Interesting.....too bad it is so expensive ($55).Mistertee wrote:Here is a link to a dedicated Raspberry Pi 8 relay card that uses I2C control. This means that a number of these can be daisy chained to provide 16, 24, 32 .... upto a maximum of 64 relays.
The piface is a completely different product with extra functions, not just a relay board. Another issue with the Custard Pi relay board is that it requires an additional 12v power supply, which makes it even more expensive. Lets see, I could buy eight Sainsmart 8 channel relay cards at $12 each for a price of $96 + GPIO expander chips, or I could buy 8 custard Pis at $55 each for a total of $440. This is a no brainer. I guess if I worked for the government, this would fit right in with the $640 toilet seat that the Pentagon bought in the 80's.Mistertee wrote:It is priced at £36 which is competitive with the Pi Face (which is £28) but the Custard Pi 6 supplies much more. It is made in small quantities in the UK, so not cheap and cheerful China prices I am afraid.
The PCB can be supplied on it's own for a few £££s for someone to source the components and build it themselves if you are interested.
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