Slice SERV
feastorg·Slice_SERV·hardware/BREAD_Slice.kicad_pcb
About the Slice SERV PCB
Slice SERV is an open source AVR/Arduino PCB design by feastorg, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 70 × 100 mm, with 20 components from 14 distinct parts.
Its main chip is the Arduino_Nano_v3.x, from the AVR/Arduino family. By type, the board carries 10 connectors, 5 capacitors, 1 IC, 1 module, 1 diode and 1 inductor.
It belongs with the robotics & motion designs in this gallery.
From the project
Servo Motor Control Slice for BREAD

Main components on the Slice SERV
Slice SERV bill of materials (BOM)
20 components, 14 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ~ | TSOT-23-6 | U1 |
| 1 | Arduino_Nano_v3.x | Arduino_Nano | A1 |
| 1 | I2C_01x04 | JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal | J1 |
| 1 | Conn_01x10_Female | PinSocket_1x10_P2.54mm_Horizontal | J2 |
| 5 | Screw_Terminal_01x03 | TerminalBlock_Phoenix_MPT-0,5-3-2.54_1x03_P2.54mm_Horizontal | J3, J4, J5, J6, J7 |
| 1 | Screw_Terminal_01x02 | TerminalBlock_Phoenix_MPT-0,5-2-2.54_1x02_P2.54mm_Horizontal | J8 |
| 1 | Conn_01x03_Male | PinSocket_1x03_P2.54mm_Vertical | J9 |
| 1 | Conn_01x02_Pin | PinSocket_1x02_P2.54mm_Vertical | J10 |
| 1 | Heatsink_Pad | Thermal Pad | HS1 |
| 1 | WS2812B_5050 | WS2812-5050-4PIN | D1 |
| 1 | 4.7uH | L_1210_3225Metric | L1 |
| 3 | 22uF | C_1206_3216Metric | C1, C3, C4 |
| 1 | 100nF | C_1206_3216Metric | C2 |
| 1 | 10uF_t | C_2220_5750Metric_Pad1.97x5.40mm_HandSolder | C5 |
Slice SERV design files
The KiCad project lives in the feastorg/Slice_SERV repository on GitHub; these links point at the commit this page was built from.
- Layouthardware/BREAD_Slice.kicad_pcb
- Schematichardware/BREAD_Slice.kicad_sch
Slice SERV: common questions
What microcontroller does the Slice SERV use?
The Slice SERV is built around the Arduino_Nano_v3.x, from the AVR/Arduino family.
How big is the Slice SERV PCB?
The Slice SERV measures 70 × 100 mm, has 2 copper layers and is 1.67 mm thick.
How many components are on the Slice SERV?
20 components, from 14 distinct parts. The full bill of materials is listed on this page.
Where can I download the Slice SERV design files?
From the feastorg/Slice_SERV repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Slice SERV design in my own project?
Yes, under the terms of its GPL-3.0 license, which feastorg chose for the repository.
Can I test firmware for the Slice SERV without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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