# Mirco:bit OLED problem

**URL:** <https://forum.makecode.com/t/mirco-bit-oled-problem/34873>\
**Category:** micro:bit\
**Created:** [March 25, 2025, 6:21am UTC](https://forum.makecode.com/t/mirco-bit-oled-problem/34873 "2025-03-25T06:21:27Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![CCY](https://avatars.discourse-cdn.com/v4/letter/c/3be4f8/32.png) [@CCY](https://forum.makecode.com/u/CCY)\
**Post date:** [March 25, 2025, 6:21am UTC](https://forum.makecode.com/t/mirco-bit-oled-problem/34873/1 "2025-03-25T06:21:27Z")

</div>

Hi everyone  
I want to use mircobit to show “ABCED” in OLED  
and the screen is flickering under ABCDE

 ![IMG_1944](https://us1.discourse-cdn.com/flex020/uploads/makecode/original/3X/e/d/ed56ece36952e91678689f7408ba0bd48a16c3fb.jpeg)  
 ![block](https://us1.discourse-cdn.com/flex020/uploads/makecode/original/3X/c/d/cdc8ac48104275d5ff550e70423f68b60f014729.png)

is anyone have ideas what’s the problem?  
Many Thanks!!

---

<div class="post-metadata">

**Author:** ![Don](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/don/32/17989_2.png) [@Don](https://forum.makecode.com/u/Don)\
**Post date:** [April 22, 2025, 6:26pm UTC](https://forum.makecode.com/t/mirco-bit-oled-problem/34873/2 "2025-04-22T18:26:54Z")

</div>

That address for the OLED, is it 60 hex or 60 decimal? And does that init block take hex or decimal?