2 layers20 × 110 mm
ComposerMIDICV
CopycatMusic/ComposerMIDICV
4 HP Eurorack USB/TRS MIDI-to-CV module: RP2354A firmware, KiCad hardware and v1.0 manufacturing files.
87 parts2AGPL-3.0
2 layers14.8 × 30.4 mm
Beacon
tmsmr/beaconPANIC
- Size
- 14.8 × 30.4 mm
- Copper layers
- 2
- Thickness
- 1.58 mm
- Parts
- 31
- Nets
- 55
- Pads
- 144
- Tracks, vias
- 159, 27
- Pours
- 11
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 14 Jul 2026
- Updated
- 19 Aug 2026
Overview
Beacon is an open-source printed circuit board by tmsmr, from the tmsmr/beacon repository on GitHub, published under the MIT licence. It is a 2-layer board of 14.8 × 30.4 mm with 31 parts on 55 nets, routed with 159 tracks and 27 vias.
It is built around the RP2354A, ABM8-272-T3 and AOTA-B201610S3R3-101-T, with the SK6812 among its other parts. Its parts include 18 capacitors, 6 resistors, 2 ICs, 2 connectors and 1 diode. It belongs with the RP2350 boards of this library.
Main components
4
RP2354A
QFN-60(7x7)150MHz 32 Bit ARM Cortex-M33 Built-in+External Power-on reset (POR)、Undervoltage detection (BOR/LVD/LVR/LVI)、Watchdog reset、Built-in general-purpose timer、Integrated LDO、Calendar function、True random number generator (TRNG)、Hardware ECC check、Independent watchdog (IWDG) QFN-60(7x7) Microcontrollers (MCU/MPU/SOC) ROHSRaspberry PiMicrocontrollers (MCU/MPU/SOC)
ABM8-272-T3
SMD3225-4P-40℃~+85℃ 10pF 12MHz 50Ω SMD crystal oscillator ±30ppm ±30ppm SMD3225-4P Crystals ROHSAbraconCrystals
AOTA-B201610S3R3-101-T
0806115mΩ 2.1A 2.4A 3.3uH Molded inductor 0806 Molding Power Inductors ROHSAbraconPower Inductors
SK6812
SMD-4P,5.4x5mm-40℃~+85℃ 0.6mA 1.6mm 120° 160mcd~320mcd 1kHz 2000V 280mcd~515mcd 3.7V~5.5V 460nm~470nm 520nm~530nm 620nm~625nm 800Kbit/s 815mcd~1275mcd Built-in power-on reset circuit Semi-transparent lens SMD-4P,5.4x5mm RGB LEDs(Built-in IC) ROHSOPSCO OptoelectronicsRGB LEDs(Built-In IC)
README
beacon.kicad/README.mdbeacon.kicad
- Design rules imported from https://github.com/AislerHQ/aisler-support/tree/master/kicad/aisler-2-layer-simple-drc
Parts
31| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 100n | Capacitor_SMD:C_0805_2012Metric | C8, C11, C12, C13, C14, C15, C16, C17, C18 |
| 3 | 10u | Capacitor_SMD:C_0805_2012Metric | C1, C5, C19 |
| 2 | 15p | Capacitor_SMD:C_0805_2012Metric | C3, C4 |
| 2 | 27 | Resistor_SMD:R_0402_1005Metric | R7, R8 |
| 2 | 4.7u | RP2354A:C_0402_1005Metric_small_pads | C6, C7 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric | R2 |
| 1 | 33 | Resistor_SMD:R_0402_1005Metric | R5 |
| 1 | 4.7u | Capacitor_SMD:C_0805_2012Metric | C10 |
| 1 | 4.7u | Capacitor_SMD:C_0402_1005Metric | C9 |
| 1 | 500 | Resistor_SMD:R_0805_2012Metric | R3 |
| 1 | 5k1 | Resistor_SMD:R_0402_1005Metric | R1 |
| 1 | ABM8-272-T3 | ABM8-272-T3:ABM8272T3 | Y1 |
| 1 | AOTA-B201610S3R3-101-T | AOTA-B201610S3R3-101-T:AOTAB201610S3R3101T | L1 |
| 1 | NCP1117-3.3_SOT223 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | RP2354A | RP2354A:RP2354A-QFN-60-1EP_7x7_P0.4mm_EP3.4x3.4mm_ThermalVias | U1 |
| 1 | SK6812 | LED_SMD:LED_SK6812_PLCC4_5.0x5.0mm_P3.2mm | D1 |
| 1 | SWD | Connector_PinHeader_1.27mm:PinHeader_1x03_P1.27mm_Horizontal | J2 |
| 1 | USB | Connector_PinHeader_1.27mm:PinHeader_1x05_P1.27mm_Horizontal | J1 |
Questions
How big is the Beacon PCB?
It measures 14.8 × 30.4 mm and has 2 copper layers, 1.58 mm thick.
What parts does the Beacon use?
31 parts, built around the RP2354A, ABM8-272-T3, AOTA-B201610S3R3-101-T and SK6812. 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 Beacon KiCad files?
From the tmsmr/beacon repository on GitHub, at the commit this page was made from: the board is beacon.kicad/beacon.kicad_pcb and its schematic beacon.kicad/beacon.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Beacon design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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