StringsVR-SheepyHat
StringsVR·StringsVR·StringsVR-PCB/StringsVR-SheepyHat/StringsVR-SheepyHat.kicad_pcb
About the StringsVR-SheepyHat PCB
StringsVR-SheepyHat is an open source AVR/Arduino PCB design by StringsVR, published on GitHub. It is a 2-layer board measuring 145 × 83.5 mm, with 17 components from 11 distinct parts.
Its main chip is the nRF24L01, from the AVR/Arduino family. By type, the board carries 8 ICs, 4 connectors, 3 resistors, 1 switch and 1 diode.
It belongs with the iot & wireless designs in this gallery.
From the project
A DIY SteamVR Setup with wireless capabilities.

StringsVR-SheepyHat bill of materials (BOM)
17 components, 11 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | ~ | nRF24L01 | U1, U3 |
| 1 | ~ | Pro Micro | U2 |
| 1 | ~ | TP4056 | U4 |
| 1 | ~ | U3V40F5 | U5 |
| 3 | ~ | 18650SMD | U6, U7, U8 |
| 1 | MPU6050 | MPU6050 | J1 |
| 1 | Conn_02x20_Odd_Even | Pin_Header_Straight_2x20_Pitch2.54mm | J2 |
| 2 | Screw_Terminal_01x02 | CUI_TB003-500-P02BE | J3, J4 |
| 1 | SRB22A2BBBNN | SW_SRB22A2BBBNN_ZFE | SW2 |
| 1 | LED_RABG | LED_D5.0mm-4_RGB | D1 |
| 3 | 220 | R_0603_1608Metric | R1, R2, R3 |
StringsVR-SheepyHat design files
The KiCad project lives in the StringsVR/StringsVR repository on GitHub; these links point at the commit this page was built from.
StringsVR-SheepyHat: common questions
What microcontroller does the StringsVR-SheepyHat use?
The StringsVR-SheepyHat is built around the nRF24L01, from the AVR/Arduino family.
How big is the StringsVR-SheepyHat PCB?
The StringsVR-SheepyHat measures 145 × 83.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the StringsVR-SheepyHat?
17 components, from 11 distinct parts. The full bill of materials is listed on this page.
Where can I download the StringsVR-SheepyHat design files?
From the StringsVR/StringsVR repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the StringsVR-SheepyHat design in my own project?
The repository has no license, so all rights stay with StringsVR. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the StringsVR-SheepyHat 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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