angular-mk/angularmk-rgbThe AngularRGB is a, minimalistic, 40% keyboard that supports perkey RGB Lighting. We've noticed that there are no purchasing options for anyone interested in a rgb per key backlit keyboard, so we decided to create one.
Angularmk rgb is an open-source printed circuit board by angular-mk, from the angular-mk/angularmk-rgb repository on GitHub. It is a 2-layer board of 228.6 × 76.2 mm with 170 parts on 132 nets, routed with 1,745 tracks and 351 vias.
It is built around the ATMEGA32U4-MU, USB6B1 and WS2812. Its parts include 87 diodes, 43 switches, 16 capacitors, 6 resistors and 2 ICs. It belongs with the lEDs and displays and keyboards and input boards and the AVR (ATmega, ATtiny) boards of this library.
The AngularRGB is a, minimalistic, 40% keyboard that supports perkey RGB Lighting. We've noticed that there are no purchasing options for anyone interested in a rgb per key backlit keyboard, so we decided to create one. Website Description
The PCB consists of a 4x12 matrix layed out as a COL to ROW diode configuration with a staggered design. Additionally, there are slots cut out on the board to provide the space for the WS2812B-Mini RGB LEDs that provide the lighting. There are also numerous protection features, such as ESD protections for both the data lines aswell as the power lines; fueses protecting the precious microcontroller in a case of short circuit; and many more.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 45 | WS2812 | MX_Switches:REVERSE_LED | LED1, LED2, LED10, LED11, LED12, LED13, LED14, LED16, LED17, LED18, LED19, LED20, LED21, LED22, LED23, LED24 +29 |
| 41 | D | Diode_SMD:D_SOD-123 | D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23, D24 +25 |
| 32 | MX_1U | MX_Switches:MX-1U | SW2, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW21, SW22, SW23, SW24 +16 |
| 12 | 100n | Capacitor_SMD:C_0603_1608Metric | C4, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15, C16 |
| 10 | MountingHole_Pad | MountingHole:MountingHole_2.2mm_M2_DIN965_Pad | H1, H2, H3, H4, H5, H6, H7, H8, H9, H10 |
| 6 | MX_1.25U | MX_Switches:MX_1.25U | SW1.25U1, SW1.25U2, SW1.25U3, SW1.25U4, SW1.25U5, SW1.25U6 |
| 4 | 5k1 | Resistor_SMD:R_0603_1608Metric | R1, R2, R3, R4 |
| 2 | 1u | Capacitor_SMD:C_0603_1608Metric | C1, C5 |
| 2 | 20pF | Capacitor_SMD:C_0603_1608Metric | C2, C3 |
| 2 | 22 | Resistor_SMD:R_0603_1608Metric | R5, R6 |
| 2 | MX_1.75U | MX_Switches:MX-1.75U | SW1.75U1, SW1.75U2 |
| 2 | TestPoint | TestPoint:TestPoint_Pad_D2.0mm | TP1, TP2 |
| 1 | ATmega32U4-MU | Package_DFN_QFN:QFN-44-1EP_7x7mm_P0.5mm_EP5.2x5.2mm | U1 |
| 1 | Conn_01x09_Male | Connector_PinSocket_2.54mm:PinSocket_1x09_P2.54mm_Vertical | J1 |
| 1 | Crystal_GND24 | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | D | Diode_SMD:D_SOD-123F | D1 |
| 1 | Fuse | Fuse:Fuse_0603_1608Metric | F1 |
| 1 | HRO-TYPE-C-31-M-12 | Type-C:HRO-TYPE-C-31-M-12-Assembly | USB1 |
| 1 | MX_2.25U | MX_Switches:MX-2.25U | SW2.25U1 |
| 1 | MX_2.75U | MX_Switches:MX-2.75U | SW2.75U1 |
| 1 | SW_Push | MX_Switches:SPST-NO-4 | SW1 |
| 1 | USB6B1 | Package_TO_SOT_SMD:SOT-23-6 | U2 |
It measures 228.6 × 76.2 mm and has 2 copper layers, 1.6 mm thick.
170 parts, built around the ATMEGA32U4-MU, USB6B1 and WS2812. 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.
From the angular-mk/angularmk-rgb repository on GitHub, at the commit this page was made from: the board is Rev1.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask angular-mk before reusing the design.
angular-mk/angularmk-rgb
The AngularRGB is a, minimalistic, 40% keyboard that supports perkey RGB Lighting. We've noticed that there are no purchasing options for anyone interested in a rgb per key backlit keyboard, so we decided to create one.
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