Arduino Uno: The microcontroller board used for processing sensor data and controlling the robot.; LDRs (Light Dependent Resistors): Sensors used to detect the light intensity. Motor Driver Module: ...

The output from the LDR op-amp circuit can be used to drive an LED directly or via Arduino. In this tutorial, the circuit has been taken on a PCB, in which the operation as a light or dark sensor can ...

You can control the brightness of these LEDs using variable resistors VR1, VR2 and VR3 respectively. Parts Needed. Arduino UNO board – 1 ; 5mm LEDs Red, Green, Blue – each 1 ; 100K Variable resistor – ...

LED Chaser using Arduino and Rotary Encoder. Published October 1, 2015 0. ... 555 Timer Circuits Op-amp Circuits Audio Circuits Power Supply Circuits Arduino Projects Raspberry Pi Projects MSP430 ...

MAX71219 8x8 LED Matrix Display. An 8X8 LED matrix is used to display different kinds of information. The LED matrices are available in various types like single color, multicolor and they come in all ...

In this circuit we are not using any of this complicated components. Instead of these, we are using two LDRs and one LED. LM1801 special-purpose IC ,which is designed especially for smoke detectors, ...

Data from the arduino can go through the light and a while later be received on the receiver side using any light-sensitive device like LDR or photodiode. In this paper, the data or picture from the ...