Post about your Basic project here

Moderator: Mmiscool

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By forlotto
#51393 Warning: When dealing with Live AC be sure that you have the correct certifications and are aware of safety etc. By reading any further you agree that no one should be held liable in the event of injury, death, or any kind of loss etc... This is for informational purposes if you try this all responsibility falls on you the user of this.

Items required for this project:
- 5v 2A Power Supply: Get them HERE I prefer these you can desolder the usb port and place a 4pin male header on the board and they provide solid enough power for anything I used.

- Nodemcu: If you wish to support basic get them HERE!!!All proceeds go into improving espbasic!!! if you need to keep costs down and wish to support espbasic by donation instead Purchase them from HERE! #1 supplier free 2day ship!

- IOT AC PWM Dimmer Module: Get it Here!

- Dupont Female To Female Jumper Wire: Get it HERE free 2day ship!

A little back story:

I have done a previous dimmer project. Did not realize it but I ran into an issue after installation as my testing was rather short and sweet since then I have spent hundreds of dollars trying to find the right product or combinations of products. This project incorporates the dimmer board that actually does the job finally a flicker free dimming experience! It is important to note that not all bulbs are made the same but for my example I am using walmart great value brand dimmable 100 watt equivalent daylight light bulbs. These bulbs have a good high a good mid range and a good low range of dimming it is important to test your bulbs there is a range from roughly 20 to 10% that this bulb does not allow smooth dimming but after substantial research I have found that this is due to the bulb and not the dimmer board. A regular incandescent for instance has zero flicker at all.

Another reason why this dimmer is awesome is you do not need to wait for basic to load for your light to turn on. So if you use this in conjunction with your light switch on your wall there is ZERO yes 0 wait time this was another huge selling point for me.

Now here is a video of the item after it has arrived in the mail unpacking:

How to hook your project up and start dimming:

First you start with your Nodemcu and load esp8266 basic to it.

Note this video was shot a while ago all code below is for version 3.x!!! keep this in mind when flashing.

Once basic is loaded we can proceed to hook up the connections as follows:

5v power supply POSITIVE ---> VIN on nodemcu
5v power supply COMMON GND ----> GND on nodemcu
IOT Dimmer VCNT ----> D5 on nodemcu
IOT Dimmer GND ------> GND on nodemcu
IOT Dimmer VCC -------> 3V on nodemcu

You may choose to bond all grounds to make sure they are all common to make sure there are no issues.

Next you take a 2 pin NEMA based plugin and hook it to AC input screw downs on IOT Dimmer Board
Next hook your light fixture to AC output or "load" screws on IOT Dimmer board!

Warning!!!! Be sure that there are no strands of wire or bare wire showing as this could cause a fire or arcing etc as I said before all of you reading are responsible for your own actions no mater age, sex, creed, religion etc.. If you are reading this be sure you are aware all liabilities are your own. While this is a high quality product with all components sourced from certified dealers it is possible that a user without the appropriate knowledge or safety could have loss of life or loss of property etc... Do not try this at home and be sure to consult your local electrician to see if this product meets all standards codes etc... I by reading I assume Zero responsibility even in the event of a faulty unit. If you do not agree do not read this information.

Now here is a video of how to find the range of your bulb:

Below is the code I used to find my lights range simply by plugging in a number from 0 to 890 I was able to find the operating range of these particular LED Light Bulbs.
High Range for me was 300
Mid Ranges for me was 400 - 750
Flicker Region was 750 - 780
Low Ranges 800 - 830

Code: Select allcls
let pinNo = D5
let Brightness = 890
print "Control PIN"
textbox pinNo
print " Brightness"
textbox Brightness
button " Set Brightness ",  [SetBrightness]
button " Exit ",  [TestExit]



After I found my ranges I plugged in the information and crafted a 3 Level Dimmer button based.

Code: Select allwprint "LEVEL 1 BRIGHT "
 button "LEVEL 1", [Highest]
wprint "LEVEL 2 MIDDLE"
button "LEVEL 2", [Midrange]
wprint "LEVEL 3 DIM "
button "LEVEL 3", [Dimmest]
wprint "OFF"
button "OFF", [LightOFF]


You get the picture you can have buttons in this manner you can use any values you want here.

Now optionally you can also do a slider and the slider code is as follows:
Code: Select allwprint "Dim Light:  BRIGHT"
slider x, 300, 836
wprint "DIM"
button "SET", [set.pwm]


All code is for version 3.x branch of esp8266 basic.

I hope you folks enjoy and if you really enjoy swing me some dogecoin links in my signature 25 cents for 1000 coins on 1 coin will do better than a thumbs up! or donate to basic get involved share something etc... Whatever just jump in and start making this thing as great as it is.
Last edited by forlotto on Sat Aug 13, 2016 10:41 pm, edited 2 times in total.
User avatar
By forlotto
#51451 Okay folks finished up my project and did a full presentation on how to go about Dimming AC finally a flicker free option works better than any store purchased solution.

Optionally you can also code up a phone application using MIT APP INVENTOR this is what I ended up doing this is the best solution out there I have spent quite a bit of money trying to figure this out and many dimmer boards later and dimmer setups I finally arrived at something that works extremely well!

Hope you folks save a ton of money not going through the tests I did and are happy with the project I shared here!

User avatar
By forlotto
#51565 Updated link to IOT dimmer board sorry about this I seen a lot of folks tried to purchase I messed up with QTY in listing.
User avatar
By forlotto
#54556 If light is LED and has been full on for an extended period of time OFF value may shift by a value of 1 if using the previous red board 4.1.1 this is a small difference I have seen in 4.1.1 vs the blue 4.1.3 board.