2 layers99.7 × 99.7 mm Drummaster rev2, the printed circuit board in 3D

Drummaster rev2

A home for a bunch of microcontroller projects which don't warrant their own repos.

Size: 99.7 × 99.7 mm
Copper layers: 2
Thickness: 1.6 mm
Parts: 188
Nets: 220
Pads: 742
Tracks, vias: 1,747, 279
Pours: 2
Routed: Yes
KiCad: KiCad 4
Created: 20 Nov 2014
Updated: 6 Jul 2024

Overview

Drummaster rev2 is an open-source printed circuit board by thebiguno, from the thebiguno/microcontroller-projects repository on GitHub. It is a 2-layer board of 99.7 × 99.7 mm with 188 parts on 220 nets, routed with 1,747 tracks and 279 vias.

It is built around the 74HC4067D. Its parts include 52 resistors, 46 capacitors, 22 diodes, 16 ICs and 16 inductors. It belongs with the NXP (LPC, Kinetis, i.MX RT) boards of this library.

Main components

74HC4067D
SOIC-24-300mil-40℃~+125℃ 1 100MHz 16:1 26ns 29ns 2V~10V 80Ω 9ns Bidirectional analog channel SOIC-24-300mil Analog Switches, Multiplexers ROHSNexperiaAnalog Switches, Multiplexers

README

README.md

microcontroller-projects

A home for my microcontroller projects, including Stubby the Hexapod and others. It includes libraries for avr-gcc along with sample programs on how to use them, some KiCad modules, and the source code for a number of projects.

Some major projects include:

Stubby the Hexapod (http://stubby.digitalcave.ca/stubby/) (Now extracted into its own repo at https://github.com/thebiguno/stubby)
DrumMaster (http://drummaster.digitalcave.ca/drummaster/)
Chiindii (http://chiindii.digitalcave.ca/chiindii/)

Some of the AVR libraries included here are:

serial communications
TWI (I2C), with support for master read / master write / slave read / slave write, plus callback functions for asyncronous communications
reading data from a PS2 controller
timer functions
and much more

Parts

188

Qty	Value	Footprint	References
36	1k	DigitalCave:SM0603_VALUE	R1, R2, R10, R11, R12, R13, R14, R15, R16, R18, R19, R20, R21, R25, R26, R27 +20
19	0.1uF	DigitalCave:SM0603_VALUE	C1, C2, C3, C19, C20, C21, C22, C23, C25, C27, C31, C32, C33, C36, C37, C38 +3
16	Fe	DigitalCave:SM0603_VALUE	L1, L2, L3, L4, L5, L6, L7, L8, L9, L10, L11, L12, L13, L14, L15, L16
12	10n	DigitalCave:SM0603_VALUE	C7, C8, C9, C10, C11, C12, C13, C14, C15, C16, C17, C18
12	510	DigitalCave:SM0603_VALUE	R37, R38, R39, R40, R41, R42, R43, R44, R45, R46, R47, R48
12	DIODESCH	DigitalCave:SOD-323_DIODE	D9, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20
10	TVS	Housings_SOT-23_SOT-143_TSOT-6:SOT-23	D1, D2, D3, D4, D5, D6, D7, D8, D21, D22
8	1uF	DigitalCave:SM0603_VALUE	C26, C29, C35, C42, C43, C44, C45, C46
6	MCP46X1	Housings_SSOP:TSSOP-14_4.4x5mm_Pitch0.65mm	U10, U11, U12, U13, U14, U15
6	MCP6004T	Housings_SSOP:TSSOP-14_4.4x5mm_Pitch0.65mm	U2, U3, U4, U5, U6, U7
4	MOUNTING_HOLE	DigitalCave:MOUNTING_HOLE_#4	MP1, MP2, MP3, MP4
3	100uF	Capacitors_ThroughHole:C_Radial_D7.5_L11.2_P2.5	C24, C30, C39
3	10k	DigitalCave:SM0603_VALUE	R22, R23, R24
3	PINS_5	Pin_Headers:Pin_Header_Straight_1x05	K1, K2, K3
3	VAL**	DigitalCave:mouse_bites	mouse_bites, mouse_bites, mouse_bites
2	10nF	DigitalCave:SM0603_VALUE	C40, C41
2	10uF	DigitalCave:SM0603_VALUE	C28, C34
2	74HC4067	Housings_SSOP:SSOP-24_5.3x8.2mm_Pitch0.65mm	U8, U9
2	DIP	Pin_Headers:Pin_Header_Straight_1x14	K102, K103
2	MCP1702	Housings_SOT-23_SOT-143_TSOT-6:SOT-23	VR1, VR2
2	PINS_4	Pin_Headers:Pin_Header_Straight_1x04	K4, K6
2	PINS_7	SIL-7	K201, K202
2	REF	DIGITALCAVE_LOGO	VAL, VAL
1	100k	DigitalCave:SM0603_VALUE	R17
1	CONN_2	Pin_Headers:Pin_Header_Straight_2x01	P1
1	ENCODER	Pin_Headers:Pin_Header_Straight_1x05	K7
1	FUSE	Fuse_Holders_and_Fuses:Fuse_SMD1206_Reflow	F1
1	GRAPHIC	DigitalCave:DIGITALCAVE_URL	MP7
1	GRAPHIC	DigitalCave:DIGITALCAVE_AUTHOR	MP5
1	GRAPHIC	DigitalCave:DIGITALCAVE_LOGO	MP6
1	HD44780	Pin_Headers:Pin_Header_Straight_1x16	DS1
1	MOSFET_P	Housings_SOT-23_SOT-143_TSOT-6:SOT-23	Q1
1	MSSOP_10	MSOP10-0.5	K203
1	PINS_6	Pin_Headers:Pin_Header_Straight_1x06	K5
1	POTENTIOMETER	DigitalCave:POTENTIOMETER_SMD	RV1
1	PROG	DigitalCave:SW_6x3	SW1
1	S25FL512S	Housings_SOIC:SOIC-16_7.5x10.3mm_Pitch1.27mm	U16
1	TEENSY_3.1	DigitalCave:TEENSY_3.1	U1
1	TSSOP-28	Housings_SSOP:TSSOP-28_4.4x9.7mm_Pitch0.65mm	K101
1	TSSOP_14	TSSOP14	K204

The 186 most common of 188 parts.

Questions

How big is the Drummaster rev2 PCB?

It measures 99.7 × 99.7 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Drummaster rev2 use?

188 parts, built around the 74HC4067D. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Drummaster rev2 KiCad files?

From the thebiguno/microcontroller-projects repository on GitHub, at the commit this page was made from: the board is projects/drummaster/rev2/kicad/drummaster_rev2.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Drummaster rev2 design in my own project?

Its repository states no licence, so its author keeps all rights: ask thebiguno before reusing the design.

Category and platform

NXP (LPC, Kinetis, i.MX RT)

Project files

Show this board on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/boards/thebiguno-microcontroller-projects-drummaster-rev2" title="Drummaster rev2 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>

A picture

<img src="https://pcbkit.io/embed/boards/thebiguno-microcontroller-projects-drummaster-rev2.jpg" alt="Drummaster rev2" width="1200" height="900">

A picture that opens the board, for a README

[![Drummaster rev2](https://pcbkit.io/embed/boards/thebiguno-microcontroller-projects-drummaster-rev2.jpg?size=s)](https://pcbkit.io/boards/thebiguno-microcontroller-projects-drummaster-rev2)

Source

Repository: thebiguno/microcontroller-projects
Board file: projects/drummaster/rev2/kicad/drummaster_rev2.kicad_pcb
Commit: 18392f6
Licence: Not stated

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