2 layers78 × 129 mm
Prototype Numpad
justDeeevin/PiPad-17-KiCAD
KiCAD files for my PiPad 17's PCB. Includes files to use with JLCPCB's assembly service.
55 parts
2 layers121.4 × 116.7 mm
Keypad with filter
hung9988/HE16- Size
- 121.4 × 116.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 80
- Nets
- 94
- Pads
- 302
- Tracks, vias
- 7, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 3 Jun 2025
- Updated
- 25 Jul 2025
Overview
Keypad with filter is an open-source printed circuit board by hung9988, from the hung9988/HE16 repository on GitHub. It is a 2-layer board of 121.4 × 116.7 mm with 80 parts on 94 nets, routed with 7 tracks and 0 vias.
It is built around the OH49E-S, XC6206P332MR-G and GZ2012D101TF, with the B5819W and CD74HC4067SM96 among its other parts. Its parts include 34 capacitors, 18 resistors, 2 ICs, 1 diode and 1 fuse. It belongs with the keyboards and input boards of this library.
Main components
5
OH49E-S
SOT-23-20℃~+100℃ 2.5V~10V 2mV/Gs 4.2mA ±120mT SOT-23 Linear Hall Sensors ROHSNanjing Ouzhuo TechLinear Hall Sensors
XC6206P332MR-G
UncategorisedUnknown maker
GZ2012D101TF
08051 100Ω@100MHz 150mΩ 800mA ±25% 0805 Ferrite Beads ROHSSunlordFerrite Beads
B5819W
SOD-123-55℃~+125℃ 1.5A 1mA@40V 25A 40V 600mV@1A Standalone SOD-123 Schottky Diodes ROHSMDDSchottky Diodes
CD74HC4067SM96
SSOP-24-208mil-55℃~+125℃ 15ns 16 16:1 2V~6V 5pF 70Ω 89MHz SSOP-24-208mil Analog Switches, Multiplexers ROHSTexas InstrumentsAnalog Switches, Multiplexers
README
README.mdHUST Embedded Systems Project
This is a project for the course of Embedded Systems at HUST.
Project Overview
This project focus on the design of a analog macro pad using the Blackpill (STM32F411CEU6) microcontroller.
Features
- Analog Output: The macro pad can output analog signals.
- Rapid Trigger: A feature that allows the macro pad to send a signal immediately when a key is pressed, without waiting for the key to be released.
- USB HID: The macro pad will be recognized as a Human Interface Device (HID) by the host computer, allowing it to send key presses and other input events.
- USB CDC: The macro pad will support USB Communication Device Class (CDC) for serial communication with the host computer.
- Macro Support: The macro pad can be programmed to perform specific actions when certain keys are pressed.
External Links
Resources
References
Parts
80| Qty | Value | Footprint | References |
|---|---|---|---|
| 32 | 100n | Capacitor_SMD:C_0402_1005Metric | C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22, C23, C24, C25 +16 |
| 16 | 10k | Resistor_SMD:R_0402_1005Metric | R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18 |
| 16 | OH49E-S | PCM_marbastlib-xp-he:SW_MX_HE_0deg_1u | HE1, HE2, HE3, HE4, HE5, HE6, HE7, HE8, HE9, HE10, HE11, HE12, HE13, HE14, HE15, HE16 |
| 5 | MountingHole | MountingHole:MountingHole_3.2mm_M3_DIN965_Pad | H1, H2, H3, H4, H5 |
| 2 | 10u | Capacitor_SMD:C_0402_1005Metric | C1, C2 |
| 2 | 2k2 | Resistor_SMD:R_0402_1005Metric | R1, R2 |
| 1 | 100 @ 100 MHz | Inductor_SMD:L_0805_2012Metric | FB1 |
| 1 | 500mA | Fuse:Fuse_0603_1608Metric | F1 |
| 1 | B5819W | Diode_SMD:D_SOD-123 | D1 |
| 1 | BlackPill_STLINK | kicad_blackpill:BlackPill_STLINK | U6 |
| 1 | CD74HC4067SM | Package_SO:SSOP-24_5.3x8.2mm_P0.65mm | AM0 |
| 1 | SSD1306 | KiCad-SSD1306-128x64:128x64OLED | Brd1 |
| 1 | XC6206P332MR-G | Package_TO_SOT_SMD:SOT-23-3 | U4 |
Questions
How big is the Keypad with filter PCB?
It measures 121.4 × 116.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Keypad with filter use?
80 parts, built around the OH49E-S, XC6206P332MR-G, GZ2012D101TF and B5819W. 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 Keypad with filter KiCad files?
From the hung9988/HE16 repository on GitHub, at the commit this page was made from: the board is kicad/keypad_with_filter.kicad_pcb and its schematic kicad/keypad.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Keypad with filter design in my own project?
Its repository states no licence, so its author keeps all rights: ask hung9988 before reusing the design.
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