2 layers83 × 48 mm Temp Sensor Interface, the printed circuit board in 3D

Temp Sensor Interface

I designed a Temperature Interface PCB using Atmega328p, LM35, 5V Regulator, 3.3 V Regulator, Op-Amp in Non Inverting State and OLED Display to display the reading on the screen.

Open in PCBKit

Size: 83 × 48 mm
Copper layers: 2
Thickness: 1.6 mm
Parts: 19
Nets: 38
Pads: 84
Tracks, vias: 177, 0
Routed: Yes
KiCad: KiCad 9.0 (file 20241229)
Created: 6 Nov 2025
Updated: 14 Nov 2025

Overview

Temp Sensor Interface is an open-source printed circuit board by pjsheth354, from the pjsheth354/Temperature-Interface-PCB repository on GitHub. It is a 2-layer board of 83 × 48 mm with 19 parts on 38 nets, routed with 177 tracks and 0 vias.

It is built around the ATMEGA328P-PU and LM358P. Its parts include 6 capacitors, 6 ICs, 4 resistors, 1 connector and 1 crystal. It belongs with the interfaces and adapters and lEDs and displays boards and the AVR (ATmega, ATtiny) boards of this library.

Main components

README

README.md

Temperature-Interface-PCB

I designed a Temperature Interface PCB using Atmega328p, LM35, 5V Regulator, 3.3 V Regulator, Op-Amp in Non Inverting State and OLED Display to display the reading on the screen.

Parts

Qty	Value	Footprint	References
4	100uF	Capacitor_THT:C_Radial_D4.0mm_H5.0mm_P1.50mm	C3, C4, C5, C6
2	10k	Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal	R1, R2
2	22pF	Capacitor_THT:C_Radial_D4.0mm_H5.0mm_P1.50mm	C1, C2
2	4.7k	Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal	R3, R4
1	3.3 V Regulator	Package_TO_SOT_SMD:TO-252-3_TabPin2	U6
1	5V Regulator	Package_TO_SOT_THT:TO-220-3_Vertical	U3
1	9V IN	Connector_JST:JST_EH_B2B-EH-A_1x02_P2.50mm_Vertical	J1
1	ATmega328P-P	Package_DIP:DIP-28_W7.62mm	U4
1	Buzzer	Buzzer_Beeper:Indicator_PUI_AI-1440-TWT-24V-2-R	BZ1
1	Crystal	Crystal:Crystal_C26-LF_D2.1mm_L6.5mm_Vertical	Y1
1	DM-OLED096-636	OLED Display:MODULE_DM-OLED096-636	U5
1	LM35-LP	Package_TO_SOT_THT:TO-92_Inline	U1
1	LM358P	LM358_THT DIP:DIP794W45P254L959H508Q8	U2

Questions

How big is the Temp Sensor Interface PCB?

It measures 83 × 48 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Temp Sensor Interface use?

19 parts, built around the ATMEGA328P-PU and LM358P. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Temp Sensor Interface KiCad files?

From the pjsheth354/Temperature-Interface-PCB repository on GitHub, at the commit this page was made from: the board is Temperature Sensor Interface PCB/Temp Sensor Interface.kicad_pcb and its schematic Temperature Sensor Interface PCB/Temp Sensor Interface.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Temp Sensor Interface design in my own project?

Its repository states no licence, so its author keeps all rights: ask pjsheth354 before reusing the design.

Category and platform

Interfaces and adapters LEDs and displays AVR (ATmega, ATtiny)

Project files

Show this board on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/boards/pjsheth354-temperature-interface-pcb" title="Temp Sensor Interface in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>

A picture

<img src="https://pcbkit.io/embed/boards/pjsheth354-temperature-interface-pcb.jpg" alt="Temp Sensor Interface" width="1200" height="900">

A picture that opens the board, for a README

[![Temp Sensor Interface](https://pcbkit.io/embed/boards/pjsheth354-temperature-interface-pcb.jpg?size=s)](https://pcbkit.io/boards/pjsheth354-temperature-interface-pcb)

Source

Repository: pjsheth354/Temperature-Interface-PCB
Board file: Temperature Sensor Interface PCB/Temp Sensor Interface.kicad_pcb
Commit: 42296bb
Licence: Not stated

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