NFC/RFID开发工具 The SparkFun RFID Qwiic Reader is a simple I2C-based RFID breakout board for the ID-3LA ID-12LA and ID-20LA readers. Plug a reader into the headers and use a Qwiic cable. Then scan your 125kHz ID tag and the unique 32-bit ID will be displayed on

GNSS/GPS开发工具 With GPS you are able to know where you are where you're going and how to get there anywhere on Earth within 30 seconds. This means the higher the accuracy the better! GPS Real Time Kinematics (RTK) has mastered dialing in the accuracy on their GPS