Boards by Saroja-J

10 boards

Open-source boards designed in KiCad by Saroja-J on GitHub, from 9 repositories. A board’s address here is its repository’s there.

2 layers109 × 78.5 mm
ESP32 Interface
Saroja-J/ESP32-Board-
Custom ESP32-WROOM-32D PCB designed in KiCad with USB-UART,I2C,VSPI, and Sensor Interfaces.
62 parts1
2 layers48.7 × 18.5 mm
12V to 5V power supply
Saroja-J/12-to-5V-DC-PS

8 parts
2 layers41.7 × 32.9 mm
AC to DC
Saroja-J/AC2DC
A simple AC to DC Converter designed in KiCad using a bridge rectifier, filter capacitor, and LED indicator. The circuit converts AC voltage from a transformer secondary into a smooth DC output suitable for low-power…
12 parts
4 layers80.7 × 57.2 mm
ESP32-IoT Board
Saroja-J/ESP32-IoT-Board
A custom IoT sensor board based on the ESP32-S3-WROOM-1-N4, designed in KiCad with environmental, air-quality, light, audio, and local data-storage capabilities.
88 parts
2 layers21.7 × 15.2 mm
New2
Saroja-J/IR-Sensor
A simple Infrared (IR) Sensor designed in KiCad using the LM358 operational amplifier as a comparator. The circuit detects nearby objects by transmitting infrared light and sensing its reflection.
11 parts
2 layers39.9 × 24.7 mm
RTC Design
Saroja-J/RTC-module
The Real-Time Clock (RTC) Module is designed around the DS1307 RTC IC to provide accurate timekeeping for embedded systems.
10 parts
2 layers32.9 × 29.1 mm
Servo Tester
Saroja-J/Servo-Tester
The NE555 Timer IC is one of the most popular integrated circuits used for timing, pulse generation, and oscillation. In this project, it is configured in astable mode to generate a continuous PWM signal.
11 parts
2 layers43.3 × 33.8 mm
SMT32 based hardware design
Saroja-J/STM32-BOARD
This project helped me gain practical experience in:
33 parts
2 layers57.2 × 40.7 mm
Transfarmerless AC to DC
Saroja-J/Transformer-less-AC2DC
This project demonstrates the design and simulation of a Transformerless Power Supply using KiCad. Instead of a conventional transformer, it uses a capacitive dropper to reduce the AC voltage, making the circuit…
19 parts
4 layers103.6 × 75.6 mm
ESP32 Interface1
Saroja-J/ESP32-Board-
Custom ESP32-WROOM-32D PCB designed in KiCad with USB-UART,I2C,VSPI, and Sensor Interfaces.
60 parts1