Eckeyboard
About the Eckeyboard PCB
Eckeyboard is an open source PCB design by yamamotsu, published on GitHub. It is a 2-layer board measuring 174.4 × 98.2 mm, with 71 components from 16 distinct parts.
Other key parts include the 74HC4051, NJM2742 and 74LS138. By type, the board carries 35 test points, 17 resistors, 14 capacitors, 3 ICs and 2 connectors.
It belongs with the keyboards designs in this gallery.
From the project
Custom Topre Split Keyboard
Main components on the Eckeyboard
Eckeyboard bill of materials (BOM)
71 components, 16 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74HC4051 | SOP-16_4.4x10.4mm_P1.27mm | U1 |
| 1 | NJM2742 | SO-8_5.3x6.2mm_P1.27mm | U2 |
| 1 | 74LS138 | DIP-16_W7.62mm_Socket_LongPads | U4 |
| 2 | Conn_01x06_Male | ZH_6P_Horizontal | J4, J5 |
| 31 | ToprePad | ToprePad_MntHole | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 +23 |
| 4 | ToprePad | ToprePad_MntHole_B | TP11, TP13, TP31, TP32 |
| 1 | 240p | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C1 |
| 8 | 2.2n | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C2, C3, C4, C5, C6, C7, C8, C9 |
| 4 | 0.1u | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C17, C18, C20, C21 |
| 1 | 47u | CP_Elec_6.3x5.4_Nichicon | C19 |
| 5 | 100k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R1, R2, R3, R4, R5 |
| 1 | 1k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R6 |
| 1 | 330 | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R7 |
| 1 | 270 | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R8 |
| 8 | 5.6k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R9, R11, R12, R13, R14, R15, R16, R17 |
| 1 | 56k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R10 |
Eckeyboard design files
The KiCad project lives in the yamamotsu/TopreSplit repository on GitHub; these links point at the commit this page was built from.
Eckeyboard: common questions
How big is the Eckeyboard PCB?
The Eckeyboard measures 174.4 × 98.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Eckeyboard?
71 components, from 16 distinct parts. The full bill of materials is listed on this page.
Where can I download the Eckeyboard 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 Eckeyboard 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.
byrantech
google