HardLabs

Control Box

pauladam316·observatory_pcbs·Control Box/Control Box.kicad_pcb

Control Box PCB layout, top view — open source AVR/Arduino board by pauladam316

About the Control Box PCB

Control Box is an open source AVR/Arduino PCB design by pauladam316, published on GitHub. It is a 2-layer board measuring 123 × 116.3 mm, with 154 components from 29 distinct parts.

Its main chip is the Arduino_UNO_R3, from the AVR/Arduino family. Other key parts include the SN74LVC1G32DCKR, 4527 and INA181A1IDBVR. By type, the board carries 47 resistors, 32 diodes, 20 jumpers, 20 test points, 14 transistors and 8 relays.

Main components on the Control Box

SN74LVC1G32DCKR4527INA181A1IDBVRArduino_UNO_R3

Control Box bill of materials (BOM)

154 components, 29 distinct parts.

QtyPartRefs
2
SN74LVC1G32DCKR
IC1, IC2
1
4527
U1
1
INA181A1IDBVR
U3
1
Arduino_UNO_R3
A1
10
MMBT3904
Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 +2
2
DMN2056U-7
Q10, Q17
2
SI3443CDV-T1-GE3
Q11, Q12
2
Screw_Terminal_01x02
J1, J7
2
Screw_Terminal_01x08
J2, J3
2
Screw_Terminal_01x04
J4, J6
1
3568
F1
20
Jumper
JP1, JP2, JP3, JP4, JP5, JP6, JP7, JP8 +12
8
AHQSH105LM100G
K1, K2, K3, K4, K5, K6, K7, K8
20
TestPoint
TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 +12
12
LG R971-KN-1
D1, D2, D11, D12, D15, D16, D19, D20 +4
8
1N4148W-TP
D3, D4, D13, D14, D17, D18, D21, D22
8
SMP3V3-M3/84A
SMP5.0A-M3/84A
D5, D6, D7, D8, D9, D10, D41, D42
4
DMG2305UX-13
D23, D24, D25, D26
1
0.1uF
C2
11
140R
R1, R3, R11, R13, R15, R17, R19, R21 +3
Show 9 more
QtyPartRefs
8
500R
R2, R4, R12, R14, R16, R18, R20, R22
8
125R
R5, R6, R7, R8, R9, R10, R41, R42
5
10k
R23, R24, R25, R47, R48
8
1k
R26, R28, R43, R44, R45, R46, R50, R51
2
2.2k
R27, R30
2
4.7k
R29, R52
1
3k
R31
1
490R
R39
1
42m
R49

Control Box design files

The KiCad project lives in the pauladam316/observatory_pcbs repository on GitHub; these links point at the commit this page was built from.

Control Box: common questions

What microcontroller does the Control Box use?

The Control Box is built around the Arduino_UNO_R3, from the AVR/Arduino family.

How big is the Control Box PCB?

The Control Box measures 123 × 116.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Control Box?

154 components, from 29 distinct parts. The full bill of materials is listed on this page.

Where can I download the Control Box design files?

From the pauladam316/observatory_pcbs repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Control Box design in my own project?

The repository has no license, so all rights stay with pauladam316. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Control Box without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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