

Ikapad controller
electronics for a homemade DDR pad
- Size
- 79.4 × 12.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 5
- Nets
- 20
- Pads
- 36
- Tracks, vias
- 39, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 18 Jun 2018
- Updated
- 18 Jun 2018
Overview
Ikapad controller is an open-source printed circuit board by evq, from the evq/ikapad repository on GitHub. It is a 2-layer board of 79.4 × 12.1 mm with 5 parts on 20 nets, routed with 39 tracks and 0 vias.
README
README.mdikapad
Electronics for a homemade DDR pad.
Uses four load cells per button configured in a full bridge measured by a HX711 amplifier and interfaced with a maple mini clone.
Load Cell Full Bridge

Shared on OSH Park.
BOM
| Name | Description | MPN |
|---|---|---|
| P1, P2, P3, P4 | MOLEX PICOBLADE 3POS 1.25MM | 0532610371 |
| P5 | TE CONN FPC 4POS 1.00MM | 84952-4 |
Amplifier Connector

Shared on OSH Park.
BOM
| Name | Description | MPN |
|---|---|---|
| P1 | TE CONN FPC 4POS 1.00MM | 84952-4 |
Controller Half Shield

Shared on OSH Park.
BOM
| Name | Description |
|---|---|
| A1, A2, A3, A4 | HX711 BREAKOUT BOARD |
| A5 | BAITE MAPLE MINI |
Parts
5| Qty | Value | Footprint | References |
|---|---|---|---|
| 1 | maple-mini-clone:Pin_Header_Straight_1x20_Pitch2.54mm | ||
| 1 | conn-down | module-hx711:conn-hx711-out | |
| 1 | conn-left | module-hx711:conn-hx711-out | |
| 1 | conn-right | module-hx711:conn-hx711-out | |
| 1 | conn-up | module-hx711:conn-hx711-out |
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Questions
How big is the Ikapad controller PCB?
It measures 79.4 × 12.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Ikapad controller use?
5 parts. 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 Ikapad controller KiCad files?
From the evq/ikapad repository on GitHub, at the commit this page was made from: the board is controller/ikapad-controller.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Ikapad controller design in my own project?
Its repository states no licence, so its author keeps all rights: ask evq before reusing the design.