Verbum horologium
i-Saac-IV·verbum-horologium·assets/pcb/verbum-horolgium.kicad_pcb
About the Verbum horologium PCB
Verbum horologium is an open source RP2040/RP2350 PCB design by i-Saac-IV, published on GitHub under the MIT license. It is a 2-layer board measuring 100 × 100 mm, with 21 components from 17 distinct parts.
Its main chip is the SC0915, from the RP2040/RP2350 family. Other key parts include the AP63205WU-7, 1602 and 3013. By type, the board carries 7 capacitors, 5 resistors, 3 modules, 3 diodes, 1 IC and 1 fuse.
It belongs with the displays & leds designs in this gallery.
From the project
A digital clock that displays time in an analog fashion.
Please insure that: - The LED diffuser is cut out of white acrylic. - The clock face is cut out of a thin and opaque material. - The bottom and sides are cut out of an opaque material.
Doing so will ensure the clock performs at its best.
For programming of the Raspberry Pi Pico W via the Arduino IDE I've included the board library I used here: - Arduino Pico by Earle F. Philhower, III (v5.6.0)

Main components on the Verbum horologium
Verbum horologium bill of materials (BOM)
21 components, 17 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AP63205WU-7 | SOIC_05WU-7_DIO | U1 |
| 1 | SC0915 RaspberryPi_Pico | RaspberryPi_Pico_Common_Unspecified | A1 |
| 1 | 1602 CAP1188 | CAP1188-breakout | A2 |
| 1 | 3013 DS3231 | DS3231-breakout | A3 |
| 1 | JB06F2501R 2.5A | Fuse_0603_1608Metric | F1 |
| 1 | 150120RS75000 POWER | LED_1206_3216Metric | D1 |
| 1 | 150120YS75000 ACTIVITY | LED_1206_3216Metric | D2 |
| 1 | V1P6-M3/H | D_MicroSMP_LargeCathode | D3 |
| 1 | 744066100 10u | L_Wurth_WE-TPC-1038 | L1 |
| 1 | C1210C106K5PACTU 10u | C_1210_3225Metric | C1 |
| 2 | C1206C226M8PACTU 22u | C_1206_3216Metric | C2, C4 |
| 3 | UWT1A102MNL1GS 1000u | CP_Elec_10x10 | C3, C6, C7 |
| 1 | C0805F104K1RACAUTO 100n | C_0805_2012Metric | C5 |
| 1 | R | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1 |
| 1 | NSL-A5012 18-44k | SolderWire-1.5sqmm_1x2_P5mm_D1.7mm_OD3mm_Relief | R2 |
| 2 | CRGCQ0603F180R 180 | R_0603_1608Metric | R3, R4 |
| 1 | 20k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R5 |
Verbum horologium design files
The KiCad project lives in the i-Saac-IV/verbum-horologium repository on GitHub; these links point at the commit this page was built from.
Verbum horologium: common questions
What microcontroller does the Verbum horologium use?
The Verbum horologium is built around the SC0915, from the RP2040/RP2350 family.
How big is the Verbum horologium PCB?
The Verbum horologium measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Verbum horologium?
21 components, from 17 distinct parts. The full bill of materials is listed on this page.
Where can I download the Verbum horologium design files?
From the i-Saac-IV/verbum-horologium repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Verbum horologium design in my own project?
Yes, under the terms of its MIT license, which i-Saac-IV chose for the repository.
Can I test firmware for the Verbum horologium 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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