# Odd analog readings (part 2)

**URL:** <https://community.particle.io/t/odd-analog-readings-part-2/2718>\
**Category:** Troubleshooting\
**Created:** [February 9, 2014, 6:24am UTC](https://community.particle.io/t/odd-analog-readings-part-2/2718 "2014-02-09T06:24:37Z")\
**Posts on this page:** 1\
**Showing post:** 34

<div class="post-metadata">

**Author:** ![satishgn](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/satishgn/32/20740_2.png) [@satishgn](https://community.particle.io/u/satishgn)\
**Post date:** [March 4, 2014, 1:13pm UTC](https://community.particle.io/t/odd-analog-readings-part-2/2718/34 "2014-03-04T13:13:28Z")

</div>

@bko, Provided a fix for the extra zero in the converted data by:  
1)Changing the DMA mode from “circular” to "normal"  
2)Enabling ADC2 external trigger conversion for each analogRead  
3)Reset the buffer and DMA counter before starting the ADC-DMA command

Commt : [https://github.com/spark/core-firmware/commit/b7ce24a4fb2dfe4f90e597e3a0f568f9ae098cfe](https://github.com/spark/core-firmware/commit/b7ce24a4fb2dfe4f90e597e3a0f568f9ae098cfe)

---

_[View the full topic](https://community.particle.io/t/odd-analog-readings-part-2/2718)._