# Can't make the Skywriter Hat working **URL:** \ **Category:** Support\ **Created:** [December 4, 2017, 2:06pm UTC](https://forums.pimoroni.com/t/cant-make-the-skywriter-hat-working/6529 "2017-12-04T14:06:36Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![remydcf](https://avatars.discourse-cdn.com/v4/letter/r/a8b319/32.png) [@remydcf](https://forums.pimoroni.com/u/remydcf)\ **Post date:** [December 4, 2017, 2:06pm UTC](https://forums.pimoroni.com/t/cant-make-the-skywriter-hat-working/6529/1 "2017-12-04T14:06:37Z")
Hello, I’m not able to make my Skywriter Hat working. When I do sudo python3 [test.py](http://test.py), I have this error: Traceback (most recent call last): File “[test.py](http://test.py)”, line 7, in @skywriter.move() File “/usr/local/lib/python3.5/dist-packages/skywriter-0.0.7-py3.5.egg/skywriter.py”, line 455, in move ’’' File “/usr/local/lib/python3.5/dist-packages/skywriter-0.0.7-py3.5.egg/skywriter.py”, line 526, in setup OSError: [Errno 5] Input/output error And sudo i2cdetect -y 1: 0 1 2 3 4 5 6 7 8 9 a b c d e f 00: – -- – -- – -- – -- – -- – -- – 10: – -- – -- – -- – -- – -- – -- – -- – -- 20: – -- – -- – -- – -- – -- – -- – -- – -- 30: – -- – -- – -- – -- – -- – -- – -- – -- 40: – -- – -- – -- – -- – -- – -- – -- – -- 50: – -- – -- – -- – -- – -- – -- – -- – -- 60: – -- – -- – -- – -- – -- – -- – -- – -- 70: – -- – -- – -- – -- I’m running on a Raspberry Pi 2 with a fresh install of Raspbian. Can you help me ? ---
**Author:** ![alphanumeric](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.pimoroni.com/alphanumeric/32/2729_2.png) [@alphanumeric](https://forums.pimoroni.com/u/alphanumeric)\ **Post date:** [December 6, 2017, 12:36pm UTC](https://forums.pimoroni.com/t/cant-make-the-skywriter-hat-working/6529/2 "2017-12-06T12:36:13Z")
i2c turned on? It’s showing nothing detected. ---
**Author:** ![remydcf](https://avatars.discourse-cdn.com/v4/letter/r/a8b319/32.png) [@remydcf](https://forums.pimoroni.com/u/remydcf)\ **Post date:** [December 6, 2017, 12:56pm UTC](https://forums.pimoroni.com/t/cant-make-the-skywriter-hat-working/6529/3 "2017-12-06T12:56:10Z")
Yes. It is. Strangely, I just tried on my Raspberry Pi Zero W with the same SD card, and it’s working! Maybe it was the Raspberry Pi. ---
**Author:** ![alphanumeric](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.pimoroni.com/alphanumeric/32/2729_2.png) [@alphanumeric](https://forums.pimoroni.com/u/alphanumeric)\ **Post date:** [December 6, 2017, 1:51pm UTC](https://forums.pimoroni.com/t/cant-make-the-skywriter-hat-working/6529/4 "2017-12-06T13:51:57Z")
Kind of sounds like its an issue with that other Pi? ---
**Author:** ![remydcf](https://avatars.discourse-cdn.com/v4/letter/r/a8b319/32.png) [@remydcf](https://forums.pimoroni.com/u/remydcf)\ **Post date:** [December 6, 2017, 2:05pm UTC](https://forums.pimoroni.com/t/cant-make-the-skywriter-hat-working/6529/5 "2017-12-06T14:05:14Z")
Yes. I think so. If it’s working on one Pi, it’s will be fine for me. Thanks for all! ---
**Author:** ![alphanumeric](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.pimoroni.com/alphanumeric/32/2729_2.png) [@alphanumeric](https://forums.pimoroni.com/u/alphanumeric)\ **Post date:** [December 6, 2017, 4:35pm UTC](https://forums.pimoroni.com/t/cant-make-the-skywriter-hat-working/6529/6 "2017-12-06T16:35:46Z")
Just curious, what model Pi’s are they, the one that works and the one that doesn’t? Any hammer headers in the mix, or headers you soldered on your self? ---
**Author:** ![remydcf](https://avatars.discourse-cdn.com/v4/letter/r/a8b319/32.png) [@remydcf](https://forums.pimoroni.com/u/remydcf)\ **Post date:** [December 6, 2017, 4:57pm UTC](https://forums.pimoroni.com/t/cant-make-the-skywriter-hat-working/6529/7 "2017-12-06T16:57:47Z")
Model that works: Raspberry Pi Zero W, Headers soldered by myself Model that doesn’t work: Raspberry Pi 2, Pre-soldered headers ---
**Author:** ![alphanumeric](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.pimoroni.com/alphanumeric/32/2729_2.png) [@alphanumeric](https://forums.pimoroni.com/u/alphanumeric)\ **Post date:** [December 6, 2017, 8:07pm UTC](https://forums.pimoroni.com/t/cant-make-the-skywriter-hat-working/6529/8 "2017-12-06T20:07:50Z")
Ok, that rules out a soldering issue. I asked because I’ve seen a few issues with the hammer headers, and some people aren’t so good at soldering.