Content for BC547

Simple Touch Sensor for LED Lighting

“In this project, we have designed a touch sensor that powers LED when the test point terminals are touched with a finger. Have you wondered about how to come up with a Touch switch by yourself? Yes! with the invention …

The Famous NE555 Timer-IC, Original and a Bit Larger

“Integrated circuits (IC) are indispensable today. They’re made up of many thousands of electronic components (transistors, diodes, resistors, etc.) and still don’t take up much more space than a fingernail. One of the most well-known ICs is the …

PRINT-A-SKETCH

“A Handheld Printer for Physical Sketching of Circuits and Sensors on Everyday Surfaces We present Print-A-Sketch, an open-source handheld printer prototype for sketching circuits and sensors. Print-A-Sketch combines desirable properties from free-hand sketching and functional electronic printing. Manual human control …

ESP01 Project Using Blynk IFTTT & Google Assistant

“Make an ESP01 Project using Blynk IFTTT to control a 2-channel relay module with the Google Assistant. (Circuit + Source Code) In this IoT project, I have shown how to make an ESP01 Project using Blynk IFTTT to control a 2-channel …

LoRa Project With ESP8266 Arduino Control Relay

“In this Lora project, I have shown how to make the LoRa Arduino ESP8266 control relay using the RYLR896 LoRa module with real-time feedback. Required component for this Transmitter circuit: - REYAX RYLR896 Lora Module - Arduino Nano - 220-ohm Resistor - 4.7k …

Anti-Sleep Glasses

“Sleeping on wheels is dangerous sometimes it may converts into fettle accidents. these glasses will alert you when you feeling drowsiness. Hello all, I Hope you all are safe. I’m here with another project which you can build with …

Tasmota NodeMCU Alexa Smart Home System 2021 Without Coding

“How to make IoT-based Smart Home Automation with Tasmota Amazon Alexa & ESP8266 NodeMCU to control 4 relays from switches & Alexa app. I have shown how to make IoT-based Smart Home Automation Using Tasmota Amazon Alexa & ESP8266 NodeMCU to control 4 …

DIY Pulse Oximeter

“Hello all, I Hope you all are safe. I’m here with another project which you can build with very few components. In this writeup, I’m going to tell you, how you can make a Pulse Oximeter by using …

MQTT ESP8266 Home Automation Project 2021

“How to make MQTT ESP8266 NodeMCU Home Automation project to control relays from the switch and smartphone (Circuit + Code) through internet. In this IoT project, I have shown how to make an MQTT ESP8266 Home Automation project to control a …

12V Uninterruptible Power Supply

“A simple and fully automatic, 12V uninterruptible power supply system for small/medium power appliances. Motivation This is a simple and fully automatic, 12V uninterruptible power supply system for small/medium power appliances. This power supply specifically designs to drive …