HardLabs

Climate control

oskarengdahl·climate_control·hardware/pcb/climate_control.kicad_pcb

Climate control PCB layout, top view — open source AVR/Arduino board by oskarengdahl

About the Climate control PCB

Climate control is an open source AVR/Arduino PCB design by oskarengdahl, published on GitHub under the MIT license. It is a 2-layer board measuring 18 × 55 mm, with 35 components from 24 distinct parts.

Its main chip is the ATmega328PB-AU, from the AVR/Arduino family. Other key parts include the TP4056, XB8089A and TPS61230DRC. By type, the board carries 13 resistors, 10 capacitors, 5 connectors, 4 ICs, 1 transistor and 1 diode.

From the project

Control the climate in your boot!

Main components on the Climate control

TP4056XB8089AATmega328PB-AUTPS61230DRC

Climate control bill of materials (BOM)

35 components, 24 distinct parts.

QtyPartRefs
1
TP4056
U1
1
XB8089A
U2
1
ATmega328PB-AU
U3
1
TPS61230DRC
U4
1
NTR3C21NZ
Q2
1
Switch
J1
1
BatteryIn
J2
1
USB_C
J3
1
HeatElement
J4
1
ICSP
J5
1
CHRG
D1
1
1uH
L1
5
10uF
C1, C4, C7, C8, C10
3
100nF
C3, C6, C11
1
1uF
C5
1
18nF
C9
2
x
R1, R4
2
10k
R2, R14
2
100k
R3, R15
1
30k
R5
Show 4 more
QtyPartRefs
2
5.1k
R9, R13
1
2.4k
R11
1
100R
R12
2
R_Small
R17, R18

Climate control design files

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

Climate control: common questions

What microcontroller does the Climate control use?

The Climate control is built around the ATmega328PB-AU, from the AVR/Arduino family.

How big is the Climate control PCB?

The Climate control measures 18 × 55 mm, has 2 copper layers and is 1 mm thick.

How many components are on the Climate control?

35 components, from 24 distinct parts. The full bill of materials is listed on this page.

Where can I download the Climate control design files?

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

Can I use the Climate control design in my own project?

Yes, under the terms of its MIT license, which oskarengdahl chose for the repository.

Can I test firmware for the Climate control 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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