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Memory+Storage and Programming the SCK



I’ve got two questions. First, how much internal memory does the unit have? I currently have it set to taking a measurement every minute but posting every 5. Now, if I’m not connected to wi-fi for an extended period of time (I take the unit with me) and I come back in the evening, will the unit post all the readings from every minute of the day? That is what appears to be happening when I pull the CSV sensor data (my sensor is 2002) but I’m curious about what the limitation is?

Also, is there any way to program this unit other than the USB? as most people here, mine keeps falling off and I don’t have a good solution to date. (I have tried the fix outlined here, but ideally I’d like to swap out for a through hole USB board, not sure if you’re still getting those out to people).

Thanks in advance!



Hi @marciszewski,

On the internal memory…

The internal memory of the SCK 1.1 can store up to 571 readings. This means that if the kit can’t find its Wi-Fi network it will store data up to 9h (when publishing every minute) and then publish everything once it finds the network again.

About programming without USB… There might be the option of programming over ICSP.

  1. You will need an ISCP. You can built one using another Arduino.

  1. When you click the Upload (:arrow_right:) button on the Arduino IDE. You will need to press Shift ⇧ at the same time. This will tell the Arduino IDE to Upload the Firmware over ICSP.

Hope this helps!



Hi - can anyone help me here?



My SCK 1.1 doesn’t appear to be storing any readings, so that if my wi-fi drops out, the data is lost.

Is there a setting, or something that I should be doing to make this happen?

(My kit is # 4122.)