FRDM-K64F is a cortex-m4 with Ethernet. But if you want loads of tiny ones you should probably just built your own. It seems everyone prefers wireless these days.<p><a href="http:&#x2F;&#x2F;uk.farnell.com&#x2F;nxp&#x2F;frdm-k64f&#x2F;dev-board-mk64fn1m0vll12-ethernet&#x2F;dp&#x2F;2406741?ost=2406741&amp;mckv=9EOgShTd_dc|pcrid|78108291429|&amp;selectedCategoryId=&amp;CMP=KNC-GUK-FUK-GEN-SHOPPING-NXP&amp;CAGPSPN=pla&amp;gclid=CJ2406a9lcsCFYdAGwod6w4NAQ&amp;CAWELAID=120173390001295487&amp;gross_price=true" rel="nofollow">http:&#x2F;&#x2F;uk.farnell.com&#x2F;nxp&#x2F;frdm-k64f&#x2F;dev-board-mk64fn1m0vll12...</a>