Skip to main content
ELECTRONICS COMPONENTS · ARDUINO · ESP32 Shop, learn and build
BUILDCIRCUIT.COM logoBUILDCIRCUIT.COMLearn · Design · Build
THE MAKER'S WORKBENCH

Ideas become circuits.
Circuits become projects.

Practical Arduino, ESP32 and electronics tutorials. Explore real projects, learn how circuits work and build something extraordinary.

Explore tutorials →Shop electronics ↗
ARDUINOESP32DIY ELECTRONICSCIRCUIT DESIGN
EXPLORE YOUR INTERESTS

Choose your next build

⚡Basic Electronics149 projects⚡Arduino122 projects⚡Do-it-yourself kit97 projects⚡Assembly85 projects⚡PCB GERBERS85 projects⚡Products62 projects⚡Amarino40 projects⚡Bluetooth Audio Amplifier32 projects⚡Uncategorized31 projects⚡Bluetooth Audio Receiver12 projects⚡Amarino version 3.09 projects⚡Cricket Scoreboard8 projects
FROM THE PROJECT LIBRARY

Tag: Dark Sensor

23 articles

Remote Operated Switch
MAKER TUTORIAL

Remote Operated Switch

When you press an infrared transmitter or normal TV remote control near TSOP1738 infrared sensor, the 555 timer configured in monostable mode gets...

Read tutorial ↗
AM receiver from dark sensor
MAKER TUTORIAL

AM receiver from dark sensor

In this case, LDR has been replaced with capacitor C1-0.01uF and resistor R3-1K has been replaced with L1 & VC1. In place of a LED, a Piezo...

Read tutorial ↗
Basic RC circuit
MAKER TUTORIAL

Basic RC circuit

For the circuit to work as light operated musical bell, we need to connect the SW1- switch to N/C terminal of relay. LDR has to be kept in a dark case.

Read tutorial ↗
FM transmitter and Dark sensor
MAKER TUTORIAL

FM transmitter and Dark sensor

A dark sensor can be converted to a simple FM transmitter using the following components. This FM transmitter is very sensitive and it has...

Read tutorial ↗
Dark sensor using BC557
MAKER TUTORIAL

Dark sensor using BC557

An automatic dark sensor can be made using a PNP transistor(BC557).

Read tutorial ↗
Object counter using LDR and calculator
MAKER TUTORIAL

Object counter using LDR and calculator

To make an object counter we can use a simple dark detector circuit and a normal calculator. Pole and NO (Normally Open) terminals of a relay have...

Read tutorial ↗
Multivibrator
MAKER TUTORIAL

Multivibrator

A multivibrator is an electronic circuit used to implement a variety of simple two-state systems such as light emitting diodes, timers and flip-flops.

Read tutorial ↗
Remote Tester
MAKER TUTORIAL

Remote Tester

Remote tester circuit also resembles the logic of a "dark sensor (using BC557)”. LDR has been replaced with IR sensor TSOP 1738. The circuit works...

Read tutorial ↗
Dark Sensor using 741
MAKER TUTORIAL

Dark Sensor using 741

We can see how can we make heat sensor from dark sensor.

Read tutorial ↗
Building a circuit on a breadboard
MAKER TUTORIAL

Building a circuit on a breadboard

A breadboard is a device for testing temporary electronics projects. Components used to test a circuit can be reused for other projects. None of...

Read tutorial ↗
Dark/Light sensor using transistor
MAKER TUTORIAL

Dark/Light sensor using transistor

Automatic Light detector using variable resistor A light detector senses light. As the light level increases and LDR meets the lowest threshold...

Read tutorial ↗