# \#bl2100
**URL:** https://forums.digi.com/tag/bl2100/763.md
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## [Does anyone know where I may find some old BL2100 boards?](https://forums.digi.com/t/does-anyone-know-where-i-may-find-some-old-bl2100-boards/22833)
**Author:** [@stanleyhsu](https://forums.digi.com/u/stanleyhsu)\
**Replies:** 3\
**Last updated:** [December 6, 2021, 5:10pm UTC](https://forums.digi.com/t/does-anyone-know-where-i-may-find-some-old-bl2100-boards/22833 "2021-12-06T17:10:05Z")
Just wondering if there is anyone or is there any web site that may sell old BL2100 (512k/512k) boards?
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## [how can i download dynamic c 9.62 for my BL 2100 board?](https://forums.digi.com/t/how-can-i-download-dynamic-c-9-62-for-my-bl-2100-board/16710)
**Author:** [@vinhnguyen1985](https://forums.digi.com/u/vinhnguyen1985)\
**Replies:** 4\
**Last updated:** [April 29, 2019, 3:54pm UTC](https://forums.digi.com/t/how-can-i-download-dynamic-c-9-62-for-my-bl-2100-board/16710 "2019-04-29T15:54:18Z")
i have a BL2100 board , so i would like to upload,
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## [How to I configure the BL2100 to change IN16-IN23 to sinking outputs.](https://forums.digi.com/t/how-to-i-configure-the-bl2100-to-change-in16-in23-to-sinking-outputs/17042)
**Author:** [@KD6BZN](https://forums.digi.com/u/KD6BZN)\
**Replies:** 0\
**Last updated:** [July 7, 2016, 12:49am UTC](https://forums.digi.com/t/how-to-i-configure-the-bl2100-to-change-in16-in23-to-sinking-outputs/17042 "2016-07-07T00:49:41Z")
I changed JP2 from 1-2 to 2-3, and noticed a small voltage change when commanding the port to sink, but only ~0.1 to 1 volt change. So, I removed the “Pull up” jumper so it shouldn’t be pulled to Vcc, +K2, or to ground.…
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## [Constant offset(26mV) in BL2100 DAC output](https://forums.digi.com/t/constant-offset-26mv-in-bl2100-dac-output/15183)
**Author:** [@dkulkar](https://forums.digi.com/u/dkulkar)\
**Replies:** 3\
**Last updated:** [July 29, 2015, 9:48am UTC](https://forums.digi.com/t/constant-offset-26mv-in-bl2100-dac-output/15183 "2015-07-29T09:48:38Z")
Hi, We are using the Rabbit BL2100 SBC and have found the BL2100 to be very apt to our needs and everything has worked well except one snag - there is an offset of ~30mV on the DAC output that does not disappear. Using…
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## [BL2100 & .Net](https://forums.digi.com/t/bl2100-net/13947)
**Author:** [@nbrege](https://forums.digi.com/u/nbrege)\
**Replies:** 4\
**Last updated:** [November 18, 2014, 4:28pm UTC](https://forums.digi.com/t/bl2100-net/13947 "2014-11-18T16:28:30Z")
Please excuse me if this question is posted in the wrong category, this is my first post here. I am looking to control an array of relays directly from .Net code. Can the BL2100 series boards accomodate this easily or …
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## [BL2100: POP3 problems](https://forums.digi.com/t/bl2100-pop3-problems/13519)
**Author:** [@nwillems](https://forums.digi.com/u/nwillems)\
**Replies:** 5\
**Last updated:** [August 31, 2014, 11:09pm UTC](https://forums.digi.com/t/bl2100-pop3-problems/13519 "2014-08-31T23:09:43Z")
Hello, when executing the pop3 sampleprogram parse\_extra.c in order to having the SBC receive mails and delete them from the POP3 mailserver, it seems that often mails are missing. More detailed explanation: please see…
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## [I damaged an output of BL2100 SBC board](https://forums.digi.com/t/i-damaged-an-output-of-bl2100-sbc-board/11910)
**Author:** [@nwillems](https://forums.digi.com/u/nwillems)\
**Replies:** 1\
**Last updated:** [September 12, 2013, 12:30am UTC](https://forums.digi.com/t/i-damaged-an-output-of-bl2100-sbc-board/11910 "2013-09-12T00:30:22Z")
Hello, During testing software on a smartcat BL2110 rabbit SBC, I was so smart to put (indirectly) 12V on an output which was off. The output was configured as “sourcing”. It is still possible to put the output on, bu…