[RIIM] How much space is available for the user to write their application? 32 KB. Last Update: September 29, 2021 September 29, 2021 1239 RIIM Q&A Related Knowledge Base Posts -[RIIM] Do I need an external pull-up resistor on the SPI CS (chip Select)?[RIIM] How many nodes can be connected directly to the Border Router as its child nodes/slave nodes?[RIIM] Does RIIM support both IPv4 and IPv6? How do I choose between them?