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Hat

DagaVedant·Hydroponic-Garden·PCB/kicad/hat/hat.kicad_pcb

Hat layout, top view — open source board by DagaVedant
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About the Hat

Hat is an open source PCB design by DagaVedant, published on GitHub. It is a 4-layer board measuring 216.8 × 226.3 mm, with 89 components from 57 distinct parts.

Other key parts include the INA226 module 0x40, buck module 12V->5V, AMS1117 3.3V module, CD4538 and CD4081. By type, the board carries 29 resistors, 20 ICs, 16 connectors, 10 transistors, 10 diodes and 3 capacitors.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

i wanted a hydroponic tower thats one efficent, two scalable, and doesnt need tons of tubes to water each layer and this design only needs one pump, its modular, and each level gets the same amount of water

i wanted a hydroponic tower thats one efficent, two scalable, and doesnt need tons of tubes to water each layer and this design only needs one pump, its modular, and each level gets the same amount of water

the hat is a single 4-layer board, 217 x 226mm (down from an original 330 x 283mm)

Hat, from the project README
From the project README

Main components on the Hat

INA226 module 0x40buck module 12V->5VAMS1117 3.3V moduleCD4538CD408124LC32A/PADS1115 module 0x48 (ph/ec + pump3 diff)ADS1115 module 0x49 (pump1/pump2 diff)ADS1115 module 0x4A (led diff)PCA9685 module (i2c)PCA9685 ch0 (pump1 pwm)PCA9685 ch1 (pump2 pwm)PCA9685 ch2 (pump3 pwm)PCA9685 ch3 (led pwm)PCA9685 ch4 (fan pwm)PCA9685 ch5 (rail status led)PCA9685 ch6 (pump status led)DS3231 RTC moduleCD401065V active

Hat bill of materials (BOM)

89 components, 57 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
INA226 module 0x40
U1
1
buck module 12V->5V
U2
1
AMS1117 3.3V module
U3
1
CD4538
U4
1
CD4081
U5
1
24LC32A/P
U6
1
ADS1115 module 0x48 (ph/ec + pump3 diff)
U7
1
ADS1115 module 0x49 (pump1/pump2 diff)
U8
1
ADS1115 module 0x4A (led diff)
U9
1
PCA9685 module (i2c)
U10
1
PCA9685 ch0 (pump1 pwm)
U11
1
PCA9685 ch1 (pump2 pwm)
U12
1
PCA9685 ch2 (pump3 pwm)
U13
1
PCA9685 ch3 (led pwm)
U14
1
PCA9685 ch4 (fan pwm)
U15
1
PCA9685 ch5 (rail status led)
U16
1
PCA9685 ch6 (pump status led)
U17
1
DS3231 RTC module
U18
1
CD40106
U19
1
5V active
U20
Show 37 more
QtyPartRefs
2
2N7000
Q1, Q10
1
IRF9540N
Q2
2
BS250
Q3, Q4
5
IRLZ44N
Q5, Q6, Q7, Q8, Q9
1
12V IN
J1
1
spare gpio
J2
1
sht31 module
J3
1
veml7700 module
J4
1
scd40 module
J5
1
oled ssd1306
J6
1
JSN-SR04T (uart mode)
J7
1
pH board
J8
1
EC board
J9
1
DS18B20
J10
1
pump 1
J11
1
pump 2
J12
1
pump 3
J13
1
led strip
J14
1
fan
J15
1
flow sensor
J16
1
10A
F1
1
1.5KE15A
D1
1
SB5H100
D2
4
1N5819
D3, D4, D5, D8
1
1N5822
D6
1
1N4148
D7
1
rail
D9
1
pump
D10
2
100n
C1, C3
1
10u 10V
C2
1
470k
R1
6
1k
R2, R6, R8, R27, R28, R29
12
10k
R3, R4, R5, R7, R9, R12, R15, R18 +4
1
4k7
R10
5
100R
R11, R14, R17, R20, R23
3
0.1
R13, R16, R19
1
0.01
R22

Hat design files

The KiCad project lives in the DagaVedant/Hydroponic-Garden repository on GitHub; these links point at the commit this page was built from.

Hat: common questions

How big is the Hat?

The Hat measures 216.8 × 226.3 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Hat?

89 components, from 57 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Hat design files?

From the DagaVedant/Hydroponic-Garden repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Hat design in my own project?

The repository has no license, so all rights stay with DagaVedant. Use it as a reference, and ask the author before reusing the design.

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