PIR Motion Sensor. Variable Speed Xenon Tube Strobe Light - All Kits & Modules - Cana Kit. Arcade Joystick - All Kits & Modules - Cana Kit. Simple Touch Switch. The MPF102 (Q1) can be replaced with a NTE451 or ECG451, but still widely available.
JFET-N-CHAN, UHF/VHF AMP The 2N3565 (Q1/Q2) can be replace with a 2N2222(A), BC107, BC108, BC109(A/B/C), NTE123A, or ECG123A. The TIP31 (Q3) can be replaced with a NTE196 or ECG196, but is a common type and widely available. NO suffix. 4 channel infrared remote relays.