

Eric Zorrilla, Lex4

Jul 7

Problem compiling fed3.cpp using Arduino 1.8.19

Thanks, Lex! We will update our SDFat to the SDFat - Adafruit Fork 2.2.1 as recommended! We also

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Problem compiling fed3.cpp using Arduino 1.8.19

Thanks, Lex! We will update our SDFat to the SDFat - Adafruit Fork 2.2.1 as recommended! We also

Jul 7

Elizabeth Brouns, … Samuel Walker4

Jul 7

Poke Registration and Pellet Dispensing

Hi Lex and Sam, Thanks so much for the advice! I already use fed3.disableSleep() in my setup loop on

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Poke Registration and Pellet Dispensing

Hi Lex and Sam, Thanks so much for the advice! I already use fed3.disableSleep() in my setup loop on

Jul 7