2 layers100 × 100 mm
2 layers268.6 × 120.7 mm
MiniSys Backplane
ab0tj/MiniSys7Homebrew computer with an ISA-like bus
- Size
- 268.6 × 120.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 129
- Nets
- 153
- Pads
- 1,933
- Tracks, vias
- 8,409, 6
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 12 Nov 2019
- Updated
- 24 Aug 2020
Overview
MiniSys Backplane is an open-source printed circuit board by ab0tj, from the ab0tj/MiniSys repository on GitHub. It is a 2-layer board of 268.6 × 120.7 mm with 129 parts on 153 nets, routed with 8,409 tracks and 6 vias.
It is built around the ATTINY861A-PU, DS18B20 and LM4250CJ, with the TX25-120P-6ST-H1E, TIP29 and TIP30 among its other parts. Its parts include 43 capacitors, 25 connectors, 24 resistors, 4 ICs and 4 transistors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
6
ATTINY861A-PU
DIP-20-40℃~+85℃ 1.8V~5.5V 10bit 16 20MHz 512Byte 512Byte 8 Bit 8KB AVR Built-in FLASH DIP-20 Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
DS18B20
TO-92-55℃~+125℃ 12bit 3V~5.5V 750ms Single-bus ±0.4℃ TO-92 Temperature Sensors ROHSUMWTemperature SensorsLM4250CJ
CDIP-8-18V~18V 0℃~+70℃ 1 6mV 6nA 70dB 80nA Built-in compensation CDIP-8 Operational AmplifierTexas InstrumentsOperational AmplifierTX25-120P-6ST-H1E
插件,P=1.27mmBoard-To-Board And Backplane ConnectorJAE Electronics
TIP29
TO-220-65℃~+150℃ 1 NPN 1A 300uA 30W 3MHz 40V 5V 75V NPN Standalone TO-220 Bipolar (BJT) ROHSonsemiBipolar Transistors - BJT
TIP30
TO-220C1A 3MHz 40V 700mV PNP TO-220C Bipolar (BJT) ROHSSPTECHBipolar (BJT)
Parts
129| Qty | Value | Footprint | References |
|---|---|---|---|
| 22 | .1uF | Capacitors_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C1, C10, C12, C14, C16, C18, C20, C26, C27, C28, C29, C30, C31, C33, C35, C37 +6 |
| 22 | 560 | Resistors_THT:R_Array_SIP10 | RN1, RN2, RN3, RN10, RN11, RN13, RN14, RN15, RN16, RN17, RN18, RN19, RN20, RN21, RN23, RN24 +6 |
| 20 | 33uF | Capacitors_THT:CP_Radial_Tantal_D6.0mm_P2.50mm | C3, C11, C13, C15, C17, C19, C21, C23, C25, C32, C34, C36, C38, C40, C42, C43 +4 |
| 12 | TX25-120P-6ST-H1E | SamacSys_Parts:JAE_TX25-120P-6ST-H1E | J1, J2, J3, J4, J5, J6, J7, J8, J9, J10, J11, J12 |
| 6 | 2200 | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R15, R16, R18, R22 |
| 5 | Conn_01x01_Female | Connectors:1pin | J16, J17, J18, J19, J20 |
| 3 | 1000 | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R9, R12, R20 |
| 3 | 330 | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R17, R19, R21 |
| 2 | 1800 | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4, R5 |
| 2 | 470 | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R13, R14 |
| 2 | 560 | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R6, R7 |
| 2 | 910 | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R10, R11 |
| 1 | .47uF | Capacitors_THT:CP_Radial_Tantal_D4.5mm_P2.50mm | C46 |
| 1 | 150K | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R8 |
| 1 | 2000 | Potentiometers:Potentiometer_Trimmer_Bourns_3296W | RV1 |
| 1 | 20M | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R23 |
| 1 | 2N3904 | TO_SOT_Packages_THT:TO-92_Inline_Narrow_Oval | Q2 |
| 1 | 2N3906 | TO_SOT_Packages_THT:TO-92_Inline_Narrow_Oval | Q1 |
| 1 | 4700 | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3 |
| 1 | 5V 12V | Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm | JP1 |
| 1 | 7.5M | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R24 |
| 1 | ATX24 | ATX-24PIN:ATX-24PIN | J13 |
| 1 | ATtiny861A-PU | Housings_DIP:DIP-20_W7.62mm | U1 |
| 1 | BATT | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | J24 |
| 1 | DBG | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | J25 |
| 1 | DEBUG | Buttons_Switches_THT:SW_PUSH_6mm_h5mm | SW3 |
| 1 | DS18B20 | TO_SOT_Packages_THT:TO-92_Inline_Narrow_Oval | U2 |
| 1 | ISP | Pin_Headers:Pin_Header_Straight_2x03_Pitch2.54mm | J23 |
| 1 | L78L05_TO92 | TO_SOT_Packages_THT:TO-92_Inline_Narrow_Oval | U4 |
| 1 | LM4250 | Housings_DIP:DIP-8_W7.62mm | U5 |
| 1 | Logo_Open_Hardware_Large | Symbols:OSHW-Logo_7.5x8mm_SilkScreen | LOGO1 |
| 1 | Mounting holes | Connectors:1pin | J21 |
| 1 | PLED | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | J22 |
| 1 | PWR | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | J14 |
| 1 | PWR | Buttons_Switches_THT:SW_PUSH_6mm_h5mm | SW1 |
| 1 | PWR | LEDs:LED_D5.0mm | D3 |
| 1 | RST | Buttons_Switches_THT:SW_PUSH_6mm_h5mm | SW2 |
| 1 | RST | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | J15 |
| 1 | TIP29 | TO_SOT_Packages_THT:TO-220-3_Horizontal | Q3 |
| 1 | TIP30 | TO_SOT_Packages_THT:TO-220-3_Horizontal | Q4 |
More from ab0tj/MiniSys
9- 2 layers100 × 100 mm
- 2 layers100 × 100 mm
- 2 layers100 × 100 mm
- 2 layers100 × 100 mm
- 2 layers100 × 100 mm
- 2 layers100 × 100 mm
- 2 layers100 × 100 mm
- 2 layers100 × 100 mm
Similar boards
- 2 layers206.2 × 138.1 mm
- 2 layers40.3 × 111.8 mm
- 2 layers33.7 × 97.8 mm
HAN ESP TSS721
UtilitechAS/amsreader-firmware
ESP8266 and ESP32 compatible firmware to read, interpret and publish data to MQTT from smart electrical meters, both DLMS and DSMR is supported
29 parts470 - 2 layers121 × 68 mm
Freeds sanchez
pablozg/freeds
Derivador de energía solar excedente creado por Pablo Zerón, Diseño PCB por Amcalo, Tester original por Aeizoon, Wiki por Zoilo Mora
42 parts108 - 2 layers80 × 54.9 mm
ESP32WifiAisTempVolt2
AK-Homberger/NMEA2000WifiGateway-with-ESP32
This repository shows how to build a NMEA2000 WiFi Gateway with voltage and temperature alarms.
18 parts94GPL-3.0 - 2 layers52 × 61 mm
Arduino motorfocus
fehlfarbe/arduino-motorfocus
Arduino motorfocus with moonlite protocol for telescopes
23 parts58MIT - 2 layers69 × 57 mm
- 2 layers26 × 34.8 mm
Questions
How big is the MiniSys Backplane PCB?
It measures 268.6 × 120.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the MiniSys Backplane use?
129 parts, built around the ATTINY861A-PU, DS18B20, LM4250CJ and TX25-120P-6ST-H1E. 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 MiniSys Backplane KiCad files?
From the ab0tj/MiniSys repository on GitHub, at the commit this page was made from: the board is Boards/Backplane/MiniSys-Backplane.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the MiniSys Backplane design in my own project?
Its repository states no licence, so its author keeps all rights: ask ab0tj before reusing the design.