https://youtu.be/7I8b6yBJvXE Step 1: COMPONENTS REQUIRED Bluetooth module (HC-05) AT89S52/C51/S51/C52 microcontroller Relay Driver ULN2003A Relay Resistances and capacitors as circuit diagram depicts(below) power module(if the input is more than 5V or …
DIY Cheapest Bluetooth Controlled Home Automation Using Atmega Read More »
This instructable is part of my DIY Home Automation series, check out main article “Planning a DIY Home Automation System“. If you don’t know yet what Homie is, have a look at homie-esp8266 + homie from Marvin Roger. There are many many sensors. I’m covering the very basic ones in order to give reader the requirements to get started building …
Building Homie Devices for IoT or Home Automation Using Atmega Read More »
A relative asked me if I could create something that automates refilling a water barrel used for watering a small garden greenhouse. They didn’t want to plug in a pump every few hours only to have turn it off again ten minutes later when it has filled up again. So I’ve scavenged some stuff that …
All the lights in my house are smart so I’ve got pretty used to yelling at them to switch on and off, but it ends up making me look dumb when I yell at a light that isn’t. And I look especially dumb when yelling at candles. …
Alexa-controlled Adam Savage Pumpkin Using Atmega Read More »
I want to share my experiment with voltage divider, ADC and AVR Homemade battery monitor using AVR It’s pretty simple the sensor are only two resistors and zener diode with capasitor, I don’t buy them, I’ve found it in my box. We can …
