Ultimate soldering exercise

dvhx·smd-soldering-exercise-0805·kicad-project/ultimate-soldering-exercise.kicad_pcb

Ultimate soldering exercise PCB layout, top view — open source board by dvhx

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About the Ultimate soldering exercise PCB

Ultimate soldering exercise is an open source PCB design by dvhx, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 99 × 99 mm, with 464 components from 94 distinct parts.

Other key parts include the Battery_9V, Opamp_dual and TL072. By type, the board carries 166 resistors, 136 capacitors, 29 transistors, 28 connectors, 17 diodes and 8 ICs.

It belongs with the audio designs in this gallery.

From the project

Ultimate SMD soldering exercise full of 0805 resistor and caps, SOT-23 transistors and SOIC-8 opamps - 23 guitar pedals on one 10x10cm PCB.

Ultimate soldering exercise, from the project README — From the project README

Main components on the Ultimate soldering exercise

Battery_9V Opamp_dual TL072

Ultimate soldering exercise bill of materials (BOM)

464 components, 94 distinct parts.

Qty	Part	Footprint	Refs
1	Battery_9V	Battery_holder_9V	U1
4	Opamp_dual	SOIC-8	U2, U4, U5, U6
3	TL072	SOIC-8	U3, U7, U8
5	MMBFJ201	SOT23-DSG	Q1, Q12, Q22, Q26, Q27
11	MMBT3904	SOT23-BEC	Q2, Q3, Q4, Q5, Q7, Q8, Q9, Q15 +3
2	MMBT3906	SOT23-BEC	Q6, Q17
8	NPN	SOT23-BEC	Q10, Q13, Q20, Q21, Q23, Q24, Q28, Q29
3	PNP	SOT23-BEC	Q11, Q14, Q25
2	Connector_6.35mm_female_stereo	Connector_Jack_6.35mm_female_stereo	J1, J3
4	Header_1x4_male	Header_1x4_male_upright	J2, J4, J8, J15
11	Header_1x3_male	Header_1x3_male_upright	J5, J6, J7, J9, J10, J11, J12, J13 +3
1	1k	Resistor_trimmer_RM065	P1
2	500k	Resistor_trimmer_RM065	P2, P11
1	10k	Resistor_trimmer_RM065	P3
2	100k	Resistor_trimmer_RM065	P4, P5
5	Blend	Resistor_trimmer_RM065	P6, P7, P8, P9, P10
56	Header_1x1_male	Header_1x1_male_upright	I1, I2, I3, I4, I5, I6, I7, I8 +48
1	Switch_1P2T	Switch_1P2T	SW1
23	Header_1x2_male	Header_1x2_male_upright	TONE2, V1, V2, V3, V4, V5, V6, V7 +15
1	LED	Diode_LED_3mm	D1

Show 74 more

Qty	Part	Footprint	Refs
11	Diode	Diode_SOD-123	D2, D3, D4, D5, D6, D9, D10, D12 +3
2	1N5819	Diode_SOD-123	D7, D8
1	RED	Diode_LED_3mm	D11
2	1N4148	Diode_SOD-123	D16, D17
1	100u	Capacitor_polarized_D6.35mm_H5.65mm_P2.54mm	C1
30	100n	Capacitor_0805	C2, C4, C5, C6, C8, C10, C11, C12 +22
49	10u	Capacitor_0805	C3, C7, C9, C13, C14, C15, C18, C23 +41
9	47n	Capacitor_0805	C20, C21, C29, C60, C66, C94, C98, C131 +1
2	2u2	Capacitor_0805	C24, C122
3	10n	Capacitor_0805	C25, C61, C87
2	22u	Capacitor_0805	C26, C65
2	100p	Capacitor_0805	C28, C123
1	1u5	Capacitor_0805	C36
1	125u	Capacitor_polarized_D6.35mm_H5.65mm_P2.54mm	C42
4	22n	Capacitor_0805	C43, C45, C119, C128
7	4u7	Capacitor_0805	C49, C95, C96, C99, C100, C121, C124
4	1n	Capacitor_0805	C50, C64, C92, C120
4	1u	Capacitor_0805	C59, C68, C69, C70
3	4n7	Capacitor_0805	C62, C63, C88
1	22p	Capacitor_0805	C89
1	4.7u	Capacitor_0805	C90
3	2n2	Capacitor_0805	C97, C132, C135
8	680n	Capacitor_0805	C102, C103, C104, C105, C111, C112, C113, C114
1	3n3	Capacitor_0805	C127
2	100k	Resistor_trimmer_RM065	Distortion1, Tone1
1	2k	Resistor_0805	R1
3	10M	Resistor_0805	R2, R3, R58
33	10k	Resistor_0805	R4, R8, R23, R24, R29, R48, R52, R53 +25
9	100k	Resistor_0805	R5, R20, R32, R46, R57, R70, R92, R126 +1
2	330k	Resistor_0805	R6, R7
4	R	Resistor_0805	R9, R10, R146, R147
8	1M	Resistor_0805	R11, R12, R13, R14, R93, R112, R121, R157
1	3M3	Resistor_0805	R15
3	4k7	Resistor_0805	R16, R41, R109
2	470	Resistor_0805	R17, R94
1	1M5	Resistor_0805	R18
10	470k	Resistor_0805	R19, R77, R111, R119, R123, R124, R158, R159 +2
12	20k	Resistor_0805	R21, R27, R28, R40, R132, R133, R134, R135 +4
1	6k8	Resistor_0805	R22
3	68k	Resistor_0805	R25, R26, R42
10	47k	Resistor_0805	R30, R72, R73, R75, R102, R103, R104, R105 +2
1	33k	Resistor_0805	R31
1	330	Resistor_0805	R33
1	8k2	Resistor_0805	R34
2	500	Resistor_0805	R35, R36
1	750k	Resistor_0805	R37
3	220k	Resistor_0805	R38, R88, R117
1	91k	Resistor_0805	R39
7	22k	Resistor_0805	R43, R64, R74, R84, R114, R115, R162
1	12k	Resistor_0805	R44
1	0-50k	Resistor_0805	R45
2	62k	Resistor_0805	R47, R54
2	3k9	Resistor_0805	R49, R56
6	1k	Resistor_0805	R50, R51, R55, R60, R150, R153
2	120k	Resistor_0805	R59, R61
1	200k	Resistor_0805	R62
1	7k5	Resistor_0805	R63
1	51R	Resistor_0805	R65
8	2M2	Resistor_0805	R66, R68, R76, R85, R89, R108, R148, R149
1	50k	Resistor_trimmer_RM065	R71
1	100R	Resistor_0805	R78
2	390k	Resistor_0805	R79, R118
2	25k	Resistor_trimmer_RM065	R80, R83
1	47R	Resistor_0805	R81
1	2k2	Resistor_0805	R82
1	500k	Resistor_trimmer_RM065	R87
2	500k	Resistor_0805	R96, R99
1	82k	Resistor_0805	R116
1	100	Resistor_0805	R120
1	2k4	Resistor_0805	R122
2	1k5	Resistor_0805	R127, R156
1	560	Resistor_0805	R151
1	47	Resistor_0805	R152
1	1M2	Resistor_0805	R160

Ultimate soldering exercise design files

The KiCad project lives in the dvhx/smd-soldering-exercise-0805 repository on GitHub; these links point at the commit this page was built from.

Ultimate soldering exercise: common questions

How big is the Ultimate soldering exercise PCB?

The Ultimate soldering exercise measures 99 × 99 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Ultimate soldering exercise?

464 components, from 94 distinct parts. The full bill of materials is listed on this page.

Where can I download the Ultimate soldering exercise design files?

From the dvhx/smd-soldering-exercise-0805 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Ultimate soldering exercise design in my own project?

Yes, under the terms of its GPL-3.0 license, which dvhx chose for the repository.

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