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BMS MK2 attempt 1-using-Tp4506

Wierdwizard2587·ElectricGuitarMK1·Research and Development/BMS/PCB Design/3.0 BMS/V3.1/BMS MK2 attempt 1-using-Tp4506.kicad_pcb

BMS MK2 attempt 1-using-Tp4506 PCB layout, top view — open source AVR/Arduino board by Wierdwizard2587
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About the BMS MK2 attempt 1-using-Tp4506 PCB

BMS MK2 attempt 1-using-Tp4506 is an open source AVR/Arduino PCB design by Wierdwizard2587, published on GitHub. It is a 2-layer board measuring 226.6 × 64 mm, with 42 components from 26 distinct parts.

Its main chip is the ATTiny 85 Module, from the AVR/Arduino family. Other key parts include the MP1584, 4N35, B0515S and TP4056 Charging Module. By type, the board carries 13 ICs, 13 connectors, 8 resistors, 6 transistors and 2 switches.

It belongs with the audio, power & battery and displays & leds designs in this gallery.

From the project

This is the repository for the Research and Development, Production, and assembly of the Electric Guitar MK1.

- DIY portable electric guitar with integrated digital effects and modular power/audio system - Final version features Teensy 4.0, onboard FX, rotary encoder UI, OLED display, amp/speaker output, battery or DC power, and RGB lighting - Entire build: woodwork, PCBs, 3D prints, firmware, and more - Early prototype (Mk0) failed due to poor electrical design and overcomplex hardware, rebuilt from scratch over 12+ months with newly acquired engineering and fabrication skills

BMS MK2 attempt 1-using-Tp4506, from the project README
From the project README

Main components on the BMS MK2 attempt 1-using-Tp4506

MP15844N35B0515SATTiny 85 ModuleTP4056 Charging Module

BMS MK2 attempt 1-using-Tp4506 bill of materials (BOM)

42 components, 26 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MP1584
U1
1
4N35
U2
2
B0515S
U3, U14
1
ATTiny 85 Module
U4
8
TP4056 Charging Module
U6, U7, U8, U9, U10, U11, U12, U13
2
PN100
Q2, Q7
3
IRF9540N
Q5, Q6, Q9
1
IRF540N
Q8
1
Batt 1 Conn
J1
1
Batt 2 Conn
J2
1
Batt 3 Conn
J3
1
Battery + out
J4
1
Batt 4 Conn
J5
1
Batt 5 Conn
J6
1
Battery - out
J7
1
Batt 6 Conn
J8
1
CHG GND
J9
1
Batt 7 Conn
J10
1
Batt 8 Conn
J11
1
Conn_01x03_Pin
J12
Show 6 more
QtyPartRefs
1
CHG VCCs
J13
2
SW_SPST
SW1, SW2
4
10K
R4, R7, R9, R10
2
3k3
R6, R8
1
100K
R11
1
430R
R12

BMS MK2 attempt 1-using-Tp4506 design files

The KiCad project lives in the Wierdwizard2587/ElectricGuitarMK1 repository on GitHub; these links point at the commit this page was built from.

BMS MK2 attempt 1-using-Tp4506: common questions

What microcontroller does the BMS MK2 attempt 1-using-Tp4506 use?

The BMS MK2 attempt 1-using-Tp4506 is built around the ATTiny 85 Module, from the AVR/Arduino family.

How big is the BMS MK2 attempt 1-using-Tp4506 PCB?

The BMS MK2 attempt 1-using-Tp4506 measures 226.6 × 64 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the BMS MK2 attempt 1-using-Tp4506?

42 components, from 26 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the BMS MK2 attempt 1-using-Tp4506 design files?

From the Wierdwizard2587/ElectricGuitarMK1 repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the BMS MK2 attempt 1-using-Tp4506 design in my own project?

The repository has no license, so all rights stay with Wierdwizard2587. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the BMS MK2 attempt 1-using-Tp4506 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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