Posts made by jumping

could you share a circuit diagram? thanks

@skysonic said in Temp, pressure, humidity + OLED:

Great project
what sketch have you used?
i am very interested to make a temprature switch for my kitchen with that kind of display
great work

thank you! My sketch is based on bme280 temp, hum, pressure sketch plus the oled display. bye

thanks, next time I will use the github search function

@mfalkvidd thanks for your answer, can you tell me what is the RF24_getSendingRSSI?

int16_t transportGetSendingRSSI(void)
{
	return RF24_getSendingRSSI();
}

Hi,
the NRF24l01 doesn't have a RSSI function as reported in Nordic datasheet, so how can the signal report work?
thanks

@anticimex You are too fast Now the CERN files are uploaded!!

New version 2.1 with EEPROM and signing IC!

@gohan I will add dome details as soon as possible; about the SMA connector it's too big (7.9mm diameter) for this board.

@Anticimex, sorry I will provide the correct files as soon as possibile! thanks

@mbj said in Rain sensor:

@jumping Unfortunately I had no time to look at anything last week and i will not be able to do it the next cople of weeks because of travelling but I promise it will come. I assume that you also have seen the code for a rain sensor at the Mysensors forum but if not take a look there in the meantime. I know this is a different solution but might be of interest anyhow.

No problem thanks

@mbj I'm also interested about your code, thanks

@gohan I don't know, I think about 2 or 3 months but I will do some calculations

Hello,
this is a sensor with BME280, 0.96" OLED display and a custom PCB with Arduino Pro Mini 3,3v.
THe PCB is about 5cmx5cm with TP4056 LIPO charger, voltage regulator, space for an antenna, as described here: https://forum.mysensors.org/topic/5314/pcbs-for-battery-based-sensor

A button turns on the display:

Here the PCB:

@dynamite thanks for your answer! do you use a adafruit FRAM in your node?

Hello,
I have a BK-G4L gas meter and I want to build a Mysensor node and measure the gas flow: what is the best solution, a reed switch or a magnetometer?
and for a magnetometer based sensor, do I need HMC5883 or HMC5983?
thanks

@Lendog Hello, is the sketch compatible with Mysensosr 2.0 ?
thanks

@pdey said:

@Mark-Swift : If you're happy to modify the MySensors library in an unsupported way, I've added a logMessage function to transmit text/debug messages from remote nodes:
https://github.com/peterdey/MySensors-Arduino/commit/f5f339b71620ec3cd896304a2ca6aba40ad40218

Found it useful, particularly in conjunction with MYSController OTA firmware updates.

is it possible to use with mysensor 2.0 API ?

@ileneken3
my PCB use a cheap and easily available TP4056 charger, for LiFeP04 batteries you can use charger like this: https://www.tindie.com/products/xorbit/lifepo4weredusb/

but I have good news, I found an interesting article http://nerdralph.blogspot.it/2016/01/a-36v-lifepo4-charger-for-under-50c.html maybe I can integrate a LiFePO4 charger on my PCB

hi @sundberg84, if you have some free time you can see my post about a "new" PCB
https://forum.mysensors.org/topic/5314/pcbs-for-battery-based-sensor

@epierre said:

@jumping you will need to scale down the script obviously, in term of power it will be too short to have more than one.

thanks for your answer! please, can you explain how the following code in your sketch is related to datasheet?

• float CO_secCurve[2] = {726.7809737, -4.040111669}; //MQ135

I understand the sketch in the "Gas Detection - Example", but not the previous.
sorry for my poor english

1. PCB with SMD resistors and capacitors with LIPO module, arduino module and radio module

Hello,
I'm working on two projects, both of them with RFM and NRF option: what do you think? Are the PCBs correct?

1. First PCB
   

@ileneken3 in my experienxe the 3.3v booster gives a lot of problem with radio

Hello,
I bought the classic MQ sensors (MQ2, MQ4 and MQ135) and I'm building a multisensor node with arduino nano v3:
@epierre can I use sketch https://github.com/empierre/arduino/blob/master/AirQuality-Multiple_Gas_Sensor1_4.ino, is it suitable?
thanks

Hello,
I use a My Sensors 2.0 version of "Multisensor node using @ceech board" but I have this error:

TSP:MSG:SEND 5-5-0-0 s=255,c=3,t=11,pt=0,l=12,sg=0,ft=1,st=ok:JMP-LightLux
TSP:MSG:SEND 5-5-0-0 s=255,c=3,t=12,pt=0,l=3,sg=0,ft=0,st=ok:1.0
TSP:MSG:SEND 5-5-0-0 s=10,c=0,t=13,pt=0,l=0,sg=0,ft=0,st=ok:
TSP:MSG:SEND 5-5-0-0 s=11,c=0,t=13,pt=0,l=0,sg=0,ft=0,st=ok:
TSP:MSG:SEND 5-5-0-0 s=1,c=0,t=16,pt=0,l=0,sg=0,ft=0,st=ok:
Request registration...
TSP:MSG:SEND 5-5-0-0 s=255,c=3,t=26,pt=1,l=1,sg=0,ft=0,st=ok:2
TSP:MSG:READ 0-0-5 s=255,c=3,t=27,pt=1,l=1,sg=0:1
Node registration=1
Init complete, id=5, parent=0, distance=1, registration=1
BH1750 lux: 387TSP:MSG:SEND 5-5-0-0 s=1,c=1,t=37,pt=3,l=2,sg=0,ft=0,st=ok:387

Batt: 3.74V ; 414.08mA 
Solar: 0.00V ; 0.00 mA; charge: Yes
BattPct: 61% 
TSP:MSG:SEND 5-5-0-0 s=10,c=1,t=38,pt=7,l=5,sg=0,ft=0,st=ok:3.738
TSP:MSG:SEND 5-5-0-0 s=10,c=1,t=39,pt=7,l=5,sg=0,ft=0,st=ok:0.414
TSP:MSG:SEND 5-5-0-0 s=11,c=1,t=38,pt=7,l=5,sg=0,ft=0,st=ok:0.000
TSP:MSG:SEND 5-5-0-0 s=11,c=1,t=39,pt=7,l=5,sg=0,ft=0,st=ok:0.000
!TSP:MSG:SEND 5-5-0-0 s=255,c=3,t=0,pt=1,l=1,sg=0,ft=0,st=fail:61

after that the node doesn't send data to gateway.
Do you have some ideas to solve the problem?
thanks

Hello @AWI thanks for you reply, I will read the document!

With other sensors I use LiOn Nokia/Samsung battery, and it's ok!
But I want to solve this little issue

Hello,
yesterday I added a 0,1uF capacitor between 3,3V and GND pins and I tried 8 different step-up booster without success!

In the next days I will try different configurations to understand what is happening!

Thanks for your answers!
I will try with a 0.1uF ceramic capacitor.

@sundberg84 yes, I only have added the jumper on "BAT"

Hello,
my "mysensors" nodes are based upon a modified version of Easy/Newbie PCB (https://www.mysensors.org/hardware/newbie-pcb).
The nodes work fine with battery supply but without the step-up booster,
when I use a 3,3v DC step-up booster, the transmission with the gateway fails:

Starting sensor (RNNNA-, 2.0.0)
TSM:INIT
TSM:RADIO:OK
TSM:FPAR
TSP:MSG:SEND 255-255-255-255 s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=bc:
TSM:FPAR
TSP:MSG:SEND 255-255-255-255 s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=bc:
TSM:FPAR
TSP:MSG:SEND 255-255-255-255 s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=bc:
TSM:FPAR
TSP:MSG:SEND 255-255-255-255 s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=bc:
!TSM:FPAR:FAIL
!TSM:FAILURE

Other info:

• 47uF capacitor beetween VCC and GND
• mysensors version is 2.0

Do you have any idea to solve the problem?
Thank you for your help!