# Program too big issue **URL:** \ **Category:** micro:bit\ **Created:** [March 18, 2023, 1:47am UTC](https://forum.makecode.com/t/program-too-big-issue/18494 "2023-03-18T01:47:04Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![naim514](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/naim514/32/5634_2.png) [@naim514](https://forum.makecode.com/u/naim514)\ **Post date:** [March 18, 2023, 1:47am UTC](https://forum.makecode.com/t/program-too-big-issue/18494/1 "2023-03-18T01:47:04Z")
hi all, i do my custom extension to read from thingspeak(here the link of my custom extension [https://github.com/naim514/esp8266\_iot\_naim](https://github.com/naim514/esp8266_iot_naim)).so when i do my program and go to send it to my microbit makecode show me this message "program too big 1544 bytes " help please how i must find a solution to download my program despite there is smartcity extension that we can find blocs to read from thingspeak but my iot bit 1.6 version don’t connect to wifi using the smarcity extension so i think it’s not compatible that’s why i created after many works my custom extension and i’m eager to read from thingspeak using it but this issue come help please thx in advance kind regards ---
**Author:** ![roymagic](https://avatars.discourse-cdn.com/v4/letter/r/ee7513/32.png) [@roymagic](https://forum.makecode.com/u/roymagic)\ **Post date:** [May 23, 2023, 4:11pm UTC](https://forum.makecode.com/t/program-too-big-issue/18494/2 "2023-05-23T16:11:51Z")
Did you find a fix to this? It appears you are using libraries which increases the size of the code. Use minimal libraries. ---
**Author:** ![naim514](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/naim514/32/5634_2.png) [@naim514](https://forum.makecode.com/u/naim514)\ **Post date:** [May 23, 2023, 4:50pm UTC](https://forum.makecode.com/t/program-too-big-issue/18494/3 "2023-05-23T16:50:20Z")
thx i must buy smarthon to read from thingspeak and all is well best regards