2 layers331.6 × 200.1 mm
2 layers132.6 × 71.1 mm
Ascii to raw matrix
abzman/ASCII-Keyboard1Arduino based ascii keyboard from matrix
- Size
- 132.6 × 71.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 45
- Nets
- 87
- Pads
- 264
- Tracks, vias
- 526, 66
- Pours
- 16
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 29 Nov 2020
- Updated
- 31 Aug 2024
Overview
Ascii to raw matrix is an open-source printed circuit board by abzman, from the abzman/ASCII-Keyboard repository on GitHub. It is a 2-layer board of 132.6 × 71.1 mm with 45 parts on 87 nets, routed with 526 tracks and 66 vias.
It is built around the 74HCT597D, 74AHCT595D and 74LS86, with the L7805 among its other parts. Its parts include 11 connectors, 9 capacitors, 7 resistors, 7 ICs and 2 diodes. It belongs with the lEDs and displays boards of this library.
Main components
4
74HCT597D
SO-16-40℃~+125℃ 23ns@4.5V,50pF 25mA 4.5V~5.5V 500mW 74HCT 8 83MHz Asynchronous clear function、Asynchronous parallel load function Parallel or Serial to Serial SO-16 Shift Registers ROHSNexperiaShift Registers
74AHCT595D
SOP-16-40℃~+125℃ 1 110MHz 4.5V~5.5V 5.3ns@5V,50pF 500mW 74AHCT 8 Serial-to-Serial or Parallel Tri-State SOP-16 Shift Registers ROHSNexperiaShift Registers
74LS86
DIP-14-20℃~+75℃ 10mA 2.7V 23ns@5V,15pF 2V 400mV 400uA 5V 74LS 800mV 8mA XOR Gate DIP-14 Logic Gates ROHSHITLogic Gates
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
README
README.mdASCII-Keyboard
Arduino based ascii keyboard from matrix
Parts
45| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 100nF | Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm | C1, C2, C3, C4, C5, C6, C7 |
| 7 | 4.7K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3, R20, R21, R24, R25 |
| 4 | Conn_01x02_Pin | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J1, J2, J3, J4 |
| 2 | 10K | Resistor_THT:R_Array_SIP10 | RN1, RN2 |
| 2 | 10uF | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C8, C9 |
| 2 | 74HCT597 | Package_DIP:DIP-16_W7.62mm | U4, U5 |
| 1 | 74AHCT595 | Package_DIP:DIP-16_W7.62mm | U3 |
| 1 | 74LS138 | Package_DIP:DIP-16_W7.62mm | U1 |
| 1 | 74LS86 | Package_DIP:DIP-14_W7.62mm | U2 |
| 1 | Arduino Pro Mini | Evan's parts:Arduino Pro Mini ver. A | U6 |
| 1 | Control LED | LED_THT:LED_D3.0mm | D2 |
| 1 | L7805 | Package_TO_SOT_THT:TO-220-3_Horizontal_TabDown | U7 |
| 1 | LOGO | Evan's parts:Evan Logo | G*** |
| 1 | LOGO | Evan's parts:pcbway logo | G*** |
| 1 | LOGO | Evan's parts:OSHW gear | G*** |
| 1 | Shift LED | LED_THT:LED_D3.0mm | D1 |
| 1 | apple 2e platinum | Connector_PinHeader_2.54mm:PinHeader_2x13_P2.54mm_Vertical | J11 |
| 1 | invert busy | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J6 |
| 1 | invert strobe | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J5 |
| 1 | parallel ascii | Evan's parts:amphenol db25 | J10 |
| 1 | parallel ascii | Connector_PinHeader_2.54mm:PinHeader_2x13_P2.54mm_Vertical | J9 |
| 1 | power in | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J8 |
| 1 | reset | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J7 |
The 41 most common of 45 parts.
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Questions
How big is the Ascii to raw matrix PCB?
It measures 132.6 × 71.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Ascii to raw matrix use?
45 parts, built around the 74HCT597D, 74AHCT595D, 74LS86 and L7805. 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 Ascii to raw matrix KiCad files?
From the abzman/ASCII-Keyboard repository on GitHub, at the commit this page was made from: the board is boards/ascii to raw matrix/ascii to raw matrix.kicad_pcb and its schematic boards/ascii to raw matrix/ascii to raw matrix.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Ascii to raw matrix design in my own project?
Its repository states no licence, so its author keeps all rights: ask abzman before reusing the design.