Quantity   Component name
1 × ST25DV04K-IER6T3 RFID Transponders 4-Kbit Dynamic NFC/RFID tag NFC Forum type V with I2C interface, fast transfer mode and energy harvesting
3 × VLRK31Q1R2-GS08 LEDs and Accessories / Light Emitting Diodes (LEDs), Reverse Gullwing
3 × 2SK3666-2-TB-E JFET, N-ch, SC-59-3, 1.5mA
1 × 0.01uF Capacitor 0.01uF 0402 Capacitor
1 × PRT-14417 Qwiic Connector SparkFun Accessories Qwiic JST Connector- SMD 4-pin