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RE: circuit advice
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Hi Paul,
=20
Doubt you=92ll find anything off the shelf for this but if you have
softwar=
e
skills with the Arduino then it will be fairly easy to do this.
=20
The ESP8266 based ESP12E modules would give you a WiFi connection to setup
parameters and most of all it is cheap. As your IO needs are very small,
th=
e
Wemos D1 mini would allow you to get it up and running and testing with a
suitable triac to drive the lamp. Adafruit etc can supply you with a
suitable triac board with a PWM input for this. I assume the lamp itself is
AC 220V?
=20
For doing your own PCB the ESP8266 modules themselves are very easy to use.
I built a number of them to replace my unreliable ZWave and they are still
working away nicely now for almost 2 years.
=20
A quick Google search finds a number of dimmer designs so that might help
t=
o
kick this off.
=20
Dave=85
=20
=20
From: ukha_d@xxxxxxx <ukha_d@xxxxxxx>=20
Sent: Monday, April 23, 2018 9:18 PM
To: ukha_d@xxxxxxx
Subject: [ukha_d] circuit advice
=20
=20=20
This actually is HA related=85 :)
=20
I=92m looking for recommendations for a simple, cheap, auto-fading dimmer
controller=85
=20
It can be mains or low voltage, I don=92t really mind either
It needs to continuously fade-on/fade-off a bulb for a finite & set
period
of time & then stop
Ideally the fade speed should be adjustable
Ideally the dimmer brightness should be adjustable
Ideally the run-time of the fade-on/fade-off cycle should be adjustable
=20
This is for a project I=92m about to undertake. It=92s intended to be an
embedded light, so it really does want to be a simple circuit/device that
can be installed, configured, & then forgotten.
I do already have a few possibilities to investigate, but I=92d appreciate
=
any
pointers, as its difficult to know if I=92ve picked the best search terms=
=85 :)
=20
Anything up to about =A330 =96ish would be fine. I=92ve no problem if
it=92=
s based
on a well-known fruit based microcontroller=85 :)
=20
TIA
=20
Paul G.
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<div class=3DWordSection1><p class=3DMsoNormal><span
style=3D'mso-fareast-l=
anguage:EN-US'>Hi
Paul,<o:p></o:p></span></p><p
class=3DMsoNormal><span sty=
le=3D'mso-fareast-language:EN-US'><o:p> </o:p></span></p><p
class=3DMs=
oNormal><span style=3D'mso-fareast-language:EN-US'>Doubt
you’ll find =
anything off the shelf for this but if you have software skills with the
Ar=
duino then it will be fairly easy to do
this.<o:p></o:p></span></p><p class=
=3DMsoNormal><span
style=3D'mso-fareast-language:EN-US'><o:p> </o:p></=
span></p><p class=3DMsoNormal><span
style=3D'mso-fareast-language:EN-US'>Th=
e ESP8266 based ESP12E modules would give you a WiFi connection to setup
pa=
rameters and most of all it is cheap. As your IO needs are very small, the
=
Wemos D1 mini would allow you to get it up and running and testing with a
s=
uitable triac to drive the lamp. Adafruit etc can supply you with a
suitabl=
e triac board with a PWM input for this. I assume the lamp itself is AC
220=
V?<o:p></o:p></span></p><p
class=3DMsoNormal><span style=3D'mso-fareast-lan=
guage:EN-US'><o:p> </o:p></span></p><p
class=3DMsoNormal><span style=
=3D'mso-fareast-language:EN-US'>For doing your own PCB the ESP8266
modules =
themselves are very easy to use. I built a number of them to replace my
unr=
eliable ZWave and they are still working away nicely now for almost 2
years=
..<o:p></o:p></span></p><p
class=3DMsoNormal><span style=3D'mso-fareast-lang=
uage:EN-US'><o:p> </o:p></span></p><p
class=3DMsoNormal><span style=3D=
'mso-fareast-language:EN-US'>A quick Google search finds a number of
dimmer=
designs so that might help to kick this
off.<o:p></o:p></span></p><p class=
=3DMsoNormal><span
style=3D'mso-fareast-language:EN-US'><o:p> </o:p></=
span></p><p class=3DMsoNormal><span
style=3D'mso-fareast-language:EN-US'>Da=
ve…<o:p></o:p></span></p><p
class=3DMsoNormal><span style=3D'mso-fare=
ast-language:EN-US'><o:p> </o:p></span></p><p
class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><div
=
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in
0=
in'><p class=3DMsoNormal><b><span
lang=3DEN-US>From:</span></b><span lang=
=3DEN-US> ukha_d@xxxxxxx <ukha_d@xxxxxxx>
<br><b>Sent=
:</b> Monday, April 23, 2018 9:18 PM<br><b>To:</b>
ukha_d@xxxxxxx<b=
r><b>Subject:</b> [ukha_d] circuit
advice<o:p></o:p></span></p></div></div>=
<p class=3DMsoNormal><o:p> </o:p></p><p
class=3DMsoNormal> <o:p>=
</o:p></p><div id=3Dygrp-mlmsg><div
id=3Dygrp-msg><div id=3Dygrp-text><div>=
<p class=3DMsoNormal
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt=
:auto'>This actually is HA related… <span
style=3D'font-family:Wingdi=
ngs'>J</span><o:p></o:p></p><p
class=3DMsoNormal style=3D'mso-margin-top-al=
t:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p
class=3DMsoNorma=
l
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I’m
lo=
oking for recommendations for a simple, cheap, auto-fading dimmer
controlle=
r…<o:p></o:p></p><p class=3DMsoNormal
style=3D'mso-margin-top-alt:aut=
o;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p
class=3DMsoNormal sty=
le=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>It can be
mains o=
r low voltage, I don’t really mind
either<o:p></o:p></p><p class=3DMs=
oNormal style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>It
nee=
ds to continuously fade-on/fade-off a bulb for a finite & set
period of=
time & then stop<o:p></o:p></p><p
class=3DMsoNormal style=3D'mso-margi=
n-top-alt:auto;mso-margin-bottom-alt:auto'>Ideally the fade speed should
be=
adjustable<o:p></o:p></p><p class=3DMsoNormal
style=3D'mso-margin-top-alt:=
auto;mso-margin-bottom-alt:auto'>Ideally the dimmer brightness should be
ad=
justable<o:p></o:p></p><p class=3DMsoNormal
style=3D'mso-margin-top-alt:aut=
o;mso-margin-bottom-alt:auto'>Ideally the run-time of the
fade-on/fade-off =
cycle should be adjustable<o:p></o:p></p><p
class=3DMsoNormal style=3D'mso-=
margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p
cla=
ss=3DMsoNormal
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'=
>This is for a project I’m about to undertake. It’s
intended to=
be an embedded light, so it really does want to be a simple circuit/device=
that can be installed, configured, & then
forgotten.<o:p></o:p></p><p =
class=3DMsoNormal
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:au=
to'>I do already have a few possibilities to investigate, but
I’d app=
reciate any pointers, as its difficult to know if I’ve picked the
bes=
t search terms… <span
style=3D'font-family:Wingdings'>J</span><o:p></=
o:p></p><p class=3DMsoNormal
style=3D'mso-margin-top-alt:auto;mso-margin-bo=
ttom-alt:auto'> <o:p></o:p></p><p
class=3DMsoNormal style=3D'mso-margi=
n-top-alt:auto;mso-margin-bottom-alt:auto'>Anything up to about =A330
̵=
1;ish would be fine. I’ve no problem if it’s based on a
well-kn=
own fruit based microcontroller… <span
style=3D'font-family:Wingdings=
'>J</span><o:p></o:p></p><p class=3DMsoNormal
style=3D'mso-margin-top-alt:a=
uto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p
class=3DMsoNormal s=
tyle=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>TIA<o:p></o:p><=
/p><p class=3DMsoNormal
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-=
alt:auto'> <o:p></o:p></p><p
class=3DMsoNormal style=3D'mso-margin-top=
-alt:auto;mso-margin-bottom-alt:auto'>Paul
G.<o:p></o:p></p></div></div></d=
iv></div></div>
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=20=20=20
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