Member #229304
Member Since: May 31, 2011
Country: United States
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No datasheet link so I measured the forward voltage of each: Red = 1.7 V, Orange = 1.7 V, Yellow = 1.8 V, Green = 1.8 V, Blue = 2.5 V, Purple = 3 V.
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I just uploaded a video of this robot walking, I control it via WiFi with arrow keys on keyboard.
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Why no quantity price breaks? :(
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Am I the first one to notice this… the JST polarity is the wrong way round!
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I don’t think this is being too picky. I was actually confused by “a rate of 500mA per hour”, I assumed it meant that the current drops by 500mA per hour as some kind of safety feature.
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Found the problem. The Arduino was sending strings to the RFID instead of bytes. Need to change rfid.print(number) to rfid.write((uint8_t)number) in functions: halt() and seek(). Works great now!
I uploaded working code to: https://github.com/SebMadgwick/RFID_Eval_13_56MHz
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Sparkfun must be the coolest company I know but if I saw you guys dancing like that, for this meme, I would defiantly lose some respect for you guys.
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I did this and I get the “START” message but that’s it. The “Found” and “Search” LEDs don’t do anything and nothing new appears more on the serial terminal. I testing it with the tag SEN-10128 but have also tried various cards in my wallet.
Any idea what’s going wrong?
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I like the black JST, do you have a part# for that?
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I just powered my up and it appeared as a keyboard. I sent the “S~,0” command to revert to SPP and it now appears as “Other”. This would seem to indicate it has HID firmware installed and that HID mode is default.
