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Combined display of all available logs of cognifront. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

11:57, 25 September 2026 CogWikiEditor talk contribs uploaded File:Ipdl-12-tcp-receiver.mp4
11:34, 25 September 2026 CogWikiEditor talk contribs created page IPDL - 12: TCP/UDP Server for Sensor Data (Created page with "= ESP32 TCP Sensor Data Acquisition Using DHT11 and LDR = == Project Overview == This project demonstrates how an ESP32 can acquire sensor data and make that data available to a computer over a TCP connection. The ESP32 connects to an existing Wi-Fi router and operates as a TCP server. A laptop connected to the same Wi-Fi network runs a Python TCP client. The user can select which sensor data is required from the laptop terminal. The project uses two sensors:...")
10:21, 8 September 2026 User account Amruta talk contribs was created
04:44, 6 September 2026 CogWikiEditor talk contribs created page ESP32 Cognifront IoT Cloud (Created page with "== Cognifront IoT Cloud – Instruction Manual == <div style="border:1px solid #a2a9b1; border-radius:8px; padding:20px; margin:15px 0; background:#f8f9fa;"> '''Cognifront IoT Cloud Instruction Manual''' This manual provides an introduction to the Cognifront IoT Cloud platform, including cloud setup, device control, sending sensor data, and ESP8266-based examples. :contentReference[oaicite:0]{index=0} <div style="margin-top:15px;"> Media:Cognifront-iot-cloud-guide....")
04:44, 6 September 2026 CogWikiEditor talk contribs created page File:Cognifront-iot-cloud-guide.pdf
04:44, 6 September 2026 CogWikiEditor talk contribs uploaded File:Cognifront-iot-cloud-guide.pdf
10:45, 4 September 2026 User account TiffanyChavarria talk contribs was created
05:16, 4 September 2026 CogWikiEditor talk contribs created page File:Cognifront-bt-app.zip
05:16, 4 September 2026 CogWikiEditor talk contribs uploaded File:Cognifront-bt-app.zip
04:45, 4 September 2026 CogWikiEditor talk contribs created page ESP32 Bluetooth (Created page with "===Interfacing LDR with ESP32 and Transmitting Sensor Data using Bluetooth=== '''Interfacing LDR with ESP32 and Transmitting Sensor Data using Bluetooth''' demonstrates how an LDR sensor can be interfaced with an ESP32 board to measure light intensity and transmit the sensor value wirelessly using Bluetooth. The ESP32 reads the analog value from the LDR and sends the value through Bluetooth to a paired device. <center> '''LDR → ESP32 → Bluetooth → Paired Device'...")
04:42, 4 September 2026 CogWikiEditor talk contribs created page File:Libraries-gec-goa-kits-2026.zip
04:42, 4 September 2026 CogWikiEditor talk contribs uploaded File:Libraries-gec-goa-kits-2026.zip
04:37, 4 September 2026 CogWikiEditor talk contribs created page File:Rtc-esp32.jpg
04:37, 4 September 2026 CogWikiEditor talk contribs uploaded File:Rtc-esp32.jpg
04:36, 4 September 2026 CogWikiEditor talk contribs created page RTC Module DS3231 (Created page with "===Interfacing DS3231 RTC Module with ESP32=== '''Interfacing DS3231 RTC Module with ESP32''' demonstrates how a DS3231 Real-Time Clock (RTC) module can be interfaced with an ESP32 board using the I²C communication protocol to read and display the current date and time. The DS3231 is a highly accurate real-time clock module that keeps track of date and time information. <center> '''DS3231 RTC → I²C → ESP32 → Serial Monitor''' </center> == Objectives == * To...")
04:26, 4 September 2026 CogWikiEditor talk contribs created page File:Tcs34725-color-sensor-esp32.jpg
04:26, 4 September 2026 CogWikiEditor talk contribs uploaded File:Tcs34725-color-sensor-esp32.jpg
04:26, 4 September 2026 CogWikiEditor talk contribs created page Color Sensor TCS (Created page with "===Interfacing TCS34725 Color Sensor with ESP32=== '''Interfacing TCS34725 Color Sensor with ESP32''' demonstrates how the TCS34725 color sensor can be interfaced with an ESP32 board to detect and identify different colors using RGB and clear-channel data. The TCS34725 is an RGB color sensor that detects the intensity of red, green, blue, and clear light components. <center> '''TCS34725 Color Sensor → I²C → ESP32 → Serial Monitor''' </center> == Objectives ==...")
04:20, 4 September 2026 CogWikiEditor talk contribs created page File:Rfid-esp32.jpg
04:20, 4 September 2026 CogWikiEditor talk contribs uploaded File:Rfid-esp32.jpg
04:05, 4 September 2026 CogWikiEditor talk contribs created page RFID Module (Created page with "===Interfacing RFID Reader with ESP32 using MFRC522=== '''Interfacing RFID Reader with ESP32 using MFRC522''' demonstrates how an MFRC522 RFID reader can be interfaced with an ESP32 board using the SPI communication interface to read the unique identification number (UID) of an RFID card or tag. The ESP32 communicates with the MFRC522 RFID reader through the '''SPI''' interface. When an RFID card is placed near the reader, the card UID is read and displayed on the Seri...")
03:58, 4 September 2026 CogWikiEditor talk contribs created page File:Ir-receiver-esp32.jpg
03:58, 4 September 2026 CogWikiEditor talk contribs uploaded File:Ir-receiver-esp32.jpg
03:56, 4 September 2026 CogWikiEditor talk contribs created page IR Receiver (Created page with "===Interfacing IR Receiver with ESP32=== '''Interfacing IR Receiver with ESP32''' demonstrates how an infrared (IR) receiver can be connected to an ESP32 board to receive and decode signals transmitted by an IR remote control. The ESP32 receives the infrared signal through a digital GPIO pin. The received IR data is decoded using the '''IRremote''' library and the decoded information is displayed on the Serial Monitor. <center> '''IR Remote → IR Receiver → ESP32...")
03:51, 4 September 2026 CogWikiEditor talk contribs created page File:Accelerometer-esp32.jpg
03:51, 4 September 2026 CogWikiEditor talk contribs uploaded File:Accelerometer-esp32.jpg
03:39, 4 September 2026 CogWikiEditor talk contribs created page Accelerometer (Created page with "===Interfacing MPU-6500 Accelerometer and Gyroscope with ESP32=== '''Interfacing MPU-6500 Accelerometer and Gyroscope with ESP32''' demonstrates how an MPU-6500 motion sensor can be interfaced with an ESP32 board using the '''I²C communication protocol'''. The MPU-6500 contains a '''3-axis accelerometer''' and a '''3-axis gyroscope'''. It can be used to measure acceleration, angular velocity and sensor temperature. The ESP32 communicates with the MPU-6500 through the...")
03:15, 4 September 2026 CogWikiEditor talk contribs created page File:Pull-up-pull-down-resistor.jpg
03:15, 4 September 2026 CogWikiEditor talk contribs uploaded File:Pull-up-pull-down-resistor.jpg
17:31, 3 September 2026 CogWikiEditor talk contribs created page Push Button (Created page with "===Interfacing Push Buttons with Arduino UNO=== '''Interfacing Push Buttons with Arduino UNO''' demonstrates how push buttons can be interfaced with an Arduino UNO board to control an LED and a buzzer. The practical also demonstrates the concept of '''pull-up''' and '''pull-down''' resistor configurations used while interfacing push buttons with a microcontroller. == Objectives == * To study the concept of push buttons. * To study the pull-up resistor and pull-down r...")
17:23, 3 September 2026 CogWikiEditor talk contribs created page Light Dependent Resistor (LDR) (Created page with "===Interfacing Light Sensor (LDR) with Arduino UNO=== '''Interfacing Light Sensor (LDR) with Arduino UNO''' demonstrates how an LDR sensor can be interfaced with an Arduino UNO to measure light intensity and control an LED according to the sensor value. == Objectives == * To study the working of the LDR sensor. * To interface the LDR sensor with the Arduino UNO board. * To write a program to control the LED using the LDR sensor. == Software == * Arduino IDE 1.6.9 or...")
17:08, 3 September 2026 CogWikiEditor talk contribs created page File:Buzzer-tone-melody-playing.zip
17:08, 3 September 2026 CogWikiEditor talk contribs uploaded File:Buzzer-tone-melody-playing.zip
17:01, 3 September 2026 CogWikiEditor talk contribs created page Buzzer (Created page with "===Interfacing Piezo Buzzer with ESP32 for Generating Sound and Music=== {| class="wikitable" style="float:right; margin-left:20px; width:300px;" ! colspan="2" style="font-size:120%;" | Piezo Buzzer Interface |- ! Controller | ESP32 |- ! Component | Piezoelectric Buzzer |- ! Number of Pins | 2 |- ! Data Pin | + Pin |- ! Ground Pin | − Pin |- ! Control | Digital Output |- ! Function | Sound and Music Generation |} '''Interfacing Piezo Buzzer with ESP32 for Generating...")
16:53, 3 September 2026 CogWikiEditor talk contribs created page LED Blinking (Created page with "===Interfacing LED Bar with ESP32=== {| class="wikitable" style="float:right; margin-left:20px; width:300px;" ! colspan="2" style="font-size:120%;" | LED Bar Interface |- ! Controller | ESP32 |- ! Component | LED Bar |- ! Number of LEDs | 8 |- ! Data Pins | 4 |- ! LED Configuration | Common Anode / Common Cathode |- ! LED Voltage | Approximately 1.7 V |- ! LED Current | 5–20 mA |- ! Output | LED ON/OFF |} '''Interfacing LED Bar with ESP32''' demonstrates how an LED b...")
16:21, 3 September 2026 CogWikiEditor talk contribs created page File:Rotory-encoder-module-arduino.jpg
16:21, 3 September 2026 CogWikiEditor talk contribs uploaded File:Rotory-encoder-module-arduino.jpg
16:17, 3 September 2026 CogWikiEditor talk contribs created page Rotary Encoder Module (Created page with "===Arduino Rotary Encoder Position and Angle Measurement Using M274 / KY-040=== {| class="wikitable" style="float:right; margin-left:20px; width:300px;" ! colspan="2" style="font-size:120%;" | Rotary Encoder Measurement |- ! Controller | Arduino UNO |- ! Encoder | M274 / KY-040 |- ! Encoder Pins | CLK, DT, SW |- ! CLK Pin | D2 |- ! DT Pin | D3 |- ! SW Pin | D4 |- ! Resolution | 20 pulses/revolution |- ! Output | Position, Angle, Direction |} '''Arduino Rotary Encoder P...")
15:59, 3 September 2026 CogWikiEditor talk contribs created page File:Dc-motor-pot-arduino.jpg
15:59, 3 September 2026 CogWikiEditor talk contribs uploaded File:Dc-motor-pot-arduino.jpg
15:53, 3 September 2026 CogWikiEditor talk contribs created page Potentiometer for DC Motor Speed Control (Created page with "===Arduino DC Motor Speed Control Using Potentiometer=== {| class="wikitable" style="float:right; margin-left:20px; width:300px;" ! colspan="2" style="font-size:120%;" | DC Motor Speed Control |- ! Controller | Arduino | | ------------------- | | ! Motor Driver | | Motor Driver | | - | | ! Input | | Potentiometer | | - | | ! Potentiometer Pin | | A0 | | - |...")
12:40, 3 September 2026 CogWikiEditor talk contribs created page File:Encoder-dc-motor-arduino.jpg
12:40, 3 September 2026 CogWikiEditor talk contribs uploaded File:Encoder-dc-motor-arduino.jpg
12:33, 3 September 2026 CogWikiEditor talk contribs created page File:Dc-motor-encoder-arduino-uno.jpeg
12:33, 3 September 2026 CogWikiEditor talk contribs uploaded File:Dc-motor-encoder-arduino-uno.jpeg
11:58, 3 September 2026 CogWikiEditor talk contribs created page DC Motor with Encoder (Created page with "# Arduino L293D Motor Speed Measurement Using LM393 Encoder ## Overview This practical measures the **RPM (revolutions per minute)** of a geared DC motor using an **LM393 optical encoder module** and an **Arduino**. The encoder disc is mounted on the **gearbox output shaft** and contains **20 slots**. > **20 encoder pulses = 1 complete output-shaft revolution** The motor is driven using an **L293D motor driver**, while the encoder pulse signal is connected to Arduin...")
00:04, 1 September 2026 User account JefferyTerrill8 talk contribs was created
02:31, 30 August 2026 CogWikiEditor talk contribs created page IPDL - 15: IoT-Based Small Project (Created page with "== IPDL - 9A: Distance Measurement Using Arduino Uno and Ultrasonic Sensor == === Objective === To interface an '''ultrasonic sensor''' with an '''Arduino Uno''' and measure the distance of an object from the sensor. === Required Components === * Arduino Uno * HC-SR04 ultrasonic sensor * USB cable * Jumper wires === Circuit Diagram === <!-- IMAGE PLACEHOLDER: Suggested image: Circuit diagram showing Arduino Uno connected to an HC-SR04 ultrasonic sensor. Show: * HC-...")
14:28, 29 August 2026 User account KellyShetler talk contribs was created
12:24, 29 August 2026 CogWikiEditor talk contribs created page IPDL - 11: Web-Based Display of Humidity and Temperature Data (Created page with "== IDPL - 11: Displaying Humidity and Temperature Data on a Web-Based Application == === Objective === To interface a '''DHT11 temperature and humidity sensor''' with an '''ESP32''' and display the measured temperature and humidity values on a web page hosted by the ESP32. === Required Components === * ESP32 development board * DHT11 temperature and humidity sensor * USB cable === Circuit Diagram === <!-- IMAGE PLACEHOLDER: Suggested image: Circuit diagram showing D...")