Companion Sheild
The entry level shield is labelled The Companion Shield. This is a PCB laid out in the pattern of a solderless breadboard. The holes are single sided, which means that components can easily be removed using solder mop braid, or a solder vacuum tool, if a mistake is made, or components need to be re-used.
The (PBP3) Companion Shield Manual iCan be downloaded from here
See the Companion Shield in our on-line shop
Re: SERIN2 Receiving Wrong Data
If you're using interrupts on either end then you shouldn't use SEROUT/SERIN as interrupts will upset the timing.
tumbleweed Today, 13:12You should use the hardware HSEROUT/HSERIN routines, but then you will have to use...