8 Kanal Relais
PICO W in Verbindung mit 8 KANAL RELAIS (Skript vom Hersteller und anderen OpenSource Quellen) , welches per Website von einem beliebigen PC eingeschaltet werden kann.
Man startet das Listing, schaut in Thonny nach der IP Adresse, unter der der PICO W erreichbar ist und kann diese im Browser eingeben.
Danach erhält man folgende Oberfläche angezeigt:
Skript: Download
import network, array, time
import socket
import rp2
from time import sleep
from machine import Pin,PWM, RTC
ssid = 'wlan name'
password = 'wlan passwort'
website = """<!DOCTYPE html>
<html>
<head> <title>Raspberry Pi Pico W</title> </head>
<style>
label{width:120px; display:inline-block}
</style>
<body>
<h1>controll leds</h1>
<p><label>Kanal 1</label><input type='button' value='toggle' onclick='toggleLed("gelb")'/>
<label> Kanal 1 Aus</label><input type='button' value='toggle' onclick='toggleLed("geaus")'/>
<p><label>Kanal 2</label><input type='button' value='toggle' onclick='toggleLed("blau")'/>
<label>Kanal 2 Aus</label><input type='button' value='toggle' onclick='toggleLed("blaus")'/>
<br/>
<p><label>Kanal 3</label><input type='button' value='toggle' onclick='toggleLed("gruen")'/>
<label>Kanal 3 Aus</label><input type='button' value='toggle' onclick='toggleLed("graus")'/>
<br/>
<p><label>Kanal 4</label><input type='button' value='toggle' onclick='toggleLed("rot")'/>
<label>Kanal 4 Aus</label><input type='button' value='toggle' onclick='toggleLed("raus")'/>
<br/>
<p><label>Kanal 5</label><input type='button' value='toggle' onclick='toggleLed("fuenf")'/>
<label>Kanal 5 Aus</label><input type='button' value='toggle' onclick='toggleLed("faus")'/>
<br/>
<p><label>Kanal 6</label><input type='button' value='toggle' onclick='toggleLed("sechs")'/>
<label>Kanal 6 Aus</label><input type='button' value='toggle' onclick='toggleLed("seaus")'/>
<br/>
<p><label>Kanal 7</label><input type='button' value='toggle' onclick='toggleLed("sieben")'/>
<label>Kanal 7 Aus</label><input type='button' value='toggle' onclick='toggleLed("siaus")'/>
<br/>
<p><label>Kanal 8</label><input type='button' value='toggle' onclick='toggleLed("acht")'/>
<label>Kanal 8 Aus</label><input type='button' value='toggle' onclick='toggleLed("acaus")'/>
<br/>
<script>
function toggleLed(led){
var xhttp = new XMLHttpRequest();
xhttp.open('GET', '/led/'+led, true);
xhttp.send();
}
</script>
</body>
</html>
"""
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect(ssid, password)
max_wait = 10
print('Warte auf Verbindung')
while max_wait > 10:
if wlan.status() < 0 or wlan.status() >= 3:
break
max_wait -= 1
sleep(1)
status = None
if wlan.status() != 3:
raise RuntimeError('Aufbau der Verbindung fehlgeschlagen!')
else:
status = wlan.ifconfig()
print('Verbindung zu', ssid,'erfolgreich aufgebaut!', sep=' ')
print('IP-Adresse: ' + status[0])
ipAddress = status[0]
addr = socket.getaddrinfo('0.0.0.0', 80)[0][-1]
s = socket.socket()
s.bind(addr)
s.listen(1)
NUM_LEDS = 1
PIN_NUM = 13
pwm = PWM(Pin(6))
pwm.freq(1000)
rtc = RTC()
datetime = rtc.datetime()
@rp2.asm_pio(sideset_init=rp2.PIO.OUT_LOW, out_shiftdir=rp2.PIO.SHIFT_LEFT, autopull=True, pull_thresh=24)
def ws2812():
T1 = 2
T2 = 5
T3 = 3
wrap_target()
label("bitloop")
out(x, 1) .side(0) [T3 - 1]
jmp(not_x, "do_zero") .side(1) [T1 - 1]
jmp("bitloop") .side(1) [T2 - 1]
label("do_zero")
nop() .side(0) [T2 - 1]
wrap()
class NeoPixel(object):
def __init__(self,pin=PIN_NUM,num=NUM_LEDS,brightness=0.8):
self.pin=pin
self.num=num
self.brightness = brightness
# Create the StateMachine with the ws2812 program, outputting on pin
self.sm = rp2.StateMachine(0, ws2812, freq=8_000_000, sideset_base=Pin(PIN_NUM))
# Start the StateMachine, it will wait for data on its FIFO.
self.sm.active(1)
# Display a pattern on the LEDs via an array of LED RGB values.
self.ar = array.array("I", [0 for _ in range(self.num)])
self.ch1 = Pin(21,Pin.OUT)
self.ch2 = Pin(20,Pin.OUT)
self.ch3 = Pin(19,Pin.OUT)
self.ch4 = Pin(18,Pin.OUT)
self.ch5 = Pin(17,Pin.OUT)
self.ch6 = Pin(16,Pin.OUT)
self.ch7 = Pin(15,Pin.OUT)
self.ch8 = Pin(14,Pin.OUT)
##########################################################################
def Relay_CHx(self,n,switch):
if switch == 1:
n.high()
else:
n.low()
strip = NeoPixel()
while True:
try:
cl, addr = s.accept()
print('Verbindung vom Client ', addr, "angenommen!")
request = cl.recv(1024)
request = str(request)
req_state_led_gelb = request.find('/led/gelb') == 6
req_state_led_geaus = request.find('/led/geaus') == 6
req_state_led_blau = request.find('/led/blau') == 6
req_state_led_blaus = request.find('/led/blaus') == 6
req_state_led_gruen = request.find('/led/gruen') == 6
req_state_led_graus = request.find('/led/graus') == 6
req_state_led_rot = request.find('/led/rot') == 6
req_state_led_raus = request.find('/led/raus') == 6
req_state_led_fuenf = request.find('/led/fuenf') == 6
req_state_led_faus = request.find('/led/faus') == 6
req_state_led_sechs = request.find('/led/sechs') == 6
req_state_led_seaus = request.find('/led/seaus') == 6
req_state_led_sieben = request.find('/led/sieben') == 6
req_state_led_siaus = request.find('/led/siaus') == 6
req_state_led_acht = request.find('/led/acht') == 6
req_state_led_acaus = request.find('/led/acaus') == 6
if req_state_led_gelb == True:
strip.Relay_CHx(strip.ch1,1)
print("1A")
if req_state_led_geaus == True:
strip.Relay_CHx(strip.ch1,0)
print("1B")
if req_state_led_blau == True:
strip.Relay_CHx(strip.ch2,1)
print("2A")
if req_state_led_blaus == True:
strip.Relay_CHx(strip.ch2,0)
print("2B")
if req_state_led_gruen == True:
strip.Relay_CHx(strip.ch3,1)
print("3A")
if req_state_led_graus == True:
strip.Relay_CHx(strip.ch3,0)
print("3B")
if req_state_led_rot == True:
strip.Relay_CHx(strip.ch4,1)
print("4A")
if req_state_led_raus == True:
strip.Relay_CHx(strip.ch4,0)
print("4B")
if req_state_led_fuenf == True:
strip.Relay_CHx(strip.ch5,1)
print("5A")
if req_state_led_faus == True:
strip.Relay_CHx(strip.ch5,0)
print("5B")
if req_state_led_sechs == True:
strip.Relay_CHx(strip.ch6,1)
print("6A")
if req_state_led_seaus == True:
strip.Relay_CHx(strip.ch6,0)
print("6B")
if req_state_led_sieben == True:
strip.Relay_CHx(strip.ch7,1)
print("7A")
if req_state_led_siaus == True:
strip.Relay_CHx(strip.ch7,0)
print("7B")
if req_state_led_acht == True:
strip.Relay_CHx(strip.ch8,1)
print("8A")
if req_state_led_acaus == True:
strip.Relay_CHx(strip.ch8,0)
print("8B")
html = website
cl.send('HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n')
cl.send(html)
cl.close()
except OSError as e:
cl.close()
print('connection closed')
# ©Bernd Thul