diff options
author | Blaise Thompson <blaise@untzag.com> | 2021-04-24 16:55:25 -0500 |
---|---|---|
committer | GitHub <noreply@github.com> | 2021-04-24 16:55:25 -0500 |
commit | e9975e2b16f095f2a92946e76af5343b98e76ccc (patch) | |
tree | e225b14cba263ce466e6f4ded30de7e2cbe8857d /digital-driver-board/README.md | |
parent | c42f09af60f1a984078a9806eb48afce5fe85b2c (diff) | |
parent | 871f3f9ebe774e12ba870eedd2409ee9af6a6189 (diff) |
Merge pull request #4 from plampkin/terminology
Updated terminology, add additional descriptions, updated graphics
Diffstat (limited to 'digital-driver-board/README.md')
-rw-r--r-- | digital-driver-board/README.md | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/digital-driver-board/README.md b/digital-driver-board/README.md new file mode 100644 index 0000000..7483c1d --- /dev/null +++ b/digital-driver-board/README.md @@ -0,0 +1,58 @@ +# 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 | DigiKey | Newark | +| :------------- | :------------ | :----------- | :---------- | :------ | :----- | +| C2 | 10u | | | | | +| C3 | 22u | | | | | +| D1 | (red) | | | | | +| D2 | (blue) | | | | | +| J1, J2 | | | | | | +| J3, J4 | | | | | | +| J5 | fan connector | | | | | +| J7 | LED connector | | | | | +| PS1 | | | | | | +| R1, R4, R6, R7 | | | | | | +| R2, R5 | | | | | | +| U1 | | | | | | +| U2 | | | | | | + +## I2C Interface + +DOCUMENTATION TODO + +## Firmware + +Find in "firmware" folder. + +Use Arduino IDE. + +We programmed the ATtiny85 using the sparkfun Tiny AVR Programmer: [PGM-11801](https://www.sparkfun.com/products/11801). + +## Changelog + +### Unprinted + +### Revision B + +#### Fixed +- silk screen polarity markings for LED +- backwards I2C connectors + +### Revision A + +#### Added +- initial design |