Search found 132 matches

by Wookbert
18 Oct 2023, 14:37
Forum: ESP Easy: Projects / Applications
Topic: Proximity-based relay control to unlock a car using BLE or UWB beacon (like AirTag)?
Replies: 7
Views: 1576

Re: Proximity-based relay control to unlock a car using BLE or UWB beacon (like AirTag)?

As you’ve mentioned the Nordic nRF chip: I’m looking into the Seeed Studio XIAO ESP32C3 (which you’ve mentioned these days, when we discussed the LD2410 implementation), but also came across the Seeed Studio XIAO nRF52840 . (And how does the Chinese ESP32-C3 „Supermini“ compare to the Seeed Studio E...
by Wookbert
17 Oct 2023, 19:56
Forum: ESP Easy: Projects / Applications
Topic: Proximity-based relay control to unlock a car using BLE or UWB beacon (like AirTag)?
Replies: 7
Views: 1576

Re: Proximity-based relay control to unlock a car using BLE or UWB beacon (like AirTag)?

Thanks for your thoughts and comments. I’m not that worried about the iPhone’s BLE signal being recorded by someone. Because a potential, professional thief „interested“ in that BMW i3s would scan for the car’s key fob radio transmission used for BMW’s Keyless Go (aka Comfort Access) option – not a ...
by Wookbert
15 Oct 2023, 03:44
Forum: ESP Easy: Projects / Applications
Topic: Proximity-based relay control to unlock a car using BLE or UWB beacon (like AirTag)?
Replies: 7
Views: 1576

Proximity-based relay control to unlock a car using BLE or UWB beacon (like AirTag)?

I’d like to hack the CDL (central door locking) of my car, in such a way, that when I’m approaching the car and have come close enough, the CDL unlock button inside the car gets triggered once. (Unsure yet, if and as to when it should lock the car when moving away from the car). For additional safet...
by Wookbert
28 Mar 2023, 00:22
Forum: ESP Easy: Software
Topic: How to Send to Controller via Rule (or trigger publish)?
Replies: 1
Views: 764

How to Send to Controller via Rule (or trigger publish)?

I have a Generic HTTP controller with Controller Publish ?id=%mac%&z=%lcltime%&t=%tskname%&p1=%vname1%&v1=%val1%&p2=%vname2%&v2=%val2%&p3=%vname3%&v3=%val3%&p4=%vname4%&v4=%val4% , whereas the device Environment - BMx280 Sends to the Controller with an interva...
by Wookbert
11 Mar 2023, 22:26
Forum: ESP Easy: Hardware
Topic: BMP280 Accuracy – Four sensors, four values – How to calibrate?
Replies: 7
Views: 2270

Re: BMP280 Accuracy – Four sensors, four values – How to calibrate?

I hear a good friend praying the same words. Well, from looking at the pictures, they are selling the exact same China stuff, only more expensive (e.g. here or here ; surprisingly Reichelt — which usually is a bit pricey — is pretty cheap on this item). Advantage is that you can hold them accountabl...
by Wookbert
11 Mar 2023, 21:55
Forum: ESP Easy: Hardware
Topic: BMP280 Accuracy – Four sensors, four values – How to calibrate?
Replies: 7
Views: 2270

Re: BMP280 Accuracy – Four sensors, four values – How to calibrate?

This really comes as surprise. I mean yes, this is China stuff from AliExpress, but how can these sensors be of bad quality unless they are either using a BMP280 knock-offs or Bosch is selling off B or C grade versions of its sensors (which I seriously doubt)? There isn’t much on the boards expect f...
by Wookbert
11 Mar 2023, 20:51
Forum: ESP Easy: Hardware
Topic: BMP280 Accuracy – Four sensors, four values – How to calibrate?
Replies: 7
Views: 2270

Re: BMP280 Accuracy – Four sensors, four values – How to calibrate?

Another observation: As you can see in the following graph, the sensors are wildly jumping. Only Sensor A (which is bread-board mounted) is rather steady and calm. So could this indeed be a cross-talk issue, caused by my wild enamelled copper wiring?

Bildschirm­foto 2023-03-11 um 20.46.49.png
Bildschirm­foto 2023-03-11 um 20.46.49.png (143.45 KiB) Viewed 2255 times
by Wookbert
11 Mar 2023, 17:29
Forum: ESP Easy: Hardware
Topic: BMP280 Accuracy – Four sensors, four values – How to calibrate?
Replies: 7
Views: 2270

BMP280 Accuracy – Four sensors, four values – How to calibrate?

Firmware Build: ESP_Easy_mega_20230306_normal_ESP8266_4M1M Mar 6 2023 I’ve set up four ESP8266 each with a HW-611 BMP280 board (and three of them also with a BH1750) in order to test accuracy. As you can see from the attached screenshots, there’s a huge difference in Temperature between the four bo...
by Wookbert
08 Mar 2023, 11:46
Forum: ESP Easy: Software
Topic: Sluggish ESPEasy Web UI within 24 hrs after booting – Memory leak?
Replies: 1
Views: 733

Sluggish ESPEasy Web UI within 24 hrs after booting – Memory leak?

Setup Wemos D1 mini BMP280 (Temperature and Air Presssure sensor) BH1750 (Ambient Light sensor on GY302 board) Build: ESP_Easy_mega_20230306_normal_ESP8266_4M1M Mar 6 2023 Generic HTTP post controller report active Advanced option: Check I2C devices when enabled (ACTIVE) Advanced option: CPU Eco mo...
by Wookbert
08 Mar 2023, 11:36
Forum: ESP Easy: Hardware
Topic: D1 mini Pro boards (clones) no longer work with 5V external power!? Software issue?
Replies: 72
Views: 61779

Re: D1 mini Pro boards (clones) no longer work with 5V external power!? Software issue?

... shorted pins 5 and 6 (VIO and VDD), and in that way, the voltage supplied to the RST pin is 3.3V no matter how you power the WEMOS board, from an external 5V or USB, and the board works just fine. It can be programmed via USB, ... Question from a non-expert: „can be programmed via USB“ means a ...
by Wookbert
31 May 2022, 18:13
Forum: ESP Easy: Software
Topic: Off-topic: Combining LittleFS and Firmware binary for OTA?
Replies: 4
Views: 3818

Re: Off-topic: Combining LittleFS and Firmware binary for OTA?

@TD-er: Just to avoid confusion: @dexamenos is my partner in crime, coconspirator and the one who’s actually coding. I'm just the one who comes up with the nutty ideas.
by Wookbert
31 May 2022, 01:57
Forum: ESP Easy: Software
Topic: Off-topic: Combining LittleFS and Firmware binary for OTA?
Replies: 4
Views: 3818

Off-topic: Combining LittleFS and Firmware binary for OTA?

@TD-er I'm sorry for asking this here, but you are probably familiar with this question: Is there a way LittleFS and Firmware binary so it suits the 4 MB ESP8266 Over-the-air (OTA) update? I'm talking Arduino in general. I saw that the ESPressif Download tool has a Combine feature , but that creates...
by Wookbert
09 Feb 2022, 01:49
Forum: ESP Easy: Hardware
Topic: Experience of using Solid State Relay Boards?
Replies: 6
Views: 14732

Re: Experience of using Solid State Relay Boards?

Here’s a closer look at the PCB of this 2-Channel SSR Board, which can carries the model name HY-M284. It’s impossible to find a genuine, official datasheet nor schematic. The best/closest match I was able to find is the schematic shown below of a very similar looking module from sainsmart.com. HY-M...
by Wookbert
08 Feb 2022, 13:10
Forum: ESP Easy: Hardware
Topic: Experience of using Solid State Relay Boards?
Replies: 6
Views: 14732

Re: Experience of using Solid State Relay Boards?

Oetsch wrote: 11 Nov 2020, 16:13 Will see if it works...
So what’s the outcome? Did you connect the SSR directly to the ESP8266 D1 mini in the end or did you add additional circuitry?
by Wookbert
04 Dec 2021, 03:34
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

Quick peek. Making good progress. We noticed some major crosstalk with the buttons being attached to GPIO 36 & 39 (SensVP & SensVN) and the 10K resistors to 3V3 made those GPIO constantly fire. We kept the third (not pictured button) on GPIO D34, but moved the buttons from D36 & D39 to D...
by Wookbert
26 Nov 2021, 07:42
Forum: ESP Easy: Hardware
Topic: PC fan control with ESP8266 – 3-pin or 4-pin PWM fans?
Replies: 2
Views: 6997

PC fan control with ESP8266 – 3-pin or 4-pin PWM fans?

I need to build a silencer box for a projector, which will have 4 PC fans (12V), same speed (parallel wiring?), so no individual control needed. I assume they’ll need to run at full speed, but just in case: If I want to have the option to control the speed (based on the temperature inside the silenc...
by Wookbert
20 Nov 2021, 00:49
Forum: ESP Easy: Hardware
Topic: Relay Shields: Audible switching but not releasing!? (... you read correct)
Replies: 2
Views: 5141

Relay Shields: Audible switching but not releasing!? (... you read correct)

I have experiencing something I can't explain to myself: I've bought a couple of those Wemos D1 mini compatible Relay shields on AliExpress, which sometimes have problems „to let go“. When turning off via http request, they click audible and ESPEasy displays the state correctly as being [0], yet the...
by Wookbert
18 Nov 2021, 16:42
Forum: ESP Easy: Software
Topic: Replace individual files via USB + ESPtool or comparable?
Replies: 4
Views: 5017

Re: Replace individual files via USB + ESPtool or comparable?

Plain Arduino. Fully aware, that one can’t send anything via WiFi to the ESP, if it’s not connected to the WLAN 😂. That’s why I mentioned USB.
by Wookbert
18 Nov 2021, 15:50
Forum: ESP Easy: Software
Topic: Replace individual files via USB + ESPtool or comparable?
Replies: 4
Views: 5017

Replace individual files via USB + ESPtool or comparable?

Not specifically an ESPEasy questions, more general: Is it possible to send a text file containing SSID and WPA2/3 password via USB to an ESP32 (which previously has been flashed with the necessary binaries), so that on the next boot cycle it connects to that WLAN? We’d like to avoid the Wireless Ac...
by Wookbert
15 Nov 2021, 15:21
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

If we figure out that Hall Sensors can’t be handled reliably enough, then we’ll probably will look into an optoelectronical solution (as you already had mentioned before), such as a piece of reflective tin foil and e.g. the Vishay CNY70.
by Wookbert
15 Nov 2021, 14:32
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

Hall Sensors Well, those are totally new to me personally, will have to see how that works. Saw that there are for different types: bipolar , unipolar , omnidirectional and linear. The first two I understand, the second two I couldn't find any video explanation. The magnets in the wheel which drive...
by Wookbert
15 Nov 2021, 05:38
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

Boy, this is getting crazy.... Here’s the latest revision. We (myself and my mentioned partner in crime) also came to the conclusion that Arduino is probably the better platform to implement all those features. Still we'd appreciate your feedback/input. Hall Sensors: We've seen that the majority of ...
by Wookbert
13 Nov 2021, 21:06
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

I don't know how fast a Hall effect sensor may react and I don't know what the effect of fast moving magnets is near electronic circuits... Well I do have some idea about it and I don't think it is a very good idea ;) Maybe adding a light diode and a LED to count pulses is a better idea? Either ref...
by Wookbert
13 Nov 2021, 20:10
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

Also a good idea to twist those cables to the switches if they are a bit longer. (whenever you can twist it, it is a good idea to do so) As I'll also have the LED wires going to each button (so LED + switch signal): Are we talking 4x1 twisted or 2x2 twisted? P.S.: My partner in crime is getting meg...
by Wookbert
13 Nov 2021, 19:12
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

TD-er wrote: 13 Nov 2021, 11:22 Not sure if those "input only" pins can be set to have a pull-up resistor.
Does this schematic and this schematic, respectively the ESP32-WROOM-32 datasheet answer that question?
by Wookbert
13 Nov 2021, 06:22
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

Connect each of them to 3V and see what happens. If they light up, and you like the brightness, then it is your lucky day. The brightness is OK at 5V, but I assume that they might be too dark at 3V3. Or should I drive them with 12V using MOSFETs? That should be your fallback plan. Would be great if...
by Wookbert
13 Nov 2021, 04:58
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

Sorry for pestering you folks, and once again thanks a lot for your patience and support! So, here’s the latest revision, now based on the ESP32. According to your Wiki section Best pins to use on ESP3 2, GPIOs 16 to 36 seem to be pretty unproblematic. 34,35, 36 (and 39) are input only, so I connect...
by Wookbert
12 Nov 2021, 17:02
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

Thank a lot! The new readthedocs documentation clearly lacks some pictures, that's why I most of the time fall back to the old wiki.
by Wookbert
12 Nov 2021, 16:49
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

Googled and also realized that ESP32-S2 means a different Espressif chip. But again: What about the different NodeMCU board versions? Is the v1 I just ordered good to go? Or why better go for v2 or v3? Also: Where can I find info on the boot state of the individual pins (high vs. low) of the ESP32 N...
by Wookbert
12 Nov 2021, 16:19
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

Just ordered this ESP32 NodeMCU v1. Proper choice?

S2 = v2? Saw that there are NodeMCU boards v1, v2, v3 and even v4 available... Pretty confusing, as the ESPEasy hardware compatibility list doesn't list v1, but only v2 and v3.
by Wookbert
12 Nov 2021, 11:57
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

To make things more complicated: The 3 push buttons shown in my diagram are optionally LED backlit. It would be a nice UI gimmick, if they e.g. would blink/pulse when the respective controlled device is running (so IPA washer motor/UV LED chamber). As all GPIO are occupied, question is how this coul...
by Wookbert
12 Nov 2021, 10:56
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

I noticed that the relay shield is setup to use GPIO-D1, but your design has it on D2. So I suggest revising the drawing by swapping D1 with D2 (on the Wemos). That will allow the relay shield's signals to mate correctly with the Wemos D1 Mini. The relay shields I have are version 2, which can be c...
by Wookbert
12 Nov 2021, 01:39
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

So based on Thomas’ explanations, I replaced the L298H board with a ZK-5AD, which contains two TA6586 H-bridges, and requires only 4 GPIOs instead of 6. Board arrived yesterday. Here’s the revised/resulting schematic. If understood correctly the Wemos relay shield, which I added to switch the UV-LED...
by Wookbert
30 Oct 2021, 02:17
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

Sorry to pester you again, but I have little to no clue on electronics:
  • That IRLZ44 looks a bit overkill to me. Can I use something smaller/cheaper in TO-92-3 package? BC547C? BC548C? BC337-40?
  • Also: Which diode exactly?
by Wookbert
29 Oct 2021, 22:38
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

I might need to walk anyway, as I’m thinking about getting a small heat sink for the Vreg. No idea how critical that is.
by Wookbert
29 Oct 2021, 22:28
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

1. D0 (Piezo drive) does not support PWM. So swap it with D8 (ensure motor 2 Start switch is open at boot!). Change 220 ohm to higher value, 4.7K - 10K ohms. 2. D1 & D2 will float during boot/reset, which may cause motors to momentarily run. Install 10K pull-down resistors to prevent this. Can ...
by Wookbert
29 Oct 2021, 17:32
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

For example, the first posted image at the top of this discussion is a board that uses a pair of TA6586 H-bridge chips. It requires only four control lines to control two motors, which saves two GPIO for other things. Also, there are DC motor control ICs out there that can do it via two wires (I2C)...
by Wookbert
29 Oct 2021, 11:28
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

Those two switches aren’t limiter switches, but simply push buttons to start the timer. This setup is for impellers at the bottom of two 18 liter containers filled with isopropanol, which are driven – magnetically attached – by geared, 210 rpm max. DC motors below the containers. The messy 3d resin...
by Wookbert
28 Oct 2021, 21:04
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

So, here’s the revision based on Thomas’ feedback. Better?
I’ll attach a small heat sink to the L298N’s Vreg, just to be on the safe side.
Washing Station Impeller Controller (Rev-B).png
Washing Station Impeller Controller (Rev-B).png (834.18 KiB) Viewed 20077 times
by Wookbert
28 Oct 2021, 18:15
Forum: ESP Easy: Projects / Applications
Topic: HTTP Get Stream -- ESPEasy Plugin Advice Needed
Replies: 68
Views: 30589

Re: HTTP Get Stream -- ESPEasy Plugin Advice Needed

Can we get an update? Have the feathered beasts learned their lesson? Have they left the country with Thanksgiving ahead?
by Wookbert
28 Oct 2021, 18:02
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

So here’s my intended design: Washing Station Impeller Controller.png Does this work? Am I missing something? Questions are: Do I need to implement a 3V3<–>5V Logic Level Shifter between the ESP’s GPIO pins and the L298N’s control pins? Got a TXS0108E board at hand. Do I need to add external pull-do...
by Wookbert
25 Oct 2021, 14:02
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

I need it to control runtime and speed of a magnetically driven impeller inside an 18 Liter Isopropanol-filled container to wash 3d resin printed parts prior to UV curing. It would be nice if you add a soft-start option, where one can set the target speed/% value and a number of seconds it takes to ...
by Wookbert
22 Oct 2021, 05:25
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Re: Firmware Support for L298H Bridge Boards?

Actually, impatient as I am, just ordered two of these:
H3e244f695bb044a3a59ab2050b232237y.jpg
H3e244f695bb044a3a59ab2050b232237y.jpg (127.98 KiB) Viewed 20311 times
H02a691be618a408080e9c3f4f3ecdd224.jpg
H02a691be618a408080e9c3f4f3ecdd224.jpg (295.36 KiB) Viewed 20311 times
He87df4f5e5d0492389d4355368580f01w.jpg
He87df4f5e5d0492389d4355368580f01w.jpg (230.45 KiB) Viewed 20306 times
by Wookbert
22 Oct 2021, 04:47
Forum: ESP Easy: Hardware
Topic: Firmware Support for L298H Bridge Boards?
Replies: 53
Views: 21648

Firmware Support for L298H Bridge Boards?

I need to control to small 12V DC motors with speed, direction and timer values, and could imagine using ESPEasy for that. I came across the L298N H Bridge board , which seem to be a good companion for my application. Is this supported in firmware somehow, comparable to the Adafruit Motor Shield v2 ...
by Wookbert
11 Oct 2021, 19:06
Forum: ESP Easy: Projects / Applications
Topic: HTTP Get Stream -- ESPEasy Plugin Advice Needed
Replies: 68
Views: 30589

Re: HTTP Get Stream -- ESPEasy Plugin Advice Needed

Only problem is that it might get icy/slippery in winter. Hopefully they’ve learned their lesson by then.
by Wookbert
09 Oct 2021, 10:34
Forum: ESP Easy: Projects / Applications
Topic: HTTP Get Stream -- ESPEasy Plugin Advice Needed
Replies: 68
Views: 30589

Re: HTTP Get Stream -- ESPEasy Plugin Advice Needed

Make sure the camera gets triggered by the motion detection and records in real-time (24 fps min.) 🙃
by Wookbert
07 Oct 2021, 00:11
Forum: ESP Easy: Projects / Applications
Topic: HTTP Get Stream -- ESPEasy Plugin Advice Needed
Replies: 68
Views: 30589

Re: HTTP Get Stream -- ESPEasy Plugin Advice Needed

No duties (as they are paid through Amazon) and delivery was less than a week. The OSS (one stop shop) EU regulation introduced on July 1, 2021 requires AliExpress, ebay, Amazon and other platforms to collect taxes (and customs?) from foreign/Chinese sellers, which previously didn't pay any tax at ...
by Wookbert
06 Oct 2021, 23:53
Forum: ESP Easy: Projects / Applications
Topic: HTTP Get Stream -- ESPEasy Plugin Advice Needed
Replies: 68
Views: 30589

Re: HTTP Get Stream -- ESPEasy Plugin Advice Needed

Speaking of AliExpress products "shipping from the USA" my experience has shown that it's not what you think. The items are still packed in China, but parcels are consolidated and freight forwarded to the USA. Upon arrival at a USA based third party shipper, the boxed orders are separated...