2 layers76.3 × 115.3 mm
2 layers78.5 × 116.3 mm
Keypad underglow
Fabian0520/keypad- Size
- 78.5 × 116.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 90
- Nets
- 71
- Pads
- 439
- Tracks, vias
- 1,078, 192
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 1 Feb 2019
- Updated
- 20 Apr 2019
Overview
Keypad underglow is an open-source printed circuit board by Fabian0520, from the Fabian0520/keypad repository on GitHub. It is a 2-layer board of 78.5 × 116.3 mm with 90 parts on 71 nets, routed with 1,078 tracks and 192 vias.
It is built around the ATMEGA32U4 and SK6805E-J. Its parts include 23 diodes, 20 switches, 16 capacitors, 8 resistors and 2 ICs. It belongs with the keyboards and input boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
2
ATMEGA32U4
UncategorisedUnknown maker
SK6805E-J
SMD,5.4x5mm-40℃~+85℃ 0.5mA 1.6mm 100mcd~200mcd 100ns 120° 1kHz 2000V 3.7V~5.5V 385mcd~697.5mcd 460nm~470nm 5.4mm 50ns 520nm~535nm 5mm 620nm~625nm 800Kbit/s 80mcd~160mcd 80ns Built-in power-on reset circuit Semi-transparent lens SMD,5.4x5mm RGB LEDs(Built-in IC) ROHSOPSCO OptoelectronicsRGB LEDs(Built-In IC)
README
README.mdFabiVan
Parts
90| Qty | Value | Footprint | References |
|---|---|---|---|
| 19 | LED_RABG | reverse_RGB_LED:reverse_RGB_LED | D_LED_1, D_LED_2, D_LED_3, D_LED_4, D_LED_5, D_LED_6, D_LED_10, D_LED_11, D_LED_12, D_LED_13, D_LED_14, D_LED_15, D_LED_16, D_LED_17, D_LED_18, D_LED_19 +3 |
| 18 | KEYSW | Button_Switch_Keyboard:SW_Cherry_MX1A_1.00u_PCB | K1_1, K1_2, K1_3, K1_4, K2_1, K2_2, K2_3, K2_4, K3_1, K3_2, K3_3, K3_4, K4_1, K4_2, K4_3, K5_1 +2 |
| 12 | SK6805 | LED_SMD:LED_SK6805_PLCC4_2.4x2.7mm_P1.3mm | D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 |
| 8 | D_x2_KCom_AAK | keyboard_parts:SOT23-3_HSOL | D1, D2, D3, D4, D5, D6, D7, D8 |
| 6 | R | keyboard_parts:R_1608 | R1, R2, R3, R4, R5, R6 |
| 4 | 0.1u | keyboard_parts:C_1608 | C1, C2, C3, C4 |
| 3 | 0.1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C9, C13, C15 |
| 3 | 0.47uF | Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C11, C14, C16 |
| 3 | C | keyboard_parts:C_1608 | C6, C7, C8 |
| 3 | D | Diode_SMD:D_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D9, D10, D11 |
| 1 | 100k | keyboard_parts:R_1608 | R8 |
| 1 | 20k | keyboard_parts:R_1608 | R7 |
| 1 | 22uF | Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C12 |
| 1 | 4.7u | keyboard_parts:C_1608 | C5 |
| 1 | ATMEGA32U4 | Package_QFP:LQFP-44_10x10mm_P0.8mm | U1 |
| 1 | C | Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C10 |
| 1 | IS31FL3733-TQLS4 | Package_QFP:LQFP-48-1EP_7x7mm_P0.5mm_EP3.6x3.6mm | IC1 |
| 1 | KEYSW | Button_Switch_Keyboard:SW_Cherry_MX1A_2.00u_PCB | K4_4 |
| 1 | SW_PUSH | keyboard_parts:SW_TACT_TH_HORIZ_LOW | SW1 |
| 1 | USB_mini_micro_B | Connector_USB:USB_Micro-B_Wuerth_629105150521 | J1 |
| 1 | XTAL_GND | Crystal:Crystal_SMD_0603-2Pin_6.0x3.5mm | X1 |
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Questions
How big is the Keypad underglow PCB?
It measures 78.5 × 116.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Keypad underglow use?
90 parts, built around the ATMEGA32U4 and SK6805E-J. 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 underglow KiCad files?
From the Fabian0520/keypad repository on GitHub, at the commit this page was made from: the board is keypad_underglow.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Keypad underglow design in my own project?
Its repository states no licence, so its author keeps all rights: ask Fabian0520 before reusing the design.