$2.65
Honeywell, Hall Effect Sensor, Bipolar, 20mA, 3 Pins, 3 V, 24V, FlatTO-92 1.Vs 2.Gnd 3.Out
Carbon Film Resistor, 0.5W 1/2 Watt, 1.8K Ohms, 5%, Through Hole
Carbon Film Resistor, 0.5W 1/2 Watt, 27K Ohms, 5%, Through Hole
9 Pin Tube Socket, Ceramic Base, Gold Plated Sockets and Under/Over...