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Author Topic: Smartphone Elektor application RGB control Vs esp8266  (Read 344 times)
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gianmagna
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« on: February 25, 2021, 03:11:22 15:11 »

In this project I have reused an ELEKTOR APP. Elektor December 2016
The original design used an atmel328p and an ESP-01 module as hardware.

I used an ESP-01 module in combination with a PIC 16f1827and with the AT commands
I adjusted the outputs of the RGB PWM and the OUT pins as in the project that I present.
The difference lies in the ESP module and in the use of a much more interesting software.
I used a Wemos D1 Mini a 74hc595, uln2803 driver and a mosfet for RGB outputs;

you can also delete the 74hc595 and use all the bits directly on the module esp.

Other port expansion circuits can also be used, in I2C (Ex: PCF8574) or in SPI (Ex: CD4094) and more.
So I simplified the hardware of the first project.


basic esp code:
'******************************************************************************
'    Programma di controlo RGB e 8 OUT con APP WIFI CONTROL
'    estratto della rivista Elektor Dicembre 2016
'    che utilizzava  ATMEL328P e MODULO ESP-01
'    
'    Programma per moduli ESP12-E  ESP12-F
'    link App di Elektor
'    https://play.google.com/store/apps/details?id=com.elektor.wificontrol
'    link esp basic
'    https://sites.google.com/site/annexwifi/home
'    link esp basic help
'    https://cicciocb.com/annexhelp/V1.42//?topic=
'
'    Date    : 3/05/2020    
'    Autori gianmagna & son
'++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
D0=16:D1=5:D2=4:D3=0:D4=2:D5=14:D6=12:D7=13:D8=15:D9=3:D10=1
x = 0
Dim abc$(80)
pin.mode 16,Output        'CS per SPI
spi.setup 100000

onUrlMessage urlAjax
Wait
urlAjax:
wlog "message received " + UrlMsgGet$()

'message received example
':80/?m1=&P1=1&P2=1&P3=1&P4=1&P5=1&P6=1&P7=1&P8=1&s=&Rv=84&Gv=173&Bv=86 (all OUT 1 + rgb)
'message received
':80/?m1=&s=&Rv=84&Gv=173&Bv=86 (all OUT 0 + RGB)

abc$ = UrlMsgGet$()  'lettura messaggio

'catturo il valore se 0 o 1
P1 = val(UrlMsgGet$("P1"))
P2 = val(UrlMsgGet$("P2"))
P3 = val(UrlMsgGet$("P3"))
P4 = val(UrlMsgGet$("P4"))
P5 = val(UrlMsgGet$("P5"))
P6 = val(UrlMsgGet$("P6"))
P7 = val(UrlMsgGet$("P7"))
P8 = val(UrlMsgGet$("P8"))

'catturo il valore di R G B
r =  val(UrlMsgGet$("Rv"))
v =  val(UrlMsgGet$("Gv"))
b =  val(UrlMsgGet$("Bv"))

wlog p1, p2 ,p3, p4, p5, p6, p7, p8 ' visualizzo i pin

wlog r, v, b ' visualizzo R G B

'sul Modulo 12-F e' possibile usare questi pin direttamente sulle uscite

X = 0

'P1 TO P8 representano lo stato di ogni pin
If P1 = 1 Then X = X Or 1
If P2 = 1 Then X = X Or 2
If P3 = 1 Then X = X Or 4
If P4 = 1 Then X = X Or 8
If P5 = 1 Then X = X Or 16
If P6 = 1 Then X = X Or 32
If P7 = 1 Then X = X Or 64
If P8 = 1 Then X = X Or 128

wlog X    ' valore del byte con i pin attivi
' qui e' possibile usare SPI con 74hc595  e I2C PCF8574

pin(16) = 0  ' CS LOW  pin 14 del 74hc595
X = spi.Byte(X)
pin(16) = 1    ' CS High carico il latch del 74hc595
pin(16) = 0    ' CS Low  74hc595
'pwm values are 0 to 1023, but R,G,B values are only 0 to 255, so need multiplying by 4 to match
PWM(12) = r * 4  
PWM(15) = v * 4
PWM(2)  = b * 4
URLMSGRETURN "ok"

Return
End
'************************************************************************
The application can be downloaded from this link:
https://play.google.com/store/apps/details?id=Com.elektor.wificontrol

Once installed, the APP only requires the IP address of the receiver and automatically puts the door: 80
In our case we have to add the IP address + "/ msg?" And that's it!
For example: (192.168.1.35/msg?)
Then select the bits you want to turn on and the color sliders
Press SEND

photo
https://ibb.co/bd7Xr2m
https://ibb.co/JxqyQbt
https://ibb.co/VCg3rgK
https://ibb.co/kSzYjXB

available for explanations

Gianmagna

« Last Edit: March 04, 2021, 08:54:48 20:54 by gianmagna » Logged
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