CircuitDigest
banner
circuitdigest.bsky.social
CircuitDigest
@circuitdigest.bsky.social
An online platform dedicated to electronics and technology, featuring #industry news, #DIYprojects, #circuit designs, and #tutorials on #Arduino, #esp32, #Raspberrypi, #embeddedsystems, #IoT, #robotics, and more.
www.circuitdigest.com
Create your own private off-grid communication network with an ESP32 and LoRa. This DIY Meshtastic guide walks you through the build, setup, and real-world testing.
circuitdigest.com/videos/diy-m...
DIY Meshtastic Using ESP32 : Build Your Own Private Off-Grid Network
Build a diy Meshtastic node using Meshtastic ESP32 and LoRa devices for secure, long-range, encrypted mesh messaging, perfect for off-grid communication.
circuitdigest.com
November 15, 2025 at 12:44 PM
Learn how to build your own WiFi-controlled drone using an ESP32 and MPU6050. This guide gives you complete info on components, wiring, firmware, and also teach you how to fly it from your phone.
circuitdigest.com/microcontrol...
Let's Build a Low Cost Drone using ESP32
Learn how to build a WiFi-controlled drone using ESP32 modules and MPU6050 IMU. This DIY project offers stability control, smartphone control, and easy upgradability. Get step-by-step instructions and...
circuitdigest.com
November 13, 2025 at 6:14 AM
Understand the working principle of a clocked JK flip flop and its applications in digital electronics.
circuitdigest.com/tutorial/clo...
Clocked JK Flip Flop: Complete Guide with Circuit, Truth Table, and Working
Learn how clocked JK flip flops work with truth tables, timing diagrams, and circuit designs. Understand toggle, set, reset operations for digital logic applications.
circuitdigest.com
October 23, 2025 at 8:44 AM
Build a high-accuracy indoor positioning system using the Qorvo DWM3000 UWB module and ESP32. This tutorial guides you through hardware setup, firmware flashing, and Python-based live visualisation.
circuitdigest.com/microcontrol...
How to Build an UWB Indoor Positioning System using ESP32 and Qorvo DWM3000
Build a DIY UWB indoor positioning system using ESP32 with the Qorvo DWM3000. This tutorial walks you through hardware, firmware, and Python visualization to create accurate tracking for robotics and ...
circuitdigest.com
October 23, 2025 at 5:04 AM
Learn to build a #smartwearablependant that tracks #airquality with #STM32 and #SGP40 sensors, alerting users through #LEDs and #buzzer notifications for real-time environmental awareness.
How to build a Wearable Air Quality Monitor Pendant using STM32 & SGP40 Sensor
Build a low-power wearable air quality pendant using STM32 and SGP40 sensor to monitor TVOC levels with RGB LEDs, buzzer alerts, and real-time feedback, ideal for homes, offices, or industrial safety.
circuitdigest.com
September 22, 2025 at 12:05 PM
Learn how to interface an #ESP32 with a #thermalprinter
circuitdigest.com/microcontrol...
using UART communication. This tutorial provides wiring diagrams and #Arduino-compatible code to print text, images, barcodes, and #QRcodes via the ESP32.
September 9, 2025 at 12:50 PM
How to boot Raspberry Pi from USB without SD card

Learn how to #bootraspberrypi from #USB, including Pi 3B, 3B+, Pi 4, and Pi 5.
This complete guide walks you through #EEPROM updates, configuration steps, and for improved speed and reliability.
circuitdigest.com/tutorial/ras...
How to Boot Raspberry Pi from USB without SD Card
Learn how to boot Raspberry Pi from USB without using SD card. This step-by-step guide covers Raspberry Pi 3, 4, and 5 models, helping you improve system reliability and performance.
circuitdigest.com
August 26, 2025 at 12:25 PM
Learn how to build a real-time #GPStracker using the #RaspberryPiPico, #Neo-6MGPSmodule, and #SIM800L GSM modem.
circuitdigest.com/microcontrol...
It’s ideal for #IoT projects requiring #vehicletracking, #asset monitoring, or pet location tracking with automatic offline data buffering.
Build a Real-Time GPS Tracker with Raspberry Pi Pico & SIM800L GSM Module
Learn how to build a cellular GPS tracker with Raspberry Pi Pico using the Neo 6M GPS module and SIM800L. This hands-on guide covers interfacing, real-time data logging, and API-based location updates
circuitdigest.com
August 25, 2025 at 12:52 PM
Explore SR latch in digital electronics
circuitdigest.com/electronic-c...
with its logic, truth table, circuit diagrams, and working explained using NOR and NAND gates for beginners.
#SRlatch #RSLatch #digitalelectronis #NOR #NANDgate
Understanding SR Latches: Complete Guide to Set-Reset Latch, Gated & Clocked Versions
Learn SR Latch basics with truth table, circuit diagrams & working principle. Covers basic, gated & clocked SR latch with NAND/NOR gates.
circuitdigest.com
August 20, 2025 at 9:09 AM
Explore step-by-step instructions to connect and decode GNSS data from the Goouuu Tech #GT-U16 #RTK L1/L5 module using #Arduino. circuitdigest.com/microcontrol...

Covering #UART interfacing, #NMEA sentence parsing, and extracting latitude/longitude for precision #GPSapplications.
Goouuu Tech GT-U16 RTK L1+L5 GPS Module with Arduino - Interfacing and Parsing GNSS Data
Learn how to interface the GT-U16 RTK L1+L5 GNSS module with Arduino, decode NMEA data, and analyze real-time satellite signals using iNavTool. Covers RTK concepts, RTCM corrections, and practical set...
circuitdigest.com
July 28, 2025 at 12:12 PM
Struggling with your #RaspberryPi ’s changing IP address?

Learn how to set a static IP using the latest method with #NetworkManager and #nmcli, especially for Raspberry Pi OS Bookworm.
How to Set a Static IP Address on Raspberry Pi?
Learn how to set a static IP on Raspberry Pi using NetworkManager (nmcli) and GUI methods. Complete step-by-step guide for Raspberry Pi OS Bookworm with screenshots and troubleshooting tips.
circuitdigest.com
July 26, 2025 at 12:58 PM
Face Recognition on ESP32-CAM? Yes!

This project uses Edge Impulse to train a lightweight face recognition model and runs it on ESP32-CAM, complete with live OLED output.

🛠️ Full guide 👉 circuitdigest.com/projects/esp...

#EdgeImpulse #ESP32 #FaceRecognition #AIProjects #EmbeddedML #DIYTech #AI
July 25, 2025 at 5:51 AM
🔧 𝐋𝐞𝐚𝐫𝐧 𝐑𝐨𝐛𝐨𝐭𝐢𝐜𝐬 𝐛𝐲 𝐁𝐮𝐢𝐥𝐝𝐢𝐧𝐠 𝐓𝐡𝐞𝐬𝐞 5 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬
circuitdigest.com/robotics-pro...
Getting into robotics doesn’t mean you need complex math or expensive hardware.

If you’re a student, hobbyist, or engineer looking to get hands-on, these are worth bookmarking 👇
75+ DIY Robotics Projects - Build Your Own Robots with Step-by-Step Tutorials!
Explore 75+ DIY robotics projects with step-by-step tutorials, circuit diagrams, and source code. Learn and build your own robots, from beginner to advanced, using Arduino, Raspberry Pi, and more.
circuitdigest.com
July 21, 2025 at 11:56 AM
Build your own #Arduino-based #GPSTracker using the #A7672S module with 4G LTE and GNSS support.

This guide walks you through setup, circuit, and real-time data tracking, perfect for #IoT projects on the move. circuitdigest.com/microcontrol...
July 15, 2025 at 10:32 AM
Interfacing TMC2209 Stepper Motor Driver with Arduino UNO – Basic Direction and Stepping Control

This tutorial explains pin mapping, basic stepping, and direction control using simple digital outputs. circuitdigest.com/microcontrol...
July 9, 2025 at 10:47 AM
Learn to create a #DIY #RFID attendance system with #Arduino that tracks check-ins, stores timestamps, and displays data on an LCD. A hands-on way to master SPI, I2C, and EEPROM usage.

Read more : circuitdigest.com/microcontrol...
June 28, 2025 at 7:40 AM
Learn how to build a simple #LPG gas leakage detector using #Arduino and the #MQ-5 gas sensor.
This #DIY project activates a #buzzer and #LED when gas is detected, offering an affordable safety solution for homes or kitchens.
circuitdigest.com/microcontrol...
Gas Leakage Detector Using Arduino: Complete DIY Guide
Build a simple LPG gas leakage detector using Arduino and MQ-5 sensor. This beginner-friendly project features buzzer and LED alerts, circuit diagram, and complete Arduino code for home safety.
circuitdigest.com
June 26, 2025 at 12:55 PM
#Arduino-based #RFID #attendancesystem helps record check-ins and check-outs automatically using RFID tags.
It includes #real-timeclock support for timestamps, stores data reliably, and shows updates on an #LCD.
circuitdigest.com/microcontrol...
RFID Based Attendance System Using Arduino - Complete Project Guide
Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with automa...
circuitdigest.com
June 20, 2025 at 4:45 AM
Explore the complete guide to #AmplitudeModulation ( #AM ), understand its working principle, formula, circuit diagram, and practical demonstration. Ideal for students and electronics enthusiasts.
circuitdigest.com/electronic-c...
What is Amplitude Modulation? Complete Guide with Formula, Circuit Diagram & Practical Demo
Learn amplitude modulation with step-by-step circuit diagram, AM formula derivation, practical demonstration using BC547 transistor, and real oscilloscope results. Complete AM guide for electronics en...
circuitdigest.com
June 9, 2025 at 5:57 AM