Reviung39s
gtips·reviung·reviung39s/pcb/reviung39s.kicad_pcb
About the Reviung39s PCB
Reviung39s is an open source AVR/Arduino PCB design by gtips, published on GitHub under the MIT license. It is a 2-layer board measuring 247.9 × 104.5 mm, with 81 components from 7 distinct parts.
Its main chip is the ATMEGA32U4-AU, from the AVR/Arduino family. By type, the board carries 39 switches, 39 diodes, 1 IC and 1 connector.
It belongs with the keyboards designs in this gallery.
From the project
The REVIUNG39S is 39-key column staggered keyboard. Solder through hole mounting version.
The REVIUNG39S is 39-key column staggered keyboard. Solder through hole mounting version.
PCB --- 1 piece Top plate [acrylic] --- 1 sheet Bottom plate --- 1 piece ProMicro protection plate --- 1 Acrylic spacer --- 2 pieces Spacer --- 11 pieces M2 screw 5mm --- 23 pcs M2 screw 10mm --- 2 pcs M2 nut --- 3 pcs Rubber feet --- 5 pcs Diode [1N4148] --- 39 pieces Tact switch --- 1 piece Stabilizer --- 1 piece

Main components on the Reviung39s
Reviung39s bill of materials (BOM)
81 components, 7 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATMEGA32U4-AU ProMicro | ProMicro | U1 |
| 1 | Conn_01x03_Shielded | StripLED_1side | J1 |
| 1 | SW_PUSH | ResetSW_1side | RESET1 |
| 38 | SW_PUSH | MXOnly-1U-NoLED | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +30 |
| 1 | SW_2U_PUSH | MXOnly-2.25U-ReversedStabilizers-NoLED | SW38 |
| 33 | 1N4148 D | D3_TH | D1, D2, D3, D4, D5, D6, D7, D8 +25 |
| 6 | D | D3_TH | D34, D35, D36, D37, D38, D39 |
Reviung39s design files
The KiCad project lives in the gtips/reviung repository on GitHub; these links point at the commit this page was built from.
Reviung39s: common questions
What microcontroller does the Reviung39s use?
The Reviung39s is built around the ATMEGA32U4-AU, from the AVR/Arduino family.
How big is the Reviung39s PCB?
The Reviung39s measures 247.9 × 104.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Reviung39s?
81 components, from 7 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 Reviung39s design files?
From the gtips/reviung repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Reviung39s design in my own project?
Yes, under the terms of its MIT license, which gtips chose for the repository.
Can I test firmware for the Reviung39s 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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