Texas Instruments: https://myportal.ti.com/portal/dt?actionId=368&lt=myti&provider=TIPassLoginSingle Container&goto=https%3A%2F%2Fcommerce.ti.com%3A443 %2Fstores%2Fservlet%2FSCSAMPLogon%3FURL%3DOrderIte mDisplayView%26catalogId%3D10001%26langId%3D-1%26orderId%3D.%26reLogonURL%3DSCSAMPLogon%26store Id%3D10001

You get a small number of samples (Many different IC's) to test projects :)