AlexJ bz ArduinoGigaShield
About the AlexJ bz ArduinoGigaShield PCB
AlexJ bz ArduinoGigaShield is an open source PCB design by ajokela, published on GitHub under the BSD-3-Clause license. It is a 2-layer board measuring 155 × 90 mm, with 55 components from 8 distinct parts.
Other key parts include the SN74LVC8T245PW. By type, the board carries 27 capacitors, 10 connectors, 9 ICs and 9 resistors.
It belongs with the retro computing, iot & wireless and dev boards & breakouts designs in this gallery.
From the project
Arduino Giga R1 WiFi Shield with SN74LVC8T245PW driven level shifters for Z80 RetroShield interfacing
This is a redesigned shield/daughter board for the Arduino Giga R1 WiFi that replaces the original TXB0108PW auto-sensing bidirectional level translators with SN74LVC8T245PW driven (direction-controlled) level shifters.
The board provides 72 channels of 3.3V-to-5V level shifting across 9 ICs, mapping the Giga's 3.3V GPIO signals to 5V-compatible headers suitable for interfacing with retro hardware such as the Z80 CPU via a RetroShield.
Main components on the AlexJ bz ArduinoGigaShield
AlexJ bz ArduinoGigaShield bill of materials (BOM)
55 components, 8 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 9 | SN74LVC8T245PW TXB0108PW | TSSOP-20_4.4x6.5mm_P0.65mm | U1, U2, U3, U4, U5, U6, U7, U8 +1 |
| 5 | Conn_01x08 | PinHeader_1x08_P2.54mm_Vertical | J1, J3, J4, J6, J7 |
| 1 | Conn_01x10 | PinHeader_1x10_P2.54mm_Vertical | J2 |
| 2 | Conn_01x26 | PinHeader_1x26_P2.54mm_Vertical | J5, J8 |
| 1 | JSIDE | PinHeader_2x18_P2.54mm_Vertical | J9 |
| 1 | JSIDE_5V | PinHeader_2x18_P2.54mm_Vertical | J10 |
| 27 | 0.1UF 0.1uF | C_0603_1608Metric | C1, C2, C3, C4, C5, C6, C7, C8 +19 |
| 9 | 10K | R_0603_1608Metric | R1, R2, R3, R4, R5, R6, R7, R8 +1 |
AlexJ bz ArduinoGigaShield design files
The KiCad project lives in the ajokela/giga-shield repository on GitHub; these links point at the commit this page was built from.
AlexJ bz ArduinoGigaShield: common questions
How big is the AlexJ bz ArduinoGigaShield PCB?
The AlexJ bz ArduinoGigaShield measures 155 × 90 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the AlexJ bz ArduinoGigaShield?
55 components, from 8 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 AlexJ bz ArduinoGigaShield design files?
From the ajokela/giga-shield repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the AlexJ bz ArduinoGigaShield design in my own project?
Yes, under the terms of its BSD-3-Clause license, which ajokela chose for the repository.
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