Controller double
About the Controller double PCB
Controller double is an open source AVR/Arduino PCB design by yamamotsu, published on GitHub. It is a 2-layer board measuring 50 × 48 mm, with 31 components from 21 distinct parts.
Its main chip is the ATmega32U4-AU, from the AVR/Arduino family. By type, the board carries 9 capacitors, 9 resistors, 5 connectors, 5 diodes, 1 IC and 1 crystal.
It belongs with the keyboards designs in this gallery.
From the project
Custom Topre Split Keyboard
Main components on the Controller double
Controller double bill of materials (BOM)
31 components, 21 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATmega32U4-AU | TQFP-44_10x10mm_P0.8mm | U3 |
| 1 | 16MHz | Crystal_HC50_Vertical | Y1 |
| 1 | ICSP | PinHeader_2x03_P2.54mm_Vertical | J1 |
| 1 | USB_B_Micro | USB_Micro-B_Molex_47346-0001 | J2 |
| 1 | TRRS_Jack | TRRS_jack_MJ4PP9 | J3 |
| 2 | 6P_ZH_connector | ZH_6P_Horizontal | J4, J5 |
| 1 | RESET | SW_SPST_FSMSM | SW1 |
| 1 | D | D_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1 |
| 1 | L | D_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D2 |
| 1 | RX | D_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D3 |
| 1 | TX | D_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D4 |
| 1 | PWR | D_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D5 |
| 2 | 22p | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C8, C9 |
| 1 | 100n | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C10 |
| 2 | 0.1u | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C11, C15 |
| 3 | 1u | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C12, C13, C14 |
| 1 | 22u | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C16 |
| 2 | 10k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R16, R21 |
| 4 | 1k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R17, R18, R19, R20 |
| 2 | 22 | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R22, R23 |
Show 1 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 100k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R24 |
Controller double design files
The KiCad project lives in the yamamotsu/TopreSplit repository on GitHub; these links point at the commit this page was built from.
Controller double: common questions
What microcontroller does the Controller double use?
The Controller double is built around the ATmega32U4-AU, from the AVR/Arduino family.
How big is the Controller double PCB?
The Controller double measures 50 × 48 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Controller double?
31 components, from 21 distinct parts. The full bill of materials is listed on this page.
Where can I download the Controller double design files?
From the yamamotsu/TopreSplit repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Controller double design in my own project?
The repository has no license, so all rights stay with yamamotsu. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Controller double 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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