# How can I upload Cactus micro rev2 with ESP8266(ESP-03)?

**URL:** <https://bbs.aprbrother.com/t/how-can-i-upload-cactus-micro-rev2-with-esp8266-esp-03/651>\
**Category:** Arduino\
**Created:** [July 21, 2016, 5:08am UTC](https://bbs.aprbrother.com/t/how-can-i-upload-cactus-micro-rev2-with-esp8266-esp-03/651 "2016-07-21T05:08:44Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![aprilpea](https://bbs.aprbrother.com/user_avatar/bbs.aprbrother.com/aprilpea/32/9_2.png) [@aprilpea](https://bbs.aprbrother.com/u/aprilpea)\
**Post date:** [July 21, 2016, 5:32am UTC](https://bbs.aprbrother.com/t/how-can-i-upload-cactus-micro-rev2-with-esp8266-esp-03/651/2 "2016-07-21T05:32:29Z")

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The default firmware for esp8266 is espduino not AT firmware. The espduino firmware is easier to use for REST http request

Please check [the topic](https://bbs.aprbrother.com/t/about-cactus-micro-r2-recently/493/2)

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