Base
About the Base PCB
Base is an open source PCB design by hstarmans, published on GitHub under the CC-BY-NC-4.0 license. It is a 2-layer board measuring 105.5 × 66 mm, with 32 components from 16 distinct parts.
Other key parts include the DIGIPOT_50K, U_IC-HKB and MIC920. By type, the board carries 11 connectors, 10 resistors, 6 capacitors, 4 ICs and 1 inductor.
It belongs with the robotics & motion designs in this gallery.
From the project
Kicad design files for prism laser direct imager using up5k FPGA and ESP32
KiCad design files for the Hexastorm, an open-hardware prism laser direct imager. This project utilizes an ESP32-S3 and an iCE40 UP5K FPGA to achieve high-resolution, high-speed laser exposure.
The design files are organized into two primary categories:
MCU: ESP32-S3 (N32R8V) utilizing 8MB Octal PSRAM for rapid image buffering. FPGA: Lattice iCE40 UltraPlus 5k (UP5K) for nanosecond-level laser modulation and real-time synchronization with the prism index pulses. Vision & Alignment: Features a dedicated 24-pin FPC camera connector supporting the OV2640 sensor for precise laser alignment.…
Main components on the Base
Base bill of materials (BOM)
32 components, 16 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | DIGIPOT_50K | TDFN-8-1EP | U1 |
| 1 | U_IC-HKB | ICHKB | U2 |
| 2 | MIC920 | SOT-353_SC-70-5_Handsoldering | U4, U5 |
| 1 | Conn_01x13 | motor_13pin | J2 |
| 1 | mirrormotor | mirror_motor | J6 |
| 8 | Conn_01x01 | throughholeplate | J7, J8, J9, J10, J11, J12, J13, J14 |
| 1 | 2-84952-0 | 2-84952-0 | J19 |
| 1 | Logo_Open_Hardware_Large | kicad | L3 |
| 1 | 47nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 3 | 1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C3, C8 |
| 1 | 0.1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4 |
| 1 | 220pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C6 |
| 3 | 22K | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R7, R10 |
| 2 | 10K | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R3 |
| 4 | 8K2 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6, R8, R9, R12 |
| 1 | 1K5 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R11 |
Base design files
The KiCad project lives in the hstarmans/firestarter repository on GitHub; these links point at the commit this page was built from.
Base: common questions
How big is the Base PCB?
The Base measures 105.5 × 66 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Base?
32 components, from 16 distinct parts. The full bill of materials is listed on this page.
Where can I download the Base design files?
From the hstarmans/firestarter repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Base design in my own project?
It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.
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