OTS
About the OTS PCB
OTS is an open source PCB design by wyolum, published on GitHub under the MIT license. It is a 2-layer board measuring 134.6 × 52.1 mm, with 22 components from 10 distinct parts.
Other key parts include the EZbluefruit, LCD_TFT, FeatherM0 and ProMini. By type, the board carries 7 capacitors, 7 resistors, 4 ICs, 1 connector and 1 switch.
It belongs with the keyboards and iot & wireless designs in this gallery.
From the project
Minimal Bluetooth Keyboard with rotary controller
[CERN Open Hardware Licence v1.2 ]:http://www.ohwr.org/attachments/2388/cernohlv12.txt
Main components on the OTS
OTS bill of materials (BOM)
22 components, 10 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | EZbluefruit | EZ_bluefruit | U7 |
| 1 | LCD_TFT | LCD_TFT | U8 |
| 1 | FeatherM0 | FeatherM0 | U9 |
| 1 | ProMini | Pro_Mini | U10 |
| 1 | POWER_UP | Pin_Header_Straight_1x02 | P43 |
| 1 | ENC_A | Encoder | E3 |
| 1 | ENC_B | Encoder | E4 |
| 1 | ON_OFF | SW_SPST | S2 |
| 7 | 1uF | Capacitor3MMDiscRM2.5 | C29, C30, C31, C32, C33, C34, C35 |
| 7 | 10k | Resistor_Horizontal_RM10mm | R21, R22, R23, R24, R25, R26, R27 |
OTS design files
The KiCad project lives in the wyolum/VeloKey repository on GitHub; these links point at the commit this page was built from.
OTS: common questions
How big is the OTS PCB?
The OTS measures 134.6 × 52.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the OTS?
22 components, from 10 distinct parts. The full bill of materials is listed on this page.
Where can I download the OTS design files?
From the wyolum/VeloKey repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the OTS design in my own project?
Yes, under the terms of its MIT license, which wyolum chose for the repository.
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