OMEGA--1.2
adirock09·OMEGA--1.2·OMEGA (Custom Rp2040 Chip MicroPad)/PCB/Custom Rp2040 Micropad( Omega).kicad_pcb
About the OMEGA--1.2 PCB
OMEGA--1.2 is an open source RP2040/RP2350 PCB design by adirock09, published on GitHub. It is a 2-layer board measuring 58 × 74 mm, with 51 components from 18 distinct parts.
Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the MCP1700x-330xxTT and W25Q16JVUXIQ TR. By type, the board carries 17 capacitors, 11 switches, 10 diodes, 7 resistors, 3 ICs and 2 connectors.
It belongs with the keyboards and displays & leds designs in this gallery.
From the project
This is a Custom Rp2040 Chip Based MicroPad , It has 9 Switches , a roter encode and a oled screen . We used matrix for switches so it uses less gpio pins and it has 4 layers the rotor key is used to change the layers which is displaced on the screen so in total we have keys outp
This is a Custom Rp2040 Chip Based MicroPad , It has 9 Switches , a roter encode and a oled screen . We used matrix for switches so it uses less gpio pins and it has 4 layers the rotor key is used to change the layers which is displaced on the screen so in total we have keys output 9x4=36 + 4 outputs from rotor = 40 Outputs. ## Features
- Based on RP2040 Chip - Has total 40 Outputs ## Firmware - Firmware is based on QMK. ### Schematic
Main components on the OMEGA--1.2
OMEGA--1.2 bill of materials (BOM)
51 components, 18 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | RP2040 | QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mm | U1 |
| 1 | MCP1700x-330xxTT | SOT-23 | U2 |
| 1 | W25Q16JVUXIQ TR | Winbond_USON-8-1EP_3x2mm_P0.5mm_EP0.2x1.6mm | U4 |
| 1 | 12 MHz | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | USB_C_Receptacle_USB2.0_14P | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | Conn_01x04_Pin | OLED_128x32 | J2 |
| 1 | SW_Push | SW_Push_SPST_NO_Alps_SKRK | SW1 |
| 1 | RotaryEncoder_Switch_MP | RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | SW2 |
| 9 | SW_Push | SW_Cherry_MX_1.00u_PCB | SW4, SW5, SW6, SW7, SW8, SW9, SW13, SW14 +1 |
| 10 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D1, D4, D5, D6, D7, D8, D9, D10 +2 |
| 2 | 1uF | C_0402_1005Metric | C1, C10 |
| 11 | 0.1uF | C_0402_1005Metric | C2, C3, C4, C5, C6, C7, C8, C9 +3 |
| 2 | 10uF | C_0603_1608Metric | C13, C14 |
| 2 | 33pF | C_0402_1005Metric | C15, C16 |
| 2 | 5.1K | R_0402_1005Metric | R1, R2 |
| 2 | 27 | R_0402_1005Metric | R3, R4 |
| 2 | 1K | R_0402_1005Metric | R5, R6 |
| 1 | 10K | R_0402_1005Metric | R7 |
OMEGA--1.2 design files
The KiCad project lives in the adirock09/OMEGA--1.2 repository on GitHub; these links point at the commit this page was built from.
OMEGA--1.2: common questions
What microcontroller does the OMEGA--1.2 use?
The OMEGA--1.2 is built around the RP2040, from the RP2040/RP2350 family.
How big is the OMEGA--1.2 PCB?
The OMEGA--1.2 measures 58 × 74 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the OMEGA--1.2?
51 components, from 18 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the OMEGA--1.2 design files?
From the adirock09/OMEGA--1.2 repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the OMEGA--1.2 design in my own project?
The repository has no license, so all rights stay with adirock09. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the OMEGA--1.2 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.
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