From 86beb072124bb221c586ec6aecc3d3d294567c28 Mon Sep 17 00:00:00 2001
From: rdkartono <rdkartono@galva.co.id>
Date: Mon, 21 Jul 2025 11:29:58 +0700
Subject: [PATCH] first commit 21/07/2025

---
 main.py | 100 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 main.py

diff --git a/main.py b/main.py
new file mode 100644
index 0000000..ea451b5
--- /dev/null
+++ b/main.py
@@ -0,0 +1,100 @@
+from machine import Pin
+from time import sleep
+import sys
+
+# Pin definition
+R1 = Pin(14, Pin.OUT)
+R2 = Pin(13, Pin.OUT)
+R3 = Pin(12, Pin.OUT)
+R4 = Pin(11, Pin.OUT)
+R5 = Pin(10, Pin.OUT)
+
+# State definition
+# untuk kondisi active low atau active high
+ON = 0
+OFF = 1
+
+def relay_control(id, isON):
+    if id == 1 :
+        R1.value(ON if isON else OFF)
+        print("R1","ON" if isON else "OFF")
+    elif id==2 :
+        R2.value(ON if isON else OFF)
+        print("R2","ON" if isON else "OFF")
+    elif id==3 :
+        R3.value(ON if isON else OFF)
+        print("R3","ON" if isON else "OFF")
+    elif id==4 :
+        R4.value(ON if isON else OFF)
+        print("R4","ON" if isON else "OFF")
+    elif id==5 :
+        R5.value(ON if isON else OFF)
+        print("R5","ON" if isON else "OFF")
+    else:
+        print("Invalid ID")
+        
+def all_on():
+    for i in range(1,6): # 1..5
+        relay_control(i,True)
+    
+def all_off():
+    for i in range(1,6): # 1..5
+        relay_control(i,False)
+        
+def init_relay():
+    # first boot
+    all_off()
+
+    # nyalain satu per satu dengan interval 5 detik
+    sleep(5)
+    for i in range(1,6): # 1 .. 5
+        relay_control(i,True)
+        sleep(5)
+    
+init_relay()
+
+while True:
+    line = sys.stdin.readline() # reads until \n
+    if not line:
+        # nothing received
+        sleep(0.01)
+        continue
+    cmd = line.strip().upper()
+    
+    # valid command Rx=ON for ON
+    # valid command Rx=OFF for OFF
+
+    if len(cmd) < 5 :
+        # so minimum cmd length is 5 bytes
+        continue
+    if len(cmd) > 6 :
+        # so maximum cmd length is 6 bytes
+        continue
+    
+    if cmd == "RX=ON":
+        all_on()
+    elif cmd == "RX=OFF":
+        all_off()
+    elif cmd == "R1=ON":
+        relay_control(1,True)
+    elif cmd == "R1=OFF":
+        relay_control(1,False)
+    elif cmd == "R2=ON":
+        relay_control(2,True)
+    elif cmd == "R2=OFF":
+        relay_control(2,False)
+    elif cmd == "R3=ON":
+        relay_control(3,True)
+    elif cmd == "R3=OFF":
+        relay_control(3,False)
+    elif cmd == "R4=ON":
+        relay_control(4,True)
+    elif cmd == "R4=OFF":
+        relay_control(4,False)
+    elif cmd == "R5=ON":
+        relay_control(5,True)
+    elif cmd == "R5=OFF":
+        relay_control(5,False)
+    elif cmd == "REINIT":
+        init_relay()   
+