Tutorials
22
Aug
Introduction To Relay
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By
efeticollins
Relays are a great way to control high-voltage or high-current devices like lamps, motors, or appliances with a low-power microcontroll...
15
Aug
Arduino Light Sensor
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By
efeticollins
Have you ever wondered how streetlights know when to turn on at night and off during the day? Or how a smartphone adjusts its screen br...
27
Dec
SIM800L GSM Module not working
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By
efeticollins
Things To Know About the Sim800L GSM module
The SIM800L must be powered with a voltage range of 3.4V to 4.4V. This just means ...
27
Dec
NEO-6M GPS Module Not Working
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By
efeticollins
The NEO-6M GPS module not working is a common complain from engineer. the truth is 99% of this GPS module you would buy is actually ...
06
Jul
Blind Assistant
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By
efeticollins
/*
Date: 12/06/2024
project: blind assistant device
*/
//DF player start
#include "SoftwareSerial.h"
#include "DFRobotDFPlayerMini.h"
...
01
Jun
31
May
Smart Fire Alarm
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By
efeticollins
SMART FIRE ALARM
METHODOLOGY
Materials, Method and Diagram
Below contains a list of components used and also a detailed explan...