Use your phone as a camera by termux, if something comes against your camera it detects it and starts to take photos over and over, make video of them, send message to your phone, call you and even send photos and videos to your telegram! Enjoy it..

SecCam.py

from PIL import Image, ImageChops
import numpy as np
from os import system
from datetime import datetime
import os
from argparse import ArgumentParser
from time import sleep

def dif_of_images(image1, image2):
    return np.sum(np.array(ImageChops.difference(image1, image2).getdata()))

def setup_num():
	system("termux-camera-photo -c " + args.camera + " 001.jpeg")
	sleep(1)
	system("termux-camera-photo -c " + args.camera + " 002.jpeg")
	img1 = Image.open('001.jpeg')
	img2 = Image.open('002.jpeg')
	img1=img1.resize((872,1160))
	img2=img2.resize((872,1160))
	delta1=dif_of_images(img1, img2)
	system("termux-camera-photo -c "+args.camera+" 003.jpeg")
	img3 = Image.open('003.jpeg')
	img3=img3.resize((872,1160))
	delta2=dif_of_images(img2, img3)
	print('Device is set up')
	if delta2>delta1:
		delta=delta2*1.25-delta1/4
	else:
		delta=delta1*1.25-delta2/4
	return delta

def send_photo_to_telegram(Chat_ID, Bot_Token,path, image):
        system("curl -X POST -H \"Content-Type:multipart/form-data\" -F chat_id="+Chat_ID+" -F photo=@\""+path+"/"+image+"\" https://api.telegram.org/bot"+Bot_Token+"/sendPhoto > /dev/null 2>&1")



def countdown(t):
	while t:
		mins, secs = divmod(t, 60)
		timer = '{:02d}:{:02d}'.format(mins, secs)
		print(timer, end="\r")
		sleep(1)
		t -= 1

def clock():
	cl=datetime.now().strftime("%H:%M:%S")
	print(cl, end="\r")


system("clear")


parser = ArgumentParser()
parser.add_argument('-C','--camera', help='0 for back Camera, 1 for front Camera', type=str, default=0)
parser.add_argument('-v','-V','--video', help='1 to convert photos to video file and 0 for dont convert', type=int, default=0)
parser.add_argument('-sms', '--sms', help='Enter phone number to send sms')
parser.add_argument('-c','--call', help='Enter phone number to call')
parser.add_argument('-n','--number', help='number of photos you want to be captured', type=int, default=50)
parser.add_argument('-s','--seconds', help='Seconds needs to set the device', type=int, default=60)
parser.add_argument('-ch','--chatid', help='your chat id', type=str)
parser.add_argument('-bt','--bottoken', help='your telegram bot token', type=str)
args = parser.parse_args()



# to wake up termux while phone is locked:
system("termux-wake-lock")

system("clear")

countdown(args.seconds)

print('Setting up the device...\n')
delta=setup_num()

count=1

while True:
	if count>3:
		count-=2
	system("termux-camera-photo -c " + args.camera + " 00" + str(count) + ".jpeg")
	count=count+1
	img1 = Image.open('001.jpeg')
	img2 = Image.open('002.jpeg')
	img1=img1.resize((872,1160))
	img2=img2.resize((872,1160))
	dif=dif_of_images(img1, img2)
	clock()
	if dif>delta:
		print('\nAn External Object Detected')
		if args.sms is not None:
			system("termux-sms-send -n " + args.sms + " An External Object Detected")
			print(f"\nmessage sent to {args.sms}")
		if args.call is not None:
			print(f"Calling {args.call}\n")
			system("termux-telephony-call "+args.call)
		print("\nIt's taking Photos")
		for i in range(args.number):
			now=datetime.now().strftime("%Y-%m-%d_%H%M%S")
			system("termux-camera-photo -c " + args.camera + " "+now+".jpeg")
		system("mkdir " + now)
		system("mv " + now[:2] + "*.jpeg " + now + "/")
		if args.video==1:
			print('\nConverting photos to video..')
			system("ffmpeg -framerate 3 -pattern_type glob -i '" + now + "/*.jpeg' -c:v libx264 -pix_fmt yuv420p " + now + "/" + now + ".mp4 > /dev/null 2>&1")
			print(f"\nVideo file {now}.mp4 created in {now}/ folder.\n")
		if args.chatid is not None and args.bottoken is not None:
			i=1
			for x in os.listdir(now+"/"):
				if x.endswith(".jpeg"):
					send_photo_to_telegram(args.chatid, args.bottoken, now, x)
					st="uploading photos to telegram : "+str(i)+" of "+str(args.number)
					print(st,end="\r")
					i+=1
			print("\nAll your photos sent to your telegram bot\n")
		countdown(3)
		print('\nAgain Setting up the device..')
		delta=setup_num()