Base Board

Resistors

• 1x Metal Film 1/6W 390kΩ (Orange, White, Yellow, Gold) (R11)
• 1x Metal Film 1/6W 56kΩ (Green, Blue, Orange, Gold) (R23)
• 1x Metal Film 1/4W 820kΩ (Gray, Red, Yellow, Gold) (R22)

3x Resistor 1/6W 10R (R6, R8) 1x Resistor 1/6W 1k (R21) 1x Resistor 1/6W 1.5k (R7, R10) Orange LEDs 3x Resistor 1/6W 4.7k (R1, R2) I2C pull-ups 6x Resistor 1/6W 10k (R3, R16, R18) 4x Resistor 1/6W 33k (R12, R13, R14, R15) 3x Resistor 1/6W 470k (R17, R19)

+1 R10 -4 82R -1 1.5k +1 4.7k +3 10k -4 33k +1 470k

CAPACITORS

1x 2.2uF/250V 2x 47uF 1x 47uF mini 1x 0.1uF/100V 8x 0.1uF/50V 1x 470pF

DIODES

1x 1N4001 Diode 1x 1N4937 Diode 1x 1N914 Diode 1x 82V Zener Diode

CHIPS

1x ATMega328P 1x HV5181PJ-G 1x DS1307 1x MC34063 1x 7805 Regulator

SOCKETS

1x DIP-28 socket 1x PLCC-28 socket 2x DIP-8 sockets

TRANSISTORS

1x IRF740PBF MOSFET 2x 2N7000 Mosfet 1x MPSA55 2x MPSA42 2x MPSA92

LEDs

4x PLCC-2 Blue LEDs 1x 5mm flat top Orange LED 1x 3mm flat top Orange LED

OTHER

1x 100uH inductor 1x 2.1mm Power Jack 1x CR1220 Battery Holder 1x CR1220 Battery 1x Tactile switch 6x6x12 1x 32kHz crystal 1x Piezo 1x Rotary Encoder PEF12-4030F-S0012 1x 2.1mm DC jack connector 1x PTC Fuse

NIXIE

4x IN-14 Nixie

CASE

4x 6mm female-female spacer 4x 16mm female-male spacer 8x screws