# How do you use the Lassen iQ datalogger to log analogue volt

**URL:** <https://community.sparkfun.com/t/how-do-you-use-the-lassen-iq-datalogger-to-log-analogue-volt/7417>\
**Category:** Development Boards\
**Created:** [May 24, 2008, 7:54am UTC](https://community.sparkfun.com/t/how-do-you-use-the-lassen-iq-datalogger-to-log-analogue-volt/7417 "2008-05-24T07:54:00Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![FWPSE9](https://avatars.discourse-cdn.com/v4/letter/f/e5b9ba/32.png) [@FWPSE9](https://community.sparkfun.com/u/FWPSE9)\
**Post date:** [May 24, 2008, 7:54am UTC](https://community.sparkfun.com/t/how-do-you-use-the-lassen-iq-datalogger-to-log-analogue-volt/7417/1 "2008-05-24T07:54:00Z")

</div>

Just learning to dabble in electronics - would like a low cost SD card voltage datalogger - Can the Lassen iQ be used for this - the info on the logger mentions ADC inputs. Do I need a serial ADC converter board? Would the lassen firmware need modifying ? Any help most welcome