2 layers26.5 × 49.9 mm
2 layers83.5 × 99.9 mm
Esc array
k-off/fixed_wing_uavA minimal fixed wing drone project
- Size
- 83.5 × 99.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 352
- Nets
- 15
- Pads
- 598
- Tracks, vias
- 474, 192
- Pours
- 30
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 17 Jul 2025
- Updated
- 18 Jul 2025
Overview
Esc array is an open-source printed circuit board by k-off, from the k-off/fixed_wing_uav repository on GitHub, published under the Apache-2.0 licence. It is a 2-layer board of 83.5 × 99.9 mm with 352 parts on 15 nets, routed with 474 tracks and 192 vias.
It is built around the SI2300. Its parts include 48 resistors, 30 capacitors and 24 transistors. It belongs with the robots and motor control boards and the RP2350 boards of this library.
Main components
1README
esc/esc_array/readme.mdJLCPCB manufactures boards of size of up to 100x100mm for the same price.
The esc board is much smaller, so it is possible to combine multiple pcb-s in an array on a single panel.
So here's an array of 6 esc-s.
Parts
352| Qty | Value | Footprint | References |
|---|---|---|---|
| 181 | , , , , , , , , , , , , , , , +165 | ||
| 24 | 100uF | Capacitor_THT:CP_Radial_D10.0mm_P3.50mm | C1, C2, C10, C11, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22, C24, C25 +8 |
| 24 | 470R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R13, R14, R15, R16, R21, R22, R23, R24, R29, R30, R31, R32, R37, R38, R39, R40 +8 |
| 24 | 5.1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R3, R10, R11, R12, R17, R18, R19, R20, R25, R26, R27, R28, R33, R34 +8 |
| 24 | SI2300 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2, Q10, Q11, Q12, Q13, Q14, Q15, Q16, Q17, Q18, Q19, Q20, Q21, Q22, Q23 +8 |
| 6 | 22uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C5, C6, C9, C12, C23, C28 |
| 6 | GND | Connector_PinSocket_2.54mm:PinSocket_2x04_P2.54mm_Vertical | 3.3V1, 3.3V2, 3.3V3, 3.3V4, 3.3V5, 3.3V6 |
| 6 | HT75xx-1-SOT89 | Package_TO_SOT_SMD:SOT-89-3 | HT7533, HT7534, HT7535, HT7536, HT7537, HT7538 |
| 6 | batt_in | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | batt_in1, batt_in2, batt_in3, batt_in4, batt_in5, batt_in6 |
| 6 | control | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | control_in1, control_in2, control_in3, control_in4, control_in5, control_in6 |
| 6 | load- | Connector_PinSocket_2.54mm:PinSocket_2x04_P2.54mm_Vertical | load+1, load+2, load+3, load+4, load+5, load+6 |
The 313 most common of 352 parts.
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Questions
How big is the Esc array PCB?
It measures 83.5 × 99.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Esc array use?
352 parts, built around the SI2300. 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 Esc array KiCad files?
From the k-off/fixed_wing_uav repository on GitHub, at the commit this page was made from: the board is esc/esc_array/untitled.kicad_pcb and its schematic esc/esc.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Esc array design in my own project?
Its repository publishes it under the Apache-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).