Arduino Board Includes a USB-C Port, LDR, Power Switch, and Many Other Features
Arduino

Arduino Board Includes a USB-C Port, LDR, Power Switch, and Many Other Features

Designed by Polia31, the Axiometa Spark is a Custom Arduino Board with all the most used features that are used in everyday projects. Features of this custom Arduino board include a USB-C port, triple rows of pin headers for easy connections, an interrupt-supported user button, and...

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Use a Comparator or Op-Amp to Simplify Light Dependent Resistor Output
ArduinoBasic Electronics

Use a Comparator or Op-Amp to Simplify Light Dependent Resistor Output

If your project calls for light sensitivity, it’s hard to beat light dependent resistors (LDRs), also known as photoresistors. They’re available for a few cents each, and their resistance varies based on how much light they receive. In the dark, these devices produce resistances in...

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Mini Infra-Red Remote Robot Controller Shield For Arduino Nano
ArduinoMotor

Mini Infra-Red Remote Robot Controller Shield For Arduino Nano

The Mini Infra-Red Remote Robot Controller shield for Arduino Nano is designed to drive mini mobile robots. Low voltage DC Motor controller interface allows Infrared wireless control of two DC motors, two PWM and 2 Direction signal outputs to drive two motors separately. TB6612 IC is...

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Automatic monitor brightness controller
Mcu

Automatic monitor brightness controller

Dilshan Jayakody build a auto monitor brightness controller that adjusts your monitor brightness according to lighting conditions. He writes: The sensor unit of this system is build around PIC18F2550 8-bit microcontroller. To measure the light level we use LDR with MCU's inbuilt ADC....

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Light and Dark Sensitive Switch
Control

Light and Dark Sensitive Switch

Light / Dark Sensitive Switch project is a simple project which operates a relay when the light falling on the LDR goes below or goes above a set point. Input - 12 V @ 50 mA Relay output - SPDT relay 2-in-1 kit, either as light sensitive kit or dark sensitive switch Onboard...

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Anti-Drowsiness Alarm
Miscellaneous

Anti-Drowsiness Alarm

This reference design is an anti-drowsiness alarm, which aims to keep the drivers alert by disrupting one’s drowse. According to the study by U. S. National Highway Traffic Safety Administration (NHTSA), drowsy driving is the primary contributor of at least 100,000 auto crashes a...

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