Search found 132 matches

by Ton_vN
08 Sep 2019, 21:21
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

See the 2 pictures. The solar panel is 14cm*9cm. The black box at the back is the junction box for the wiring, filled with a black compound, also acting as glue for the cover of the box: the sun's heat melted the compound, causing drop of the cover. SolarPanel_5W5V_Front.jpg SolarPanel_InterfaceBox....
by Ton_vN
08 Sep 2019, 21:07
Forum: ESP Easy: Software
Topic: Anemometer/ Frequency Counter
Replies: 5
Views: 788

Re: Anemometer/ Frequency Counter

Larger condensator C1 improves the signals in the analogue circuit feeding WEMOS' ADC-port A0, but with negative effect on the edges of the pulses for interface-port D4. Lessons-learned: With this simple analogue circuit the readings from the ADC are rather ambiguous, without added value relative to...
by Ton_vN
06 Sep 2019, 01:30
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

@Wiki ;-) Same lesson meanwhile learned: solar panel inside the transparant box becomes so hot that the cover at the panel's backside glued over the panel wiring drops from the panel. Must split the panel (to fit on a plate allowing ambient cooling) and the electronics (in a box for weather protecti...
by Ton_vN
29 Aug 2019, 23:01
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

@Wiki Sure! Variant with that type of solar panel in a transparant box almost ready to go for the ESP8266 controlling the light-measurements. Variant with such solar panel plus TP4056-board will shift to an ESP8266-application with operation 24/7: need to check on charging & discharging rythm .........
by Ton_vN
28 Aug 2019, 14:23
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

@Wiki You confirm my view on the matter. In this post the configuration comprises 5 such 'naked' cells (because the PCBs in the lamps went rusty, and the batteries not surviving either). Fans each require max. 100mA and 5V ~12V, ESP8266s far less. My sun-operated fans now being served, and a few mor...
by Ton_vN
28 Aug 2019, 12:30
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

Agreed. That implies some calculations to determine the layout of the combination of resistor & condensator at the output of the stepup converter: 1) during initial charging of the condensator at the output, the max. current should be acceptable for the converter => max. size of the resistor, relati...
by Ton_vN
28 Aug 2019, 10:43
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

;-) For power the analogue technology has some value (as demonstrated again). Stepdown is easy enough, therefore reconsidering the buffering & smoothing effects of diodes, condensators and analogue power controllers to provide smooth & clean power to the application electronics. This experience rais...
by Ton_vN
27 Aug 2019, 17:23
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

'Lessons learned' Checking/applying the hints from the previous messages: 1) my TP-boards have the layout as shown, which might mean that battery-protection etc. is present 2) Voltage to the TP-board shows fluctuations, but Power from the TP-board to the WEMOS seems always OK to feed the 'bare' WEM...
by Ton_vN
27 Aug 2019, 12:11
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

@TD-er The setup was OK during testing with a 'normal' USB Power Supply at the place of the solar panel, and therefore suspect that the 'problem' is somewhere at the TP-board. In the line from the solar panel the diode is fitted with the intention to protect against reverse currents [regardless whet...
by Ton_vN
25 Aug 2019, 12:43
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

;-) Sometimes 'little things' block or help. Made a setup according to this diagram . But apparently the margins of my combination of solar panel plus SI-diode resulted in out-of-range (low) input to the controller: many gaps in power supply to the WEMOS. Replacement of the silicium diode by 2 paral...
by Ton_vN
23 Aug 2019, 11:56
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

Emperically demonstrated in my setup that 1*BH1750+2*TSL2561+1*ML8511 (at A0) functionally cooperate at 1 ESPEasy-Node without problem.
The TSL2561s implemented as 2 separate devices.
by Ton_vN
21 Aug 2019, 08:37
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

@TD-er All indicated PCBs are supported by ESPEasy in combination: - Lightsensor BH1750 has selection-option for 2 I2C-addresses - Lightsensor TSL2561 has selection of 2 other I2C-addresses - for both sensortypes the output of ESPEasy is (general) luminosity. - UV-sensor ML8511 has analogue output a...
by Ton_vN
18 Aug 2019, 21:36
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

Hooking an analogue UV-sensor like ML8511 or GUVA12 to WEMOS'A0 is easy. Otherwise, the 'Minor' aspect to be solved is that the standard catalogue of devices in ESPEasy (upto/incl. R147) does not have an I2C-controlled UV-sensor. Candidates with I2C-interface would be SI1145, or better VEML7x. Is su...
by Ton_vN
18 Aug 2019, 13:18
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

@TDer

Complication of my intended application is that interface A0 is occupied by the UV-sensor.
On the other hand under ESPEasy's SysInfo I remember to have seen a check on VCC:
is that alternatively usable for battery-checking after boot?
by Ton_vN
18 Aug 2019, 12:28
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

This information which is further explained in this documentation describes various levels of 'sleep' for WEMOS, from 'No' to 'Deep'. With an application script. ;-) Now just the challenge how to make a stand-alone implementation (with ESPEasy?) that 1) if daytime, then 2) every hour (or comparable...
by Ton_vN
03 Aug 2019, 13:35
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

;-) Simplicity & proven design is best: for the power&processor-setup went for the configuration described in https://www.instructables.com/id/Solar-Powered-WiFi-Weather-Station/ For light-measurement my WEMOS+ESPEasy interfaces 1*BH1750+2*TSL2561+1*ML8511 It works, but as improvement without 'hardw...
by Ton_vN
18 May 2019, 11:24
Forum: ESP Easy: Projects / Applications
Topic: water level with ultrasonic distance meter - error readings
Replies: 15
Views: 1870

Re: water level with ultrasonic distance meter - error readings

BME280 and MS5611 measure absolute pressure. If you want to measure the difference in pressure caused by a liquid column, then you need 2 sensors: - sensor A to measure the 'liquid pressure' - sensor B to measure the atmospheric pressure as reference. MPX5050DP as a differential pressure sensor woul...
by Ton_vN
18 May 2019, 09:42
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

;-) Making use of 1 extra component perhaps this is a simple(r) way to get better power supply & charging: 1) power source = 1* solar panel slightly oversized with output > 7V, or put 2* 5V solar panel in series 2) feed panel output to cheap 3-leg power circuit like 7805-regulator 3) feed regulator ...
by Ton_vN
15 May 2019, 10:54
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

Possibly this booster is better suited to feed the battery-charger, but what is the probablity that the output of the solar panel exceeds 2,5V, but not reaches 5V?

Just a trade-off:
wait some time vs. extra circuit
by Ton_vN
15 May 2019, 10:30
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

@Domosapiens Understood, but with normal daylight the solar panel should sufficiently charge the battery to provide supply during next night and some more time. My first application will be for a setup with light-sensors, which anyway hardly require attention & power during the night ..... First tes...
by Ton_vN
13 May 2019, 13:39
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

Indeed, IKEA is near, as well as few other possible suppliers. Connections & Polarities all ;) multiply tested as OK. Tend to agree with conclusion: Because Battery + WEMOS 'behave' OK => BatteryShield seems DOA for at least the battery charging circuit. If no battery attached the output from the sh...
by Ton_vN
12 May 2019, 22:33
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

@Domosapiens ;-) Reading your messge, apparently I have Situation 0: USB-Power to shield => red LED => power to WEMOS & no Power to Battery From your message, I get the impression that my test-setup might be the problem. In this setup the feed to the BatteryShield through it's USB-interface has been...
by Ton_vN
12 May 2019, 16:12
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

@TDer Your response triggers me to reconsider. You are right: ' deep sleep ' is really deep sleep, and no wake-up other than a basic timer deep down in the processor, in no way from the outside world. Perhaps the idea I suggested is more 'light sleep ', reducing the activity of the firmware to a sma...
by Ton_vN
12 May 2019, 16:07
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

@Domosapiens Your message puzzles ..... If the Battery Shield gets PowerSupply through it's USB-interface, then the WEMOS is On, which is OK. But the question is, why is the BatteryShield not charging the battery, parallel to the WEMOS? 1) If the BatteryShield is autonomous, do I need to set 'someth...
by Ton_vN
09 May 2019, 14:09
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

@TD-er The description of 'CPU Eco mode' seems to indicate that the CPU is 'taking a nap' if not requested to do something. Considering 'ECO-mode' I would have a different look at this aspect. Perhaps it is already available somewhere as specific software, but not found: why not install a scheduler ...
by Ton_vN
09 May 2019, 13:49
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

In the perspective of independent setup to link WEMOS-PCB with battery 18650/3100mAh and with Solar Panel 5V/5W (all purchased through AlieX), experimenting with a battery-shield for WEMOS D1Pro , but that just raises questions ...... Regardless whether Solar Supply or grid-oriented supply is used, ...
by Ton_vN
02 May 2019, 09:20
Forum: ESP Easy: Projects / Applications
Topic: water level with ultrasonic distance meter - error readings
Replies: 15
Views: 1870

Re: water level with ultrasonic distance meter - error readings

Some more 'analysis' related to the barometric approach for measuring water level. Calculated pressure rise due to water depth/column is approx. 1 hPa/cm. => -0.5m = +50hPa => -1m = +100hPa => -1.5m = +150hPa => -2m = +200hPa During te most recent calibration-run in real weather for my meteo baromet...
by Ton_vN
01 May 2019, 16:58
Forum: ESP Easy: Projects / Applications
Topic: water level with ultrasonic distance meter - error readings
Replies: 15
Views: 1870

Re: water level with ultrasonic distance meter - error readings

A floating disc sounds like a very practical solution for controlled ultrasonic reflection! For the barometric concept a simple, empirical way to quickly check in practise whether calculation and practise are matching: put a BME280 inside a pipe closed airtight at the end of the BME280 push that pip...
by Ton_vN
26 Apr 2019, 08:21
Forum: ESP Easy: Projects / Applications
Topic: water level with ultrasonic distance meter - error readings
Replies: 15
Views: 1870

Re: water level with ultrasonic distance meter - error readings

Comparison of the 2 sets of pressure-data is not a big deal; just a little calculation. Need/meaning of BME280_B is dependent on some 'what-if' estimations related to application: 1) if the liquidlevel shifts, how much pressure-difference/cm (to have a reference)? 2) how quick is a 'usual' shift in ...
by Ton_vN
25 Apr 2019, 19:56
Forum: ESP Easy: Projects / Applications
Topic: water level with ultrasonic distance meter - error readings
Replies: 15
Views: 1870

Re: water level with ultrasonic distance meter - error readings

@grovkillen Is your friend referring to this kind of application of basic physics? Please take note that I took shortcuts in the description at the righthand side of the drawing. Waterlevel02 [640x480].jpg 'Devil in the details', but the principle setup is simplicity itself and completely passive/co...
by Ton_vN
25 Apr 2019, 14:19
Forum: ESP Easy: Software
Topic: Anemometer/ Frequency Counter
Replies: 5
Views: 788

Re: Anemometer/ Frequency Counter

Inserting also Gust-info in the same graph is only confusing. Therefore a separate graph, which is easy enough with RRDTool. piwind2_20190425 [640x480].png The WS7000_anemometer doesn't provide windgust-info (just 'total wind'), therefore 0 in this graph. For the Conrad-anemometer no software yet to...
by Ton_vN
25 Apr 2019, 10:52
Forum: ESP Easy: Software
Topic: Anemometer/ Frequency Counter
Replies: 5
Views: 788

Re: Anemometer/ Frequency Counter

Suspicion is just a feeling, facts count ...... But in this case the data & graphs confirm my suspicions: the various sensors have a ;) 'very different' interpretation of the actual winds. For this graph Accuweather acts as ExternalReference, but it's speed-info is surprisingly lower than the other ...
by Ton_vN
23 Apr 2019, 09:06
Forum: ESP Easy: Software
Topic: Anemometer/ Frequency Counter
Replies: 5
Views: 788

Re: Anemometer/ Frequency Counter

@Budman Looking at the description of your speedmeter, it could well have inside more or less the integration-circuit which is now on my breadboard-setup: feeding with 12V~24V for strong pulses from the rotator-contact, plus application of some electronics, it is easy to get an output of 0~5V [full ...
by Ton_vN
20 Apr 2019, 18:54
Forum: ESP Easy: Software
Topic: Anemometer/ Frequency Counter
Replies: 5
Views: 788

Anemometer/ Frequency Counter

An electronic anemometer for windspeed quite often applies a 4cup-rotator with a contact-closure/revolution between it's interface-wire_A and interface-wire_B. Cleaning junk, as 'left-over' found such a device (without any documentation), and ;-) that invites for experimentation ..... ESP8266_Anemo....
by Ton_vN
17 Apr 2019, 18:17
Forum: ESP Easy: Hardware
Topic: Reboot cause: WEMOS D1 (clone) voltage regulator ??
Replies: 10
Views: 1427

Re: Reboot cause: WEMOS D1 (clone) voltage regulator ??

Due to 'strange' behaviourof a setup with multiple sensors interfacing to á WEMOS D1_Pro (and then getting 3.3V from the WEMOS), I changed the setup in such way that for power the sensor-PCBs are now bypassing the WEMOS and running from 5V Power Supply as provided by an addon Power-Shield. The subje...
by Ton_vN
14 Apr 2019, 15:02
Forum: Experimental
Topic: Arduino Easy 2560
Replies: 130
Views: 35062

Re: Arduino Easy 2560

Perhaps the following questions are 'experimental', perhaps not? The questions were triggered by the discussion in the previous messages related to multiple sensors connected to 1 processor. Feedback/hints from experience/expert users appreciated. For a remote meteo-setup I would like to connect at ...
by Ton_vN
08 Apr 2019, 11:41
Forum: ESP Easy: General Discussion
Topic: ESPEasy and TSL2561
Replies: 1
Views: 881

Re: ESPEasy and TSL2561

Also looking at ESPEasy and TSL2561. In the Adafruit-info I see that Light and IR can be separately called from TSL2561, but also 'joined' under Broadband and Luminosity. The description in ESPEasy's wiki seems to describe the application of Luminosity. First question Can the Light-, IR- or Broadban...
by Ton_vN
28 Feb 2019, 21:06
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Re: Solar Power Supply

Thanks @Sektflasche Instructive reading! Unchanged WEMOS_Pro + TP4056 + Panel + LiOn-battery seems good solution for my first application: read-out of light levels. ;-) No need to work at night, just need to start at dawn, bridge some darker periods during daytime, and fade out in the evening. In th...
by Ton_vN
26 Feb 2019, 08:53
Forum: ESP Easy: Hardware
Topic: Solar Power Supply
Replies: 60
Views: 3469

Solar Power Supply

DIY is nice & interesting (for technical people) and may save money, but :| sometimes one simply is not willing (or not having the time) to make the effort ...... In that perspective looking for a ready-made solar power supply to 'feed' my ESP8266s. Basic requirements: - suitable for operation outdo...
by Ton_vN
03 Nov 2018, 16:52
Forum: ESP Easy: Software
Topic: ESP Easy and BME280 data
Replies: 6
Views: 1360

Re: ESP Easy and BME280 data

Direct access is better, but if BME280's data on Dew Point cannot be directly accessed, why not use a Dummy Device?
See https://www.letscontrolit.com/wiki/inde ... example.29
by Ton_vN
03 Nov 2018, 10:49
Forum: ESP Easy: Projects / Applications
Topic: NO2&O3-Sensor
Replies: 0
Views: 388

NO2&O3-Sensor

Meteo-sensing is not just temperature, humidity, pressure, wind and rain, but nowadays also more&more dust & gasses. For dust-sensing Luftdaten.info has made a nice setup, even networked, but for gasses a 'simple' setup for 'Citizen Sensing' is still missing. IMHO ESPEasy seems a suitable platform f...
by Ton_vN
18 Aug 2018, 22:54
Forum: ESP Easy: Hardware
Topic: Understanding the GP2Y10
Replies: 26
Views: 5082

Re: Understanding the GP2Y10

@Shardan Completely agreed. My continued running of the GP2Y10 is just due to curiosity. And ;) a certain laziness, because I have to modify the related webpages if I 'sidetrack' the GP2Y10, to put focus on the SDS011. Starting fresh is easy, but it would be nice to keep the data and graphs meanwhil...
by Ton_vN
18 Aug 2018, 18:02
Forum: ESP Easy: Hardware
Topic: Understanding the GP2Y10
Replies: 26
Views: 5082

Re: Understanding the GP2Y10

@TD-er That is not the issue in this thread. I run SDS011 and GP2Y10 side by side (within 10m of each other): see https://www.letscontrolit.com/forum/viewtopic.php?f=5&t=3516&start=10#p27040 The issue is that we cannot see a similarity between the readings from the SDS011 and the readings from GP2Y1...
by Ton_vN
18 Aug 2018, 14:00
Forum: ESP Easy: Hardware
Topic: Understanding the GP2Y10
Replies: 26
Views: 5082

Re: Understanding the GP2Y10

:? Exactly my problem. If I only would know what the device is assumed to be measuring ...... If the GP2Y10-line in the graph would more or less have the same tendencies as the line for SDS011, it already would help a bit, but not even that is applicable. Thinking about possible influences, :idea: a...
by Ton_vN
18 Aug 2018, 13:45
Forum: ESP Easy: Hardware
Topic: Understanding the GP2Y10
Replies: 26
Views: 5082

Re: Understanding the GP2Y10

@manjh Exactly the solution I also implemented. See picture and bigger perspective : - a small fan sucks the air through the 'sensor-pipe' My sensor setup is in open air, outdoors, but protected by a box housing. Initially readings seemed OK, but later much higher values for no clear reason: - fan i...
by Ton_vN
18 Aug 2018, 09:52
Forum: ESP Easy: Hardware
Topic: Understanding the GP2Y10
Replies: 26
Views: 5082

Re: Understanding the GP2Y10

Puzzled by the readings from the GP2Y10 relative to SDS011.

Anybody able to provide explanations on the 'operation' of the GP2Y10?
by Ton_vN
05 Aug 2018, 11:31
Forum: ESP Easy: Projects / Applications
Topic: actual solar power to domoticz
Replies: 7
Views: 2422

Re: actual solar power to domoticz

Perhaps interesting to have a look into this thread
by Ton_vN
04 Aug 2018, 12:14
Forum: ESP Easy: Hardware
Topic: Pulse Counter
Replies: 31
Views: 18917

Re: Pulse Counter

Just a check/question for understanding. The Pulse-Counter-interface of ESPEasy also produces/provides a value Time. What is the content of this value Time? If the ESP8266 is connected to an S0-interface is there any meaningful application of this Time-value e.g. related to calculation of Usage ? Th...
by Ton_vN
04 Aug 2018, 12:03
Forum: ESP Easy: Software
Topic: Number of Counters
Replies: 5
Views: 1408

Re: Number of Counters

By try&error found that with WEMOS ESP8266-PCB the pins D3/GPIO0 and D4/GPIO are the best for counter-application with an S0-interface. At the WEMOS PCB these interfaces have internal pull-up resistors of 10kOhm, and therefore usually for these pins no need for addition of an external pull-up resist...
by Ton_vN
02 Apr 2018, 19:17
Forum: ESP Easy: Hardware
Topic: Understanding the GP2Y10
Replies: 26
Views: 5082

Re: Understanding the GP2Y10

Experimenting with Dust-sensors, in parallel setups with SDS011 and GP2Y10: see http://www.vannwnhzn.nl/Meteo_Dust00E.html Got SDS011 working as expected, but 'puzzled' by GP2Y10. Indoor testing of the GP2Y10-setup showed results which could be explained. After such experience one would expect simil...