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domoticz arduino usb

d-dow last edited by

How do i send the data from dht 11 to domoticz usin usb (no rf or esp)
domoticz has recocnized the arduino by com 5. But no data in Domoticz?
Dick
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mfalkvidd Mod last edited by mfalkvidd

Locking this topic since the same question was posted in https://forum.mysensors.org/topic/9658/domoticz-arduino-usb/ Feel free to continue the discussion there.
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@Calvin-Khung you can convert st-link clone into BMP. The only problem would be if there is not enough flash on the chip. If I remember correctly, BMP firmware needs more than 64kb. But you will know for sure, if you'll try.
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Thanks for this detailed explanation, I will keep that in mind for the next design and plan with capacitors. Currently I have no connectivity troubles in my home (ground floor flat with garden) both inside and outside, but we will see what the situation will be at the end of battery life (PA level high). I like your project, BTW, a lot of information and experience documented
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What Chinese are doing with this sensor which is used in a handheld air quality meters like this: https://a.aliexpress.com/_UCY55 is this -> Li-Ion battery 3000-4000mAh This would last hours. Not days. Unless you want to use a car battery, I do not think there is a portable pm25 monitor able to work days without recharging.
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@dbemowsk hi, first off all, very nice job, i read your setup and i like what you did, but im not ready yet to master this c++ like you and i am trying to compile your sketch but i have some faults, with heartbeat interval, and maybe you can show me the way? thanks
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Long story short, try 433.55 MHz I tried for years to received my Chacon Ecowatt 800 (a rebranded Efergy 2 classic) data. I knew the frequency wasn't 433.92 MHz. I lastly opened transmitter case to find which RF chip was used ... but I didn't get any datasheet for the "A71C03AUF" I found On last resort, I sought a signal on all "433.92MHz" ISM band (433.05~434.79 MHz, with sdr-sharp). I did find something centered on 433.51 (433.47 and 433.56, FSK?) MHz. As for Somfy stuff (which uses 433.42 MHz), many generic receiver can't work with those *special" 433MHz frequencies. In the end, I tested this new frequency using rtl-433 and guess what, there's a working Efergy module ! Moreover, I did not make a great discover, 433.55MHz is well precised in the "efergy_e2_classic.c" module comments... RFM69 or NRF24L01 may be frequency ajustable!

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