PWB Parts List

Source is Digi-Key unless otherwise indicated.

Ref. Part Number Description Source Price
U1,U2 74HCT14 Schmitt Trigger 0.39
U3 16F818-04I/P Microcontroller 3.98
U4 LM2937ET-5.0 5V regulator 1.84
Q1 2N2222A NPN transistor
LED1-LED6 SSL-LX5093SRC/E Red LED, high brightness 0.54
LED7 LTL-30EHJ Bi-color LED 0.39
D1 S1G-13 Diode
D14 1N4148 Switching Diode 0.06
D8-D13 BZX84C20 20V Zener diode .022
RN1, 2, 5, 6 768-143-R100K-ND 100K resistor network 0.66
RN4 768-143-R3K-ND 3K resistor network 0.66
RN3 768-143-R150-ND 150 Ohm resistor network 0.66
RN7 768-143-R390-ND 390 Ohm resistor network 0.66
R1, R9 1206 SMD resistor, 161 Ohms
R2 1206 SMD resistor, 5K
R3, R5 1206 SMD resistor, 70K
R4, R6, R7, R8 1206 SMD resistor, 10K
C1, C3 C0805C104M5RACTU Ceramic 0.1uF capacitor SMT 0805 .08
C2 T491D226K020AS Kemet 22uF Tantalum cap. Surface mount 0.93
J1 10 pin header
J2 14 pin header
S1-6 7101SYCBE SPDT toggle switch 5.43
2-640357-4 14 pin DIP socket 0.99
2-640357-4 18 pin DIP socket 1.44
Standoff - .625†1808K-ND .28
4-40 screw