Quantity   Component name
3 × 2N7002 (SOT23) Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs
1 × 1N4148 (SOD123) Discrete Semiconductors / Diodes and Rectifiers
1 × 680pF Ceramic Capacitor (0603) Surface Mount Capacitor
1 × 80pF-270pF Ceramic Capacitor (0603) Tuning Surface Mount Capacitor (should be higher value if you want to trigger earlier on)
2 × 2 Megohm Resistor (0603) Surface mount resistors
1 × 9.1 Megohm Resistor (0603) Surface mount resistors
1 × 2.2kohm Resistor (0603) (optionally you can use up to a 10kohm resistor if you'd like longer battery life at the expense of a di Surface mount resistors
1 × 47kohm Resistor (0603) Surface mount resistors
1 × Red 1.5 Hz Flashing LED (0606 package) from Lighthouse LEDs Flashing 0606 LED (can be installed in the 0603 footprint)
1 × Surface Mount CR2032 Battery Clip Example Digikey Part Number: 36-3034-ND
1 × CR2032 Coin Cell Battery Coin Cell Battery