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May 23, 2008
about 7 months ago
There are syntax errors in the Sparkfun ePaper library, but once fixed, it runs on UNO. If you move the SPI wires to the ICSP pins, it will also run on Leonardo and Zero.
about 8 months ago
For anyone trying to program this via the Arduino IDE (which works well, BTW), the stock adafruit LCD libraries won't work. See https://github.com/espressif/WROVER_KIT_LCD instead. It will save you hours of frustration... (Don't ask me how I know.)
about 9 months ago
I finally had a spare moment, and tried hooking this up. I have an Arduino Zero, the Quiic Shield, and this HUD. I've installed the HUD libraries and examples via the library manager. I'm not getting any display at all. I've tried two different HUD's, nothing on either one.
Am I missing something simple?
News - Dumpster Dive Update &…
about 2 years ago
My order just got cancelled... What happened?
about 2 years ago
I'm getting some weird measurements from my unit.
I set it up last night before I left work, and came back this morning to check on it. The CO2 level slowly ramped from 400 to 6500 over the last ten hours, and TVoc up to 600. Needless to say, at those levels I think I'm dead.
I blew on the sensor, expecting to see the CO2 increase slightly, but instead it dropped to 1500, and the TVoc to 180. Still sounds pretty unhealthy, and unlikely.
Was it cooking off some residue from mfg, or something?
I know the spec sheet says it need 24h to be accurate, but do we expect it to be this far off after only ten?
about 4 years ago
Any word on the datasheet?
about 6 years ago
Every time I upload a new sketch, the EEPROM is erased. I store calibration data in the EEPROM, so this is a real problem. Any suggestions? -- The best suggestion is to check one's code. Operator error... It is not erasing on upload.
about 7 years ago
I've had this on backorder for quite awhile. What's the ETA? I really don't want to have to order it from somewhere else...
News - The Return to Shenzhen - …
about 8 years ago
The only way to get to china and remain sane: EVA air economy delux, and Ambien. :-}
about 9 years ago
Anyone had any luck connecting this to an Arduino? I'm using the 3.3V rail, and A0 as the input, and best case, yelling into it, I get maybe a 13-point offset from the nominal read of 300.
Hooking the audio output up to a scope, I see almost nothing unless I tap it on the table top.
No public wish lists :(
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