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2 layers48 × 60 mmSmartTempSensor, the printed circuit board in 3D

DHT22 sensor using Arduino commands to send data towards a python script that utilizes a anthropic agent to run basic commands such as monitoring the temperature, and turning on a mini fan blade hooked up to a 130 DC motor.

Size
48 × 60 mm
Copper layers
2
Thickness
1.6 mm
Parts
6
Nets
39
Pads
52
Tracks, vias
20, 0
Pours
2
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
28 Jul 2026
Updated
14 Sep 2026

Overview

SmartTempSensor is an open-source printed circuit board by ishankaneria99, from the ishankaneria99/SmartTemperatureSensor repository on GitHub. It is a 2-layer board of 48 × 60 mm with 6 parts on 39 nets, routed with 20 tracks and 0 vias.

It is built around the DHT11. Its parts include 3 resistors, 2 ICs and 1 diode. It belongs with the ESP32 boards of this library.

Main components

1

README

README.md

SmartTemperatureSensor

DHT22 sensor using an ESP32 microcontroller to send data towards a python script that utilizes a anthropic agent to run basic commands such as monitoring the temperature, and turning on a mini fan blade hooked up to a 130 DC motor.

Referring to "image.jpeg" the wiring while "rudimentary" shows 2 LEDs that light based on a set temperature threshold. When the user prompts the agent to check the temperature, based on the temperature a fan is turned on automatically (RED led is turned on). There are also commands the user can give to enable or disable the fan regardless of temperature.

7/27/26 -> Created physical layout and original code where agent talks through a python shell

7/28/26 -> Utilized streamlit to create a cleaner layout to send commands to the agent

7/30/26 -> Improved layout of streamlit app

8/2/26 -> Replaced Arduino with ESP32 and included KiCad Gerber file of the circuit on a PCB (did not include fan).

Parts

6
QtyValueFootprintReferences
30.330KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR1, R2, R3
1DHT11Sensor:Aosong_DHT11_5.5x12.0_P2.54mmU2
1ESP32 CP2102esp32:ESP32_38Pin (1)U1
1LED_RKGBLED_THT:LED_D5.0mm-4_RGBD1

Questions

How big is the SmartTempSensor PCB?

It measures 48 × 60 mm and has 2 copper layers, 1.6 mm thick.

What parts does the SmartTempSensor use?

6 parts, built around the DHT11. 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 SmartTempSensor KiCad files?

From the ishankaneria99/SmartTemperatureSensor repository on GitHub, at the commit this page was made from: the board is SmartTempSensor.kicad_pcb and its schematic SmartTempSensor.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the SmartTempSensor design in my own project?

Its repository states no licence, so its author keeps all rights: ask ishankaneria99 before reusing the design.

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