Search found 398 matches

by manjh
11 Nov 2017, 15:12
Forum: ESP Easy: General Discussion
Topic: Strange problem...
Replies: 5
Views: 1002

Strange problem...

If you think you've seen it all, read on. On a NodeMCU I was experimenting with a dust sensor GP2Y10 and a simple 2-line LCD display. I put together some rules, including some init messages to the LCD. At some point I decided to swap the LCD for an OLED display that I have. I forgot to remove the LC...
by manjh
05 Nov 2017, 22:48
Forum: ESP Easy: Software
Topic: KRACK vulnerability
Replies: 16
Views: 4322

Re: KRACK vulnerability

Strange, I do exactly that! I run a VPN server on the Pi that also runs Domoticz, and whenever I want to access the ESP units from outside my own LAN, I connect a VPN tunnel and simply connect to the ESP. Have never experienced a problem like you describe. There must be something special going on he...
by manjh
01 Nov 2017, 19:41
Forum: Introduce yourself
Topic: Hello from Poland
Replies: 2
Views: 762

Re: Hello from Poland

welcome!
by manjh
26 Oct 2017, 23:32
Forum: ESP Easy: General Discussion
Topic: Feature Request collection/list
Replies: 197
Views: 77646

Re: Feature Request collection/list

Bluetooth enable / Presence detection http://www.esp8266.nu/forum/viewtopic.php?f=2&t=1886 https://www.happybubbles.tech/presence/detector http://www.aliexpress.com/wholesale?catId=0&initiative_id=AS_20160821232515&SearchText=bluetooth+LE+breakout I second that. With the R-Pi type 3 there is a BT f...
by manjh
09 Oct 2017, 15:43
Forum: ESP Easy: Software
Topic: Switch: can I send state only when changed?
Replies: 2
Views: 887

Re: Switch: can I send state only when changed?

Ah, great when a solution is that simple....

Thanks!
by manjh
09 Oct 2017, 13:54
Forum: ESP Easy: Software
Topic: Switch: can I send state only when changed?
Replies: 2
Views: 887

Switch: can I send state only when changed?

I have a rain sensor attached to one of my ESP units. It is configured as switch, and works OK. The only problem is that it's state is transmitted to Domoticz periodically, regardless of state change. I would prefer to have a transmission done only when the switch changes state! Is this possible? Th...
by manjh
30 Sep 2017, 17:12
Forum: Introduce yourself
Topic: Hello from Sweden
Replies: 6
Views: 2026

Re: Hello from Sweden

Welcome. We have met before on this forum, and I think you are a very valuable asset bringing in a lot of specialty knowledge!

Peculiar: you already have 429 posts to your name, and only now you are in the introduction section?
by manjh
21 Sep 2017, 22:23
Forum: ESP Easy: Hardware
Topic: Sensair S8
Replies: 105
Views: 11900

Re: Sensair S8

You can protect it somewhat using rice or moisture capturing bags (found in some shoes and purces and stuff). You would have to replace that every once in a while. I use a moisture-eating powder sold in DIY stores, it is sold to keep moisture out of campers and caravans. But that stuff takes up moi...
by manjh
21 Sep 2017, 17:41
Forum: ESP Easy: Hardware
Topic: Sonoff 4CH with ESPEasy
Replies: 151
Views: 64692

Re: Sonoff 4CH with ESPEasy

Definitely that is not a genuine Itead 4ch. Anyways an interesting module. Do you have a link or schematics? I'm not able to identifythe cpu module, it might contain an esp, not sure. It might contain a signal cpu too. A picture of the external casing might help, plus an accurate type/model number.
by manjh
21 Sep 2017, 15:11
Forum: ESP Easy: Hardware
Topic: Sonoff 4CH with ESPEasy
Replies: 151
Views: 64692

Re: Sonoff 4CH with ESPEasy

Are you sure this is a Sonoff 4CH? It looks totally different from the two units I have. I see no buttons, for example.
Also, my Sonoff has a mains connection from which it feeds. Looks like this one expects an external power supply!
by manjh
21 Sep 2017, 11:55
Forum: ESP Easy: Hardware
Topic: Sensair S8
Replies: 105
Views: 11900

Re: Sensair S8

Hmmmm maybe another way to measure CO2 in an aquarium.... I think you could, as long as the sensor is not submerged in the water. But measuring the CO2 level just above the water, just under light hood covering the tank. It should give a fair indication of CO2 level in the water, I think. This coul...
by manjh
20 Sep 2017, 21:10
Forum: ESP Easy: Hardware
Topic: Sonoff 4CH with ESPEasy
Replies: 151
Views: 64692

Re: Sonoff 4CH with ESPEasy

and other topic only no answer Do you perhaps know how i can use the Sonoff dual.. Please a http command? with the gpio that is used.. A example please? Thanks This thread is about the Sonoff 4CH. The Sonoff dual is a totally different beast, I seem to remember that it has a different architecture ...
by manjh
20 Sep 2017, 19:32
Forum: ESP Easy: Hardware
Topic: Sonoff 4CH with ESPEasy
Replies: 151
Views: 64692

Re: Sonoff 4CH with ESPEasy

When I have some time I will update the Wiki to reflect my setup as a small project. Hope you do that... Cannot understand the wiki.. Hope you will let it know when.. thanks! Which part don't you understand? In my view, the Wiki was set up quite good, and has recently been reorganized. It should be...
by manjh
20 Sep 2017, 19:24
Forum: ESP Easy: Hardware
Topic: Sonoff 4CH with ESPEasy
Replies: 151
Views: 64692

Re: Sonoff 4CH with ESPEasy

mm when i have tie i try... Only what are the gpio port to use for the four channels? And how can i switch them with a http command.. Thanks GPIO 4, 5, 12 and 15. Buttons are 0,9,10 and 14. I switch them from the rules, so I can give a simple json command and let the rules translate it into the pro...
by manjh
19 Sep 2017, 10:14
Forum: ESP Easy: Hardware
Topic: Sonoff 4CH with ESPEasy
Replies: 151
Views: 64692

Re: Sonoff 4CH with ESPEasy

mm m where can i find this tool? [ i do not have it ] And can i flash then the normal latest espeasy beta with it? Or does any one have a working os for me, Thanks This is quite easy to find in the Wiki. Look for the esp setup, there is a link to a download which also brings the esptool downloader ...
by manjh
19 Sep 2017, 00:36
Forum: ESP Easy: Hardware
Topic: Sonoff 4CH with ESPEasy
Replies: 151
Views: 64692

Re: Sonoff 4CH with ESPEasy

sorry, i'm on vaccation atm and i have only my old tablet at hand. With one of the r14x versions a reworked flash tool was delivered. that was the flashtool i used with the binary i attached with this thread. Same here. I had my share of trouble flashing the Sonoff units, and in the end found that ...
by manjh
18 Sep 2017, 17:28
Forum: ESP Easy: Hardware
Topic: Sensair S8
Replies: 105
Views: 11900

Re: Sensair S8

I also noticed the CO2 level to rise dramatically fast when cooking (on gas). Our kitchen has no door to the living room, so concentration becomes equal in those rooms. (12 + 25 + 10 m^2 in total) Let's say, it is good my CO2 sensor has a range from 400-5000 ppm, since it can spike over 2000 ppm in...
by manjh
11 Sep 2017, 22:22
Forum: ESP Easy: Hardware
Topic: Understanding the GP2Y10
Replies: 26
Views: 4758

Re: Understanding the GP2Y10

i have one running on R148 and one on 2.0.0_11, both are working. A very simple test is blowing smoke from a cigarette to the sensor, it should show a reaction with the next "delay" period. As said it is possible that the sensor has a somewhat high zero deviation so it remains on a high value. Rega...
by manjh
11 Sep 2017, 18:08
Forum: ESP Easy: Hardware
Topic: Understanding the GP2Y10
Replies: 26
Views: 4758

Re: Understanding the GP2Y10

I don't really care about exact values, since it is all relative anyway. The only thing I would like is to see if the sensor works at all. At this moment I can see the effect when I disconnect the outputline, or the 3.3 or gnd connections. But the LED driver (connection 3 on the sensor) does not see...
by manjh
11 Sep 2017, 12:26
Forum: ESP Easy: Hardware
Topic: Sensair S8
Replies: 105
Views: 11900

Re: Sensair S8

grovkillen wrote:
11 Sep 2017, 12:25
Yes, the candles are a big oxygen consumer... :?
I know, but in a room this size, I did not expect the effect to be really measurable... :shock:
by manjh
11 Sep 2017, 12:17
Forum: ESP Easy: Hardware
Topic: Understanding the GP2Y10
Replies: 26
Views: 4758

Re: Understanding the GP2Y10

I took a closer look at my circuit, and sure enought: found a very clumsy fault. :shock: :oops: The V-divider lead to ground had been cut. I repaired it and started the unit up again with the formula as mentioned: (%value%-1940)*0.025 It now produces value 284. Will leave it alone for a while and se...
by manjh
11 Sep 2017, 09:44
Forum: ESP Easy: Hardware
Topic: Sensair S8
Replies: 105
Views: 11900

Re: Sensair S8

This sensor has a great wow-factor. With most other sensors, you are excited immediately after installation, and then get used to it. The S8 still surprises me. Check out the screenshot below. Before, I've already recognized the daily peaks, every evening the doors and windows close and we are stayi...
by manjh
10 Sep 2017, 22:08
Forum: ESP Easy: Hardware
Topic: Understanding the GP2Y10
Replies: 26
Views: 4758

Re: Understanding the GP2Y10

I put together a small breakout board and put the sensor on it. the V-divider is on it, and can be switched on/off with a jumper, so I am flexible as to the use of the ESP unit. I am now using a NodeMCU. Connected to the pin marked A0, and used this formula: (%value%-1940)*0.025 It looks like it wor...
by manjh
09 Sep 2017, 15:55
Forum: ESP Easy: Projects / Applications
Topic: RGB LED needed
Replies: 6
Views: 2256

Re: RGB LED needed

I have the dust sensor running on an ESP unit and can see a value. Tried to get this into Domoticz but no luck sofar. Can someone tell me the sensor type that I should define in Domoticz? Edit: I defined a custom sensor and used that as target device from the ESP, now the value comes in OK. Is that ...
by manjh
08 Sep 2017, 21:30
Forum: ESP Easy: Hardware
Topic: Understanding the GP2Y10
Replies: 26
Views: 4758

Re: Understanding the GP2Y10

Shardan wrote:
08 Sep 2017, 21:27
... which is the new article as i'm on vaccation since beginning of September... :D
Lucky you! Have a great time!
by manjh
08 Sep 2017, 21:25
Forum: ESP Easy: Hardware
Topic: Understanding the GP2Y10
Replies: 26
Views: 4758

Re: Understanding the GP2Y10

have a look at the wiki and search for the gp2y10 The new article about the sensor is online. A voltage divider is needed if you use bare ESP-12, a wemos has it built in. If using a divider on a wemos you will get very low values and a bad resolution, thats all. Using the ads1115 needs an adaption ...
by manjh
08 Sep 2017, 15:46
Forum: ESP Easy: General Discussion
Topic: DOes a separate guest network make sense?
Replies: 10
Views: 2405

Re: DOes a separate guest network make sense?

Sounds ok. At least we've now thought about it!
by manjh
07 Sep 2017, 21:27
Forum: ESP Easy: General Discussion
Topic: DOes a separate guest network make sense?
Replies: 10
Views: 2405

Re: DOes a separate guest network make sense?

toffel969 wrote:
07 Sep 2017, 21:23
It depends if you need to communicate with an ethernet device(like domoticz server), AFAIK on most routers ethernet devices are not available from guest wifi.
Ah, good point. I would have to test that.
But supposing that is possible, what other pro's and cons can you think of?
by manjh
07 Sep 2017, 21:26
Forum: ESP Easy: Hardware
Topic: Understanding the GP2Y10
Replies: 26
Views: 4758

Re: Understanding the GP2Y10

For short from vaccations: 1,2 and 3 are the led circuit. LED power needs an own power supply with a 150 Ohm resistor in serial and a 220uF capacitor parallel to the GP2Y10 LED pins. Pin 3 is the led driving input. One measurement needs a number of led pulses of a defined time, the scattered light ...
by manjh
07 Sep 2017, 16:43
Forum: ESP Easy: Hardware
Topic: Understanding the GP2Y10
Replies: 26
Views: 4758

Understanding the GP2Y10

I am going to set up a GP2Y10, have looked through this forum and the wiki but have a few questions left. First, I see six connections coming out of the sensor. From the schematics I can understand numbers 1, 2, 4 and 6. Number 5 is the output, I suspect. But what about number 3? "LED"? In the Wiki ...
by manjh
06 Sep 2017, 22:55
Forum: ESP Easy: General Discussion
Topic: DOes a separate guest network make sense?
Replies: 10
Views: 2405

Re: DOes a separate guest network make sense?

I realize this may not be an explicit yes/no question, but it would be nice to open the discussion and get some opinions about pro's and cons...
by manjh
06 Sep 2017, 13:41
Forum: ESP Easy: Hardware
Topic: BME280 - No I2C devices found
Replies: 8
Views: 3026

Re: BME280 - No I2C devices found

Yes, nothing found. I can do a soft reset and still nothing. Doing a power cycle will bring it back for a bit. I have checked the wires and connection. Nothing obvious there either. Strange. Perhaps a conflict with other devices on I2C? Try it on it's own... I assuming it's dead then. I tried that ...
by manjh
06 Sep 2017, 13:39
Forum: ESP Easy: General Discussion
Topic: DOes a separate guest network make sense?
Replies: 10
Views: 2405

DOes a separate guest network make sense?

I currently have 12 individual ESP units running, and still increasing. They all connect using the same Wifi net as I use for laptops, tablets and phones. My router (Netgear R7000) has the option to set up a separate "guest" network. Would it make sense to start that guest network just for use by th...
by manjh
05 Sep 2017, 21:12
Forum: ESP Easy: Hardware
Topic: BME280 - No I2C devices found
Replies: 8
Views: 3026

Re: BME280 - No I2C devices found

nightshark wrote:
05 Sep 2017, 17:58
Yes, nothing found. I can do a soft reset and still nothing. Doing a power cycle will bring it back for a bit. I have checked the wires and connection. Nothing obvious there either.
Strange. Perhaps a conflict with other devices on I2C? Try it on it's own...
by manjh
05 Sep 2017, 17:50
Forum: ESP Easy: Hardware
Topic: BME280 - No I2C devices found
Replies: 8
Views: 3026

Re: BME280 - No I2C devices found

When it dies, did you try an I2C scan (on the tools tab)?
by manjh
01 Sep 2017, 22:37
Forum: ESP Easy: Projects / Applications
Topic: RGB LED needed
Replies: 6
Views: 2256

RGB LED needed

For an air quality project I need a simple single LED RGB indicator.
Which type would be the simplest solution?
Use the WS2812? Or use a simple RGB LED and connect to multiple GPIO's? Seems like a low-tech solution... :-(
Is there something that I could connect to I2C?
by manjh
31 Aug 2017, 09:57
Forum: ESP Easy: Hardware
Topic: LCD with two alternating sets of display lines?
Replies: 9
Views: 2100

Re: LCD with two alternating sets of display lines?

As far as i can see from the code there are no further commands. Pity. Clearlline would have been useful, especially when I use text of varying length. If a displayed lline is shorter than the previous, it will leave some of the old text visible. The only options now are to either clear the whole s...
by manjh
31 Aug 2017, 09:55
Forum: ESP Easy: Hardware
Topic: LCD with two alternating sets of display lines?
Replies: 9
Views: 2100

Re: LCD with two alternating sets of display lines?

One last question, is there a list of commands? In the ESPEasy command reference I find a link to the LCD Display page, and there I can see four: simple write, clear, on and off. Is there more? Such as line-clear, blink on/off, cursor position? Not that I'm aware of. What do you mean by dependant o...
by manjh
30 Aug 2017, 12:20
Forum: ESP Easy: Hardware
Topic: LCD with two alternating sets of display lines?
Replies: 9
Views: 2100

Re: LCD with two alternating sets of display lines?

One last question, is there a list of commands?
In the ESPEasy command reference I find a link to the LCD Display page, and there I can see four:
simple write, clear, on and off.
Is there more? Such as line-clear, blink on/off, cursor position?
by manjh
30 Aug 2017, 11:38
Forum: ESP Easy: Hardware
Topic: LCD with two alternating sets of display lines?
Replies: 9
Views: 2100

Re: LCD with two alternating sets of display lines?

Yes it's possible. The commands shown under http control are also available in rules: https://www.letscontrolit.com/wiki/index.php/LCDDisplay Just use the lcd command in rules in combination with 2 timers. Understand. But that would put the control in Domoticz (in my case), and I would prefer an ES...
by manjh
30 Aug 2017, 11:34
Forum: ESP Easy: Hardware
Topic: LCD with two alternating sets of display lines?
Replies: 9
Views: 2100

Re: LCD with two alternating sets of display lines?

I am using an LCD screen with four display lines, and have run out of room. It would be nice to have two separate sets of lines, which display alternating. So first display the 1st set of lines, then after (say) 30 seconds display the second, etcetera. I don't think this is a function at this momen...
by manjh
29 Aug 2017, 23:57
Forum: ESP Easy: Hardware
Topic: LCD with two alternating sets of display lines?
Replies: 9
Views: 2100

LCD with two alternating sets of display lines?

I am using an LCD screen with four display lines, and have run out of room. It would be nice to have two separate sets of lines, which display alternating. So first display the 1st set of lines, then after (say) 30 seconds display the second, etcetera. I don't think this is a function at this moment...
by manjh
28 Aug 2017, 22:06
Forum: ESP Easy: General Discussion
Topic: humidity readings
Replies: 4
Views: 1252

Re: humidity readings

After several days of confusion I decided something must be wrong. The BME280 was consistantly giving readings about 10 percent points lower than the other sensors, including the standalone cheap Chinese unit. The peculiar of all this is that most readings were quite close together, except for the B...
by manjh
26 Aug 2017, 14:52
Forum: ESP Easy: General Discussion
Topic: humidity readings
Replies: 4
Views: 1252

Re: humidity readings

In my case, the absolute accuracy is not a priority. If the sensor reads 55 and the "real" value is 52 or 58, I can live with that. But what bothers me is the fact that I have several sensors, with readings that are 10% apart. I am considering putting all of them together in an (almost) airtight con...
by manjh
26 Aug 2017, 09:24
Forum: ESP Easy: General Discussion
Topic: humidity readings
Replies: 4
Views: 1252

humidity readings

I have a setup with twi separate ESP units with several sensors attached. On one of them I use the good-old DHT22. on the other a newer BME280. What worries me is the difference in readings. On the BME I can see a humidity value of 42%. The DHT tells me 55%. And just for checking I added a standalon...
by manjh
26 Aug 2017, 08:48
Forum: ESP Easy: Hardware
Topic: Sonoff 4CH with ESPEasy
Replies: 151
Views: 64692

Re: Sonoff 4CH with ESPEasy

W00t! :) Got it working - on the wifi and I'm about to start the set up process... FOr others who may find it of use, few things that through me: 1. To get into boot loader mode (flash mode), hoeld won the first button on the Sonoff 4 ch... with the lid of the case off, you should find this is mark...
by manjh
24 Aug 2017, 22:54
Forum: ESP Easy: Hardware
Topic: Sonoff 4CH with ESPEasy
Replies: 151
Views: 64692

Re: Sonoff 4CH with ESPEasy

Thanks Manjh, So, hold down the first button (marked fw/io01) then power the sonoff, then release the button...? How does the Sonoff show its in flash mode, lit LEDs etc? When I did that with mine, it didn't show any LEDs or sign of life period. I have since paired and tested with the OEM app, so a...
by manjh
24 Aug 2017, 20:12
Forum: ESP Easy: Hardware
Topic: Sonoff 4CH with ESPEasy
Replies: 151
Views: 64692

Re: Sonoff 4CH with ESPEasy

You will need to get the Sonoff in flash mode before applying power. If it reacts to that first button like you describe, it means that the firmware is still the original Sonoff. If you want to test, you could download their app and see if you can pair it. So: press and hold the button and only then...
by manjh
24 Aug 2017, 16:28
Forum: ESP Easy: Hardware
Topic: Sonoff 4CH with ESPEasy
Replies: 151
Views: 64692

Re: Sonoff 4CH with ESPEasy

Thanks Manjh :) One last... When you say "no crossing on this device", does that mean A) the device doesnt cross tx to Rx, so I'll need to Or B) the device does cross, so I don't need to? So Rx to Rx, tx to tx? Normally you would cross: so connect tx to rx and vv. With the Sonoff the labels tell yo...
by manjh
24 Aug 2017, 14:06
Forum: ESP Easy: Hardware
Topic: Sonoff 4CH with ESPEasy
Replies: 151
Views: 64692

Re: Sonoff 4CH with ESPEasy

Thanks Manjh , I know it's easy to "ignore the dumb noob" when you guys are all at such a higher level :) Much appreciate your help, I'll give that a try tonight. Apart from "generally not poking things with a screw driver" when connected to the mains, and specific non no's? From your advice, I pla...