[RIIM] How many channels are available for HP RIIM under EU regulations? One channel. Last Update: September 29, 2021 September 29, 2021 1155 RIIM Q&A Related Knowledge Base Posts -[RIIM] What is the maximum length of an event handler timer I can implement?[RIIM] Do you need a programmer to program the devices? I suppose the development boards can be programmed with the USB?[RIIM] Do I need an external pull-up resistor on the SPI CS (chip Select)?