00:00Building Arduino security systems or interactive props need RFID modules
00:04Found 5 best deals for RFID IC wireless modules every tinkerer needs
00:09First pick cost $0.74
00:13Bear MFRC 522 board run over SPI
00:16Sold almost 5,000 units with 4.8 rating
00:20Best option when tags already in parts bin and budget tight
00:24Second unit cost $3.68
00:27Mini RC522 kit run at 13.56 MHz with 6 cm read range
00:34Perfect 5-star rating across almost 4,000 sales
00:38Worth cash because compact size fits small 3D printed enclosures and tags included in box
00:44Third module run 361
00:47Big win here is native I2C communication
00:51Work smooth with ESP32, Raspberry Pi, Microobit without burning up SPI pins
00:58Perfect for smart home setups running many sensors on shared bus
01:02Fourth option cost $2.10
01:05Classic MFRC 522 full starter kit with key fob, plane card, and 2-pin header styles
01:115-star score with over 3,000 sold
01:14Best baseline kit for breadboard prototyping when building basic access control
01:19Fifth module cost $1.15
01:23Another RC522 mini SPI kit complete with tags
01:275-star rating from nearly 3,000 makers
01:31Give same compact footprint as pricier mini kits at fraction of cost
01:36Unbeatable value for space-constrained Arduino Uno or Mega Builds
01:41Links to all boards sit in description below
01:44Hit like, subscribe for more hardware tests
