diff --git a/tasmotonov.py b/tasmotonov.py
new file mode 100755
index 0000000..a22c2e1
--- /dev/null
+++ b/tasmotonov.py
@@ -0,0 +1,134 @@
+#!/usr/bin/python3
+
+import sys             # for exiting with the correct exit code
+import argparse        # to parse the cli args!
+import requests        # needed to access the http endpoints
+import ipaddress       # to validate IP addresses
+from fqdn import FQDN  # validate FQDNs
+
+parser = argparse.ArgumentParser(
+                    prog='Tasmotonov - simply toggle multiple tasmota lights',
+                    description='A very simple script which allows you to turn on/off multiple tasmota devices specified.',
+                    epilog='Info: if you choose a file as source, this files needs to contain the addresses of the tasmota devices either comma-separated, semicolon-separated, or newline-separated!\n\n© Benjamin Burkhardt, 2025')
+
+parser.add_argument('source', help='Select either to read the adresses (of the devices) from a "file" or from "inline"', choices=['file', 'inline'])
+parser.add_argument('data', help='Either the path to the file, or a comma- or semicolon-separated list of tasmota adresses.')
+parser.add_argument('action', help='Select to turn all tasmota devices "on" or "off" or "toggle" (case insensitive)', choices=['on', 'off', 'toggle'])
+parser.add_argument('-v', '--verbose', help='Turn on verbose file output', action='store_true')
+
+
+# some helpers / utils
+
+def is_ip(string):
+    try:
+        i = ipaddress.ip_address(string)
+        del i
+    except ValueError:
+        return False
+    return True
+
+def is_fqdn(string): 
+    return FQDN(string).is_valid 
+
+
+# logging
+
+class COLORS:
+    HEADER = '\033[95m'
+    OKBLUE = '\033[94m'
+    OKCYAN = '\033[96m'
+    OKGREEN = '\033[92m'
+    WARNING = '\033[93m'
+    FAIL = '\033[91m'
+    ENDC = '\033[0m'
+    BOLD = '\033[1m'
+    UNDERLINE = '\033[4m'
+
+def log(to_log, verbose = True, end = '\n'):
+    if (verbose and args.verbose) or not verbose:
+        print(to_log, end=end)
+def log_error(to_log, end='\n'):
+    log(COLORS.FAIL + '[ERROR]   ' + COLORS.ENDC + to_log, verbose=False, end=end)
+def log_warning(to_log, end='\n'):
+    log(COLORS.WARNING + '[WARNING] ' + COLORS.ENDC + to_log, verbose=False, end=end)
+def log_success(to_log, end='\n'):
+    log(COLORS.OKGREEN + '[SUCCESS] ' + COLORS.ENDC + to_log, verbose=False, end=end)
+
+
+# the real program
+
+if __name__ == '__main__':
+    args = parser.parse_args()  # parse all given arguments
+
+    # convert the given adresses to a list
+    tasmota_addresses = []
+    if args.source == 'file':
+        try:
+            log('Now trying to open the given file...', end='')
+            with open(args.data, 'r') as file:
+                contents = file.read()
+                if ';' in contents:
+                    tasmota_addresses = contents.split(';')
+                elif ',' in contents:
+                    tasmota_addresses = contents.split(',')
+                elif '\n' in contents:
+                    tasmota_addresses = contents.split('\n')
+                else:
+                    tasmota_addresses = [contents]
+            log('Done.')
+            log(f'Collected addresses: {tasmota_addresses}')
+        except FileNotFoundError:
+            log_error(f'Failed reading addresses. File with the path "{args.data} can\'t be opened because it doesn\'t exist. Exiting.')
+            sys.exit(1)
+
+    elif args.source == 'inline':
+        log('Now reading from inline... ', end='')
+        if ';' in args.data:
+            tasmota_addresses = args.data.split(';')
+        elif ',' in args.data:
+            tasmota_addresses = args.data.split(',')
+        elif '\n' in args.data:
+            tasmota_addresses = args.data.split('\n')
+        else:
+            tasmota_addresses = [args.data]
+        log('Done.')
+        log(f'Collected addresses: {tasmota_addresses}')
+    
+    else: 
+        log_error(f'You need to specify either "file" or "inline" as the data source for addresses!')
+        sys.exit(1)
+
+    
+    # clean them up (e.g. remove newlines if the file has a random newline somewhere
+    tasmota_addresses_cleaned = []
+    for address in tasmota_addresses:
+        if address != '':
+            tasmota_addresses_cleaned.append(address.replace('\n', '').replace(';', '').replace(',', ''))
+
+    # now check data for consistency and integrity (is it really an ip address or a domain name?)
+    tasmota_addresses_validated = []
+    log('Now validating given addresses...')
+    for address in tasmota_addresses_cleaned:
+        if is_ip(address) or is_fqdn(address):
+            tasmota_addresses_validated.append(address)
+        else:
+            log_warning(f'The address "{address}" is neither a valid IP address nor a FQDN / domain name; SKIPPING THIS ONE.')
+    log('Validated given adddresses.')
+
+
+    # and finally turn on or off or toggle the lights!
+    for address in tasmota_addresses_validated:
+        log('Running the action "{args.action}" on the following device: {address}')
+        try:
+            answer = requests.get(f'http://{address}/cm?cmnd=Power%20{str(args.action).lower()}')
+            success = True
+        except requests.exceptions.ConnectionError:
+            log_warning(f'Could not connect to "{address}". Skipping...')
+            success = False
+        if answer.status_code != 200:
+            log_warning(f'{address} returned the following non-200 status code: {answer.status_code}. Skipping...')
+            success = False
+        if success:
+            log_success(f"Ran action {str(args.action).upper()} on {COLORS.OKCYAN}{address}{COLORS.ENDC} successfully.")
+    
+    sys.exit(0)