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# galvanosynth driver-pcb
An inexpensive circuit made for driving multiple electrochemical constant current reactions.
## PCB
This PCB was designed using [KiCAD](https://www.kicad.org/) version 5.
Refer to [galvanosynth.pdf](./galvanosynth.pdf) for schematic.
PCB images generated with [tracespace](https://github.com/tracespace/tracespace) follow.
<img src="./galvanosynth-.top.svg" width="100%"/>
<img src="./galvanosynth-.bottom.svg" width="100%"/>
## Bill of Materials
parts "per layer" for galvanosynth
| reference | value | manufacturer | part number | vendors |
| :------------- | :------------ | :------------ | :------------------- | :------ |
| trim pot, 2k | 3296X-1-202LF | 2.50 | 8 | 20.00 | |
| banana jack | 575-4 | 1.00 | 16 | 16.00 | |
| transistor, power | IRF630 | 1.50 | 8 | 12.00 | |
| PCB, mother | (custom) | 6.00 | 1 | 6.00 | |
| PCB, daughter | (custom) | 6.00 | 1 | 6.00 | |
| standoff, 2", stacking | 4558-440-AL | 1.50 | 4 | 6.00 | |
| op amp | LM358AP | 0.50 | 8 | 4.00 | |
| transistor, signal | 2N7000 | 0.25 | 8 | 4.00 | |
| bracket | (3D printed) | 2.00 | 2 | 4.00 | |
| trim pot, 1k | 3296X-1-102LF | 2.50 | 1 | 2.50 | |
| barrel jack | PJ-002A | 1.00 | 2 | 2.00 | |
| LED, red | LTST-C230KRKT | 0.25 | 8 | 2.00 | |
| 100 uF | C3216X5R1A107M160AC | 1.25 | 1 | 1.25 | |
| header, 40 pin, right angle | PRPC040SGAN-M71RC | 1.00 | 1 | 1.00 | |
| voltage regulator | L7815CV | 0.50 | 1 | 0.50 | |
| test point, red | 5010 | 0.50 | 1 | 0.50 | |
| test point, white | 5012 | 0.50 | 1 | 0.50 | |
| test point, yellow | 5014 | 0.50 | 1 | 0.50 | |
| 330 nF | CC1206JRX7R9BB334 | 0.25 | 1 | 0.25 | |
| LED, green | LTST-C150GKT | 0.25 | 1 | 0.25 | |
| 100 nF | CC1206KRX7R9BB104 | 0.10 | 1 | 0.10 | |
| 10 kΩ | RC1206FR-0710KL | 0.00 | 1 | 0.00 | |
| 47 Ω | RC1206FR-0747RL | 0.00 | 1 | 0.00 | |
| 1 kΩ | RC1206FR-071KL | 0.00 | 24 | 0.00 | |
| 100 kΩ | RC1206FR-07100KL | 0.00 | 16 | 0.00 | |
| 10 Ω | RC1206FR-0710RL | 0.00 | 8 | 0.00 | |
All prices are extended.
PCB itself should cost around $5.
## Changelog
### Unprinted
### Revision D
Changed
- initial design
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