I am using a Ethermega with a shield for connecting 2 sensors a pH and DO one from Atlas Scientific and send the data via ethernet to Thingspeak, I still have to connect the temperature probe, but my problem is that when i connect a 12V 1A plug into the source the Ethermega is not connect, could it be because the Voltage is to low due to the shield and the probes? When I connect it via USB works perfectly.
Combining the power of the ATmega2560 MCU with onboard Ethernet, a microSD card slot, an efficient switchmode power supply, and a small prototyping area. [Product page]
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