The W5100 bug(s) – and how to fix it (them)
The W5100 bug(s) – and how to fix it (them)
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Project description
Bug 1- The SPI bug On a recent project in which I shared the SPI bus of a 3V3 8MHz ProMini, with a W5100 Ethernet module and another SPI slave, I experienced some problems: sometimes it would work perfectly, sometimes not. I had hooked up the ethernetmodule with Pin D10 as Chipselect and the other slave (an RFM69) with Pin D8 as Chipselect. Pretty standard and it should work, shouldnt it? Well as it is, it didnt. Oddly enough, I had build it before with another Ethernet module and that worked fine. When I connected my EthernetShield in the same way, the issue was gone. Time to throw…
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