2 layers100 × 100 mm
MidiBox3 b
Dethernal/Midibox3
New features for DIN5 MIDI → Waweblaster interface board. Now with MT-32 stuff.
114 parts5MIT
2 layers100 × 100 mm
MidiBox3
Dethernal/Midibox35New features for DIN5 MIDI → Waweblaster interface board. Now with MT-32 stuff.
- Size
- 100 × 100 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 127
- Nets
- 110
- Pads
- 409
- Tracks, vias
- 1,088, 70
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 28 Apr 2019
- Updated
- 12 May 2020
Overview
MidiBox3 is an open-source printed circuit board by Dethernal, from the Dethernal/Midibox3 repository on GitHub, published under the MIT licence. It is a 2-layer board of 100 × 100 mm with 127 parts on 110 nets, routed with 1,088 tracks and 70 vias.
It is built around the STM32F103CBT6, JTE0624D12 and MC33063AD, with the 74ACT04D, 74HCT00D and H11L1 among its other parts. Its parts include 36 capacitors, 34 resistors, 8 ICs, 8 connectors and 6 diodes. It belongs with the interfaces and adapters boards and the STM32 boards of this library.
Main components
10
STM32F103CBT6
LQFP-48(7x7)-40℃~+85℃ 128KB 12bit 20KB 2V~3.6V 32 Bit 37 72MHz ARM Cortex-M3 Built-in FLASH LQFP-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHSSTMicroelectronicsMicrocontrollers (MCU/MPU/SOC)JTE0624D12
DIP,31.8x20.3mm1.5kV 12V 2 250mA 6W 84% 9V~36V DIP,31.8x20.3mm Isolated Power Modules ROHSXP PowerIsolated Power Modules
MC33063AD
SOIC-8-40℃~+85℃@(TA) 1 1.5A 100kHz 3V~40V Adjustable Boost、Buck、Inverting Buck、Boost Built-in SOIC-8 DC-DC Converters ROHSTexas InstrumentsDC-DC Converters
74ACT04D
SOIC14Hex InvertersTexas InstrumentsUncategorised74HCT00D
SO-14-40℃~+125℃ 100mV、400mV 12ns@4.5V,50pF 2 2V 3.7V、4.4V 4 4.5V~5.5V 40uA 4mA 4mA 74HCT Series 800mV NAND Gate Overvoltage-tolerant input TTL Compatible CMOS SO-14 Logic Gates ROHSNexperiaLogic Gates
H11L1
DIP-6-55℃~+100℃ 1 1.6mA 1Mbit/s 250mW 3V~15V 5kV DC DIP-6 Logic Output Optoisolators ROHSEverlight ElectronicsLogic Output Optoisolators
L7805
TO-220ST0℃~+125℃@(Tj) 1 1.2A 20V 2V@(1A) 42uV 500uA 5V 73dB@(120Hz) Fixed Positive Short Circuit Protection TO-220ST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSOSENVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
PESD5V0S1BA
SOD-323-55℃~+150℃ 1 12A@8/20us 130W@8/20us 14V 35pF 5V 5nA 9.5V Bidirectional ESD IEC 61000-4-2、IEC 61000-4-5 SOD-323 ESD and Surge Protection (TVS/ESD) ROHSNexperiaESD And Surge Protection (TVS/ESD)DB104
DBM-55℃~+150℃ 1A 1V@0.5A 400V 5uA 80A Single-Phase Rectifier DBM Bridge Rectifiers ROHSTOSBridge Rectifiers
IRFL110
SOT223100V 1.5A N-Channel Power MOSFETVishay IntertechnologyUncategorised
README
readme.mdMidiBox3
My attempt to make new Waveblaster-compatible interface board.
Features
- Work with all current loop MIDI source
- Additional Note On volume control with rotary encoder
- Can work without microcontroller as simple interface board but other features will gone.
Plans
Measure power consumption. What maximum current on +5V line is? Do I really need output filter and what parameters it must have? So, I need to characterize all imortant parameters.
Next, there are more components on PCB that really needed for working. Also some components are more expensive than necessary. It will be reasonable to find cheaper ones.
Finally, STM32F103CBT6 is a beast and I love it. It have USB support and I planned use it in next revision of PCB. I don't know about ADC out via USB, but as power source and MIDI in port it will definitely work. Maybe it also may work as HardMPU, but this will require special DOS driver and I think it has lower priority.
Parts
127| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 470R | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R5, R8, R9, R10, R11, R12, R13, R14, R15 |
| 8 | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 | |
| 8 | 100pF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1, C2, C8, C9, C27, C28, C31, C36 |
| 8 | 1K | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R16, R17, R18, R19, R20, R21, R22, R23 |
| 6 | 10K | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R3, R6, R24, R25, R32, R34 |
| 6 | 1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C4, C5, C17, C21, C22, C26 |
| 5 | Jumper:SolderJumper-2_P1.3mm_Bridged2Bar_Pad1.0x1.5mm | JP1, JP2, JP3, JP4, JP5 | |
| 5 | 220uF | Capacitor_SMD:CP_Elec_8x6.9 | C3, C12, C18, C19, C25 |
| 4 | 15pF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C10, C11, C23, C24 |
| 4 | MountingHole_3.2mm_M3 | MountingHole:MountingHole_3.2mm_M3 | MH1, MH2, MH3, MH4 |
| 3 | 100nF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C29, C32, C33 |
| 3 | 1R | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R27, R28, R29 |
| 3 | 47uF | Capacitor_SMD:CP_Elec_6.3x5.9 | C13, C14, C35 |
| 2 | 1.5K | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R26, R33 |
| 2 | 100nH | Inductor_SMD:L_0805_2012Metric_Pad1.15x1.40mm_HandSolder | L1, L2 |
| 2 | 1uF | Capacitor_THT:C_Rect_L16.5mm_W4.7mm_P15.00mm_MKT | C15, C16 |
| 2 | 33nH | Inductor_SMD:L_0805_2012Metric_Pad1.15x1.40mm_HandSolder | L3, L4 |
| 2 | 47pF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C6, C7 |
| 2 | PESD5V0S1BA | Diode_SMD:D_SOD-323_HandSoldering | D3, D4 |
| 1 | 100 nH | Inductor_SMD:L_0805_2012Metric_Pad1.15x1.40mm_HandSolder | L6 |
| 1 | 10nF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C30 |
| 1 | 10uF | Capacitor_Tantalum_SMD:CP_EIA-6032-15_Kemet-U_Pad2.25x2.35mm_HandSolder | C20 |
| 1 | 1N4148 | Diode_SMD:D_SOD-323_HandSoldering | D1 |
| 1 | 1N5819 | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D14 |
| 1 | 2.7K | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R30 |
| 1 | 220 uH | Inductor_SMD:L_10.4x10.4_H4.8 | L5 |
| 1 | 220R | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R4 |
| 1 | 22K | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R31 |
| 1 | 270R | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R2 |
| 1 | 4.7K | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R7 |
| 1 | 470pF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C34 |
| 1 | 510R | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1 |
| 1 | 74ACT04 | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U7 |
| 1 | 74HCT00 | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U1 |
| 1 | BarrelJack | Connector_BarrelJack:BarrelJack_Horizontal | J1 |
| 1 | Crystal_GND24 | Crystal:Crystal_SMD_0603-4Pin_6.0x3.5mm_HandSoldering | Y1 |
| 1 | D+ | Connector_Pin:Pin_D0.7mm_L6.5mm_W1.8mm_FlatFork | USB4 |
| 1 | D- | Connector_Pin:Pin_D0.7mm_L6.5mm_W1.8mm_FlatFork | USB3 |
| 1 | DB104 | Diode_SMD:Diode_Bridge_Vishay_DFSFlat | D2 |
| 1 | DIN5 IN | connectors-ootdty:DS-5-01 | J2 |
| 1 | DIN5 OUT | connectors-ootdty:DS-5-01 | J4 |
| 1 | D_VALUE | rotary_encoder_bourns:Rotary_Encoder_Bourns_PEC16-2215F-N0024_Horizontal_16mm | SW1 |
| 1 | GND | Connector_Pin:Pin_D0.7mm_L6.5mm_W1.8mm_FlatFork | USB2 |
| 1 | H11L1 | Package_DIP:DIP-6_W7.62mm_LongPads | U2 |
| 1 | IRFL110 | Package_TO_SOT_SMD:SOT-223 | Q1 |
| 1 | JTE0624D12 | Converter_DCDC:Converter_DCDC_XP_POWER_JTExxxxDxx_THT | U3 |
| 1 | L7805 | Package_TO_SOT_THT:TO-220-3_Horizontal_TabDown | U4 |
| 1 | LED | LED_THT:LED_D3.0mm_Horizontal_O3.81mm_Z2.0mm | D5 |
| 1 | LED_CON | Connector_PinHeader_2.54mm:PinHeader_1x10_P2.54mm_Horizontal | J7 |
| 1 | MC33063AD | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U5 |
| 1 | RSA 2x | Connector_DragonCity:RCA_Dual_Jack_Board_RS-209_03x3mm_Vertical | J5 |
| 1 | STM32F103CBT6 | Package_QFP:LQFP-48_7x7mm_P0.5mm | U6 |
| 1 | STM32_PROG | Connector_PinHeader_2.54mm:PinHeader_2x10_P2.54mm_Horizontal | J6 |
| 1 | SW_Reed | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | SW2 |
| 1 | TRACO_TMR-1222_THT | Converter_DCDC:Converter_DCDC_TRACO_TMR-xxxx_THT | U3* |
| 1 | USB_B_Micro | Connector_USB:USB_Micro-B_Molex_47346-0001 | J8 |
| 1 | VBUS | Connector_Pin:Pin_D0.7mm_L6.5mm_W1.8mm_FlatFork | USB1 |
| 1 | WaveBlaster | Connector_PinSocket_2.54mm:PinSocket_2x13_P2.54mm_Vertical | J3 |
| 1 | shunt | Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP6 |
The 124 most common of 127 parts.
Questions
How big is the MidiBox3 PCB?
It measures 100 × 100 mm and has 2 copper layers, 1.6 mm thick.
What parts does the MidiBox3 use?
127 parts, built around the STM32F103CBT6, JTE0624D12, MC33063AD and 74ACT04D. 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 MidiBox3 KiCad files?
From the Dethernal/Midibox3 repository on GitHub, at the commit this page was made from: the board is midiBox3/midiBox3.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the MidiBox3 design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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