Delptronics ThunderBell, Instructions Manual

Page: 8 / 8

ThunderBell Module Kit Instructions
Page 8 of 8
Bill of Materials
Board-mounted Parts:
Quantity Description Marking on part Refdes
3 BAT85 Schottky Diode BAT85 D1, D3, D4
1 1N4148 Diode 1N4148 D2
5 1K Resistor brown black black brown R10, R11, R14, R15, R16
1 4.7K Resistor yellow violet black brown R20
2 10K Resistor brown black black red R9, R17
1 22K Resistor red red black red R13
3 47K Resistor yellow violet black red R4, R12, R22
1 68K Resistor blue gray black red R18
2 100K Resistor brown black black orange R1, R21
1 220K Resistor red red black orange R2
3 470K Resistor yellow violet black orange R3, R5, R19
1 1M Resistor brown black black yellow R6
2 2.2M Resistor red red black yellow R7, R8
2 0.01 µF Ceramic Capacitor 103 C6, C7
3 0.1 µF Ceramic Capacitor 104 C3, C9, C10
1 0.68 µF Ceramic Capacitor 684 C5
2 1 µF Ceramic Capacitor 105 C4, C8
2 10 µF Electrolytic Capacitor 10 µF C1, C2
4 2N3904Transistor 2N3904 Q1, Q2, Q3, Q4
1 5V Voltage Regulator 78L05 REG1
1 PIC12F1822 MCU Chip PIC12F1822 U1
1 TL072 Op Amp Chip TL072 U2
2 8 Pin DIP Socket U1, U2
1 10 Pin Power Connector
Off-board Parts:
Quantity Description Marking on part Marking on PCB
1 10K Linear Taper Potentiometer B10K VR1 PCH
1 20K Linear Taper Potentiometer B20K VR3 VOL
1 1M Linear Taper Potentiometer B1M VR2 DCY
3 Knobs
4 3.5mm (1/8") Jacks
1 Pushbutton
1' Hookup Wire