

UC test PCB
- Size
- 93.9 × 32.3 mm
- Copper layers
- 4
- Thickness
- 1.14 mm
- Parts
- 38
- Nets
- 2
- Pads
- 192
- Tracks, vias
- 336, 69
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 7 Aug 2023
- Updated
- 7 May 2026
Overview
UC test PCB is an open-source printed circuit board by Max585t, from the Max585t/Every83 repository on GitHub. It is a 4-layer board of 93.9 × 32.3 mm with 38 parts on 2 nets, routed with 336 tracks and 69 vias.
It is built around the CORE52840, MCP73831T-2ACI/OT-HXY and SM03B-SRSS-TB, with the DMG2305UX and MBR120 among its other parts. Its parts include 10 resistors, 8 capacitors, 5 diodes, 3 ICs and 3 connectors.
Main components
5CORE52840
-- Bluetooth Modules ROHSWaveshareBluetooth ModulesMCP73831T-2ACI/OT-HXY
SOT-23-5LBattery ManagementHXY MOSFETSM03B-SRSS-TB
Header SR 1.0 SMT side entry, 1mm pitchJSTUncategorisedDMG2305UX
SOT-23-55℃~+150℃ 1 P-Channel 1.7W 190pF 1V 20V 4.1A 52mΩ@4.5V 7.8nC 740pF P-Channel SOT-23 MOSFETs ROHSTECH PUBLICMOSFETsMBR120
SOD-123Schottky DiodesDoeshare
Parts
38| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 100k | Resistor_SMD:R_0603_1608Metric | R7, R8, R9, R12 |
| 3 | 10uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C7, C8, C9 |
| 3 | 1K | Resistor_SMD:R_0603_1608Metric | R2, R3, R5 |
| 2 | 10uF | Capacitor_SMD:C_0805_2012Metric | C5, C6 |
| 2 | 22R | Resistor_SMD:R_0603_1608Metric | R1, R6 |
| 2 | KMR2 | Adafruit nRF52840 Bluefruit Feather Express Rev D:BTN_KMR2_4.6X2.8 | SW101, SW102 |
| 2 | LED | LED_SMD:LED_0805_2012Metric | D84, D85 |
| 2 | SM03B-SRSS-TB | footprints:CONN_SM03B-SRSS-TB_JST | J3, J4 |
| 1 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C3 |
| 1 | 0.1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4 |
| 1 | 4.7K | Resistor_SMD:R_0603_1608Metric | R4 |
| 1 | 781710004 | footprints:CON_781710004 | J1 |
| 1 | AP2112(3.3V) | Package_TO_SOT_SMD:SOT-23-5 | U2 |
| 1 | C | Capacitor_SMD:C_0603_1608Metric | C87 |
| 1 | Core52840 | footprints:Core52840 | U1 |
| 1 | D | Diode_SMD:D_SOD-323_HandSoldering | D77 |
| 1 | DMG2305 | Package_TO_SOT_SMD:SOT-23 | Q3 |
| 1 | JSTPH | Adafruit nRF52840 Bluefruit Feather Express Rev D:JSTPH2 | X3 |
| 1 | LED | Diode_SMD:D_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D103 |
| 1 | MBR120 | Diode_SMD:D_SOD-123 | D101 |
| 1 | MCP73831T-2ACI/OT | Package_TO_SOT_SMD:SOT-23-5 | U3 |
| 1 | ~ | fingerpunch:gateron-ks27-choc-v1-mx-hotswap | SW77 |
The 34 most common of 38 parts.
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Questions
How big is the UC test PCB PCB?
It measures 93.9 × 32.3 mm and has 4 copper layers, 1.14 mm thick.
What parts does the UC test PCB use?
38 parts, built around the CORE52840, MCP73831T-2ACI/OT-HXY, SM03B-SRSS-TB and DMG2305UX. 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 UC test PCB KiCad files?
From the Max585t/Every83 repository on GitHub, at the commit this page was made from: the board is PCB/uC_test_PCB/uC_test_PCB/uC_test_PCB.kicad_pcb and its schematic Keyboard_Matrix.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the UC test PCB design in my own project?
Its repository states no licence, so its author keeps all rights: ask Max585t before reusing the design.