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This repository contains schematics, layout, and bill of materials for an OSHW microscope LED ring light. It can be controlled via the Capable Robot SAMD21 Touch HMI or any other MCU which has software libraries for the NeoPixel.
The PCB is powered and controlled via a 3.5mm TRS jack (more commonly known as a headphone jack).
The ring light is designed to fit around the end of a Opti-Tekscope OT-M HDMI Microscope, but it may fit around other microscopes with at 35mm diameter body. The project has a second PCB, which a matched M3 bolt hole pattern, which allows the LED Ring Light PCB to be clamped onto the aluminum structure of the microscope with long M3 bolts.
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| In Use on Microscope | System Setup |
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| Bare PCB | Assembled PCB |
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| Top Side of LED Ring | Bottom Side of LED Ring |
| Designator | Description | QTY | Value | Source |
|---|---|---|---|---|
| C1 - C4 | 1206 Capacitor | 4 | 10 uF | Generic |
| C5 - C8 | 0805 Capacitor | 4 | 100 nF | Generic |
| D1 - D16 | Adafruit Neopixel | 16 | Cool White | Adafruit : 2375 |
| D1 - D16 | Adafruit Neopixel | 0 | Warm White | Adafruit : 2376 |
| J1 | 3.5mm TRS Audio Jack | 1 | CUI : SJ-3524-SMT-TR | |
| R1 | 0805 Resistor | 1 | 330 ohm | Generic |
| LED Ring Light PCB [CRPPLG] | 1 | Capable Robot : Ring Light | ||
| Clamp PCB [CRPPLG] | 1 | Capable Robot : Clamp | ||
| M3x15 SHCS | 2 | Generic | ||
| M3 Hex Nut | 2 | Generic | ||
| HDMI Microscope | 1 | Opti-Tekscope : OT-M | ||
| Clamp Arm | 1 | Pangshi : Magic Arm |
- CRPPLG : Released 2018-03-08. Relicensed under CERN OHL v1.2 on 2018-10-03.
| Type | License |
|---|---|
| Hardware | Copyright Capable Robot Components 2018 This documentation describes Open Hardware and is licensed under the CERN OHL v1.2 or later. You may redistribute and modify this documentation under the terms of the CERN OHL v.1.2. This documentation is distributed WITHOUT ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING OF MERCHANTABILITY, SATISFACTORY QUALITY AND FITNESS FOR A PARTICULAR PURPOSE. Please see the CERN OHL v.1.2 for applicable conditions |
| Software | Not applicable. This project contains no software. |
| Documentation | Creative Commons Attribution-ShareAlike License |
More detailed information about the CERN License is available in the license folder and on the CERN website.
| OSHW Certification |
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| Certified open source hardware by the Open Source Hardware Association |