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+# digital-driver
+
+A photoreactor driver board designed to be controlled digitally over I2C.
+
+## PCB
+
+This PCB was designed using KiCAD version 5.
+Refer to `driver.pdf` for schematic.
+PCB images generated with [tracespace](https://github.com/tracespace/tracespace) follow.
+
+![top](./top.png "PCB top view")
+
+![bottom](./bottom.png "PCB bottom view")
+
+Bill of Materials
+
+| reference      | value         | manufacturer | part number | vendors |
+| :------------- | :------------ | :----------- | :---------- | :------ |
+| C2             | 10u           |              |             |         |
+| D1             | (red)         |              |             |         |
+| J3, J4         | Barrel Jack   |              |             |         |
+| J5             | fan connector |              |             |         |
+| J7             | LED connector |              |             |         |
+| R1             | 10k           |              |             |         |
+| R2             | 470           |              |             |         |
+| R5             | 1k            |              |             |         |
+| RV1            | 2.2k          |              |             |         |
+| TP1            |               |              |             |         |
+| TP2            |               |              |             |         |
+| TP3            |               |              |             |         |
+| U2             | LED driver    | Mean Well    | LDD-1000L   | [DigiKey](https://www.digikey.com/en/products/detail/mean-well-usa-inc/LDD-1000L/7704722) [Allied](https://www.alliedelec.com/product/mean-well/ldd-1000l/70345765/) |
+
+## Changelog
+
+### 1.0.0
+
+#### Added
+- initial design
+