Circuit Digest

Latest tech news, DIY projects, and tutorials

DIY ESP32 AI Voice Assistant with MCP Integration
DIY ESP32 AI Voice Assistant with MCP Integration
All Electronic Projects
All Electronic Projects

LiteWing

LiteWing - ESP32 Based Programmable Drone for Engineers, Hobbyists and Students
LiteWing - ESP32 Based Programmable Drone for Engineers, Hobbyists and Students
LiteWing-ESP32 Drone gets New Mobile App
LiteWing-ESP32 Drone gets New Mobile App
‎LiteWing on the App Store
‎LiteWing on the App Store
LiteWing - Apps on Google Play
LiteWing - Apps on Google Play
DIY Drone Test Rig: Build a 3D Printed Mini Drone Testing Stand
DIY Drone Test Rig: Build a 3D Printed Mini Drone Testing Stand

Latest Contents

How to send whatsapp message from ESP32? Quick, Easy and Free API for WhatsApp
How to send whatsapp message from ESP32? Quick, Easy and Free API for WhatsApp
Raspberry Pi Pico Text to Speech Using AI- WitAITTS Library Guide
Raspberry Pi Pico Text to Speech Using AI- WitAITTS Library Guide
ESP32-C3 Text to Speech Online Using AI: Wit.ai API Full Guide
ESP32-C3 Text to Speech Online Using AI: Wit.ai API Full Guide
Arduino Game Controller: Complete DIY Build Guide & Code
Arduino Game Controller: Complete DIY Build Guide & Code
ESP32 CAM Currency Recognition: Complete Edge AI Arduino Tutorial
ESP32 CAM Currency Recognition: Complete Edge AI Arduino Tutorial
ESP32 Text to Speech Using AI: Wit.ai TTS Library Guide
ESP32 Text to Speech Using AI: Wit.ai TTS Library Guide
DIY Arduino Robotic Arm: 6 DOF Build Guide with Code
DIY Arduino Robotic Arm: 6 DOF Build Guide with Code
Interfacing GP2Y0D80Z0F Distance Sensor with Arduino Uno
Interfacing GP2Y0D80Z0F Distance Sensor with Arduino Uno
Sahara Group Claims First-of-Its-Kind TFT Display Integration in India
Sahara Group Claims First-of-Its-Kind TFT Display Integration in India
DTDS Shows 25% Cost Savings on Automotive Lighting at electronica India 2025
DTDS Shows 25% Cost Savings on Automotive Lighting at electronica India 2025
Engineer's Personal Project Turned FPGA-Based Company | tinyVision
Engineer's Personal Project Turned FPGA-Based Company | tinyVision
Thorlabs Highlights C-Band Lasers and Raman Spectrometry at Laser World of Photonics India 2025
Thorlabs Highlights C-Band Lasers and Raman Spectrometry at Laser World of Photonics India 2025
PCA9306 Module with Arduino Uno: Wiring Guide & Code | Level Shifter
PCA9306 Module with Arduino Uno: Wiring Guide & Code | Level Shifter
ESP32 CAM Currency Recognition: Edge AI Arduino Tutorial 2026
LiteWing ESP32 Drone Betaflight: Setup & Configuration Tutorial
LiteWing ESP32 Drone Betaflight: Setup & Configuration Tutorial
Murata’s Type 1VM Radar Adds Child Presence Detection to Vehicles | electronica India 2025
Murata’s Type 1VM Radar Adds Child Presence Detection to Vehicles | electronica India 2025
Interfacing Raspberry Pi Pico RTC DS3231 : Easy Setup Guide & Code
Interfacing Raspberry Pi Pico RTC DS3231 : Easy Setup Guide & Code
SMS Alert System with Seeed Studio XIAO ESP32 & HC-SR04 Sensor
SMS Alert System with Seeed Studio XIAO ESP32 & HC-SR04 Sensor
Joule Thief Circuit: A Low-Power Voltage Booster Circuit
Joule Thief Circuit: A Low-Power Voltage Booster Circuit
Vicharak’s FPGA Boards Start at 349 Rupees and Scale as You Skill Up
Vicharak’s FPGA Boards Start at 349 Rupees and Scale as You Skill Up

Interviews & India Tech Tour

Engineer's Personal Project Turned FPGA-Based Company | tinyVision
Engineer's Personal Project Turned FPGA-Based Company | tinyVision
What It Takes to Make a Chip: India's Semiconductor Scene through InCore's Lens
What It Takes to Make a Chip: India's Semiconductor Scene through InCore's Lens
Vector Technics | The Whole Drone Propulsion Stack, Made in Hyderabad
Vector Technics | The Whole Drone Propulsion Stack, Made in Hyderabad
Airbound: An Indian Drone Company on Course for 1 Rupee Deliveries
Airbound: An Indian Drone Company on Course for 1 Rupee Deliveries
DigiKey Goes All In on India After Nearly Three Years Testing Waters
DigiKey Goes All In on India After Nearly Three Years Testing Waters
STMicroelectronics Shows Off Local AI Processing with Interactive Robot Demo - electronica India 2025
STMicroelectronics Shows Off Local AI Processing with Interactive Robot Demo - electronica India 2025
Custom Silicon at 7 Dollars | wafer.space Makes Low-Volume Chip Fabrication Viable
Custom Silicon at 7 Dollars | wafer.space Makes Low-Volume Chip Fabrication Viable
ROHM’s SiC Devices Reflected 20 Years of R&D at electronica India 2025
ROHM’s SiC Devices Reflected 20 Years of R&D at electronica India 2025
From Catalogs to Clicks | How Mouser Adapted to the Digital Age
From Catalogs to Clicks | How Mouser Adapted to the Digital Age
Versa Drives: Advancing Energy-Efficient Motor Control Solutions
Versa Drives: Advancing Energy-Efficient Motor Control Solutions

Home Automation

IOT based Voice Controlled Home Automation using ESP8266 and Android App
IOT based Voice Controlled Home Automation using ESP8266 and Android App
Arduino Home Automation using Acoustic Connectivity powered by Chirp
Arduino Home Automation using Acoustic Connectivity powered by Chirp
Build your own PIR Motion Sensor Light
Build your own PIR Motion Sensor Light

All Projects Collections

500+ Arduino Projects
500+ Arduino Projects
90+ ESP32 Projects
90+ ESP32 Projects
180+ DIY Raspberry Pi Projects
180+ DIY Raspberry Pi Projects
75+ DIY Robotics Projects
75+ DIY Robotics Projects
60+ Home Automation Projects
60+ Home Automation Projects
100+ DIY IoT Projects
100+ DIY IoT Projects
90+ PCB Projects
90+ PCB Projects
22 Power Electronic Projects
22 Power Electronic Projects

Arduino Projects

Build a Automated Toll Gate System Project Using Arduino
Build a Automated Toll Gate System Project Using Arduino
Build a Smart Helmet using Arduino
Build a Smart Helmet using Arduino
RFID Based Attendance System Using Arduino
RFID Based Attendance System Using Arduino
Smoke and Fire Alarm System using Arduino with SMS Notification
Smoke and Fire Alarm System using Arduino with SMS Notification
Gas Leakage Detector Using Arduino: Complete DIY Guide
Gas Leakage Detector Using Arduino: Complete DIY Guide
Arduino Location Tracker using SIM800L GSM Module and NEO-6M GPS Module
Arduino Location Tracker using SIM800L GSM Module and NEO-6M GPS Module
Sun Tracking Solar Panel using an Arduino
Sun Tracking Solar Panel using an Arduino
Automatic Irrigation System using an Arduino Uno
Automatic Irrigation System using an Arduino Uno
Smart Dustbin using Arduino
Smart Dustbin using Arduino
DIY Arduino Based Color Sorter Machine using TCS3200 Color Sensor
DIY Arduino Based Color Sorter Machine using TCS3200 Color Sensor
Build a 3D Printed Animatronic Eye with Arduino
Build a 3D Printed Animatronic Eye with Arduino
DIY Motorized Camera Slider using Arduino and Stepper Motors for Video Shooting
DIY Motorized Camera Slider using Arduino and Stepper Motors for Video Shooting

Raspberry Pi Projects

Build a Raspberry Pi-Based SMS Alert System Using Cloud API
Build a Raspberry Pi-Based SMS Alert System Using Cloud API
How to Build a Raspberry Pi Pico GPS Tracker
How to Build a Raspberry Pi Pico GPS Tracker
Raspberry Pi Internet Radio and Streaming Station
Raspberry Pi Internet Radio and Streaming Station
Raspberry Pi Based Jarvis themed Speaking Alarm Clock
Raspberry Pi Based Jarvis themed Speaking Alarm Clock
Gesture Controlled Video Player using Raspberry Pi
Gesture Controlled Video Player using Raspberry Pi
Push-Up Counter using Raspberry Pi and MediaPipe
Push-Up Counter using Raspberry Pi and MediaPipe
Low-Cost Interactive Voice Response (IVR) Device
Low-Cost Interactive Voice Response (IVR) Device

ESP32 Projects

Build GPS Tracker with XIAO ESP32-S3: Geofence & SMS Alerts
Build GPS Tracker with XIAO ESP32-S3: Geofence & SMS Alerts
DIY UWB Indoor Positioning System using ESP32 and Qorvo DWM3000
DIY UWB Indoor Positioning System using ESP32 and Qorvo DWM3000
ESP32 GPS Tracker with SIM800L & NEO 6M for Real-Time Location Tracking
ESP32 GPS Tracker with SIM800L & NEO 6M for Real-Time Location Tracking
ESP32 Text to Speech Offline: TTS with PAM8403 & Arduino
ESP32 Text to Speech Offline: TTS with PAM8403 & Arduino
Build an Esp32 Cam Telegram Bot for Wireless Image Capture and Remote Monitoring
Build an Esp32 Cam Telegram Bot for Wireless Image Capture and Remote Monitoring
Programming ESP32-S3 Box-3 with Arduino IDE: RGB LED Control Interface
Programming ESP32-S3 Box-3 with Arduino IDE: RGB LED Control Interface
Building a High-Resolution POV Display using ESP32
Building a High-Resolution POV Display using ESP32
Understanding Thermal Printers and How to Use it with ESP32
Understanding Thermal Printers and How to Use it with ESP32
DIY Smartwatch with multiple Watch Faces, Heart Rate Sensor, Compass and Games
DIY Smartwatch with multiple Watch Faces, Heart Rate Sensor, Compass and Games
DIY Thermal Camera: Build your Own Infrared Imaging Device with ESP32 and MLX90640 Sensor
DIY Thermal Camera: Build your Own Infrared Imaging Device with ESP32 and MLX90640 Sensor
ESP32 Smart Home Automation using Alexa and Google Assistant
ESP32 Smart Home Automation using Alexa and Google Assistant
Let's Build a Low Cost Drone using ESP32
Let's Build a Low Cost Drone using ESP32

Robotic Projects

Line Follower Robot using Arduino
Line Follower Robot using Arduino
Obstacle Avoiding Car Using Arduino
Obstacle Avoiding Car Using Arduino
Human Following Robot Using Arduino and Ultrasonic Sensor
Human Following Robot Using Arduino and Ultrasonic Sensor
DIY Self Balancing Robot using Arduino
DIY Self Balancing Robot using Arduino
Maze Solving Robot Using Arduino
Maze Solving Robot Using Arduino
Mars Rover Robot using Arduino
Mars Rover Robot using Arduino

EE Calculators

4-Band Resistor Color Code Calculator
4-Band Resistor Color Code Calculator
Voltage Divider Calculator
Voltage Divider Calculator
Capacitor Value Calculator
Capacitor Value Calculator
Battery Life Calculator
Battery Life Calculator
Resistors in Parallel Calculator
Resistors in Parallel Calculator
LED Resistor Calculator
LED Resistor Calculator
PCB Trace Width Calculator
PCB Trace Width Calculator
LC Tank Circuit Resonance Calculator
LC Tank Circuit Resonance Calculator

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