For controlling Arduino via Bluetooth here’s a simple, basic and functional app.
A tutorial on this etching this ATtiny85 THT based PCB.
Turn an LED high or low with your body capacitance. (with simple RC circuit)
A tutorial on how to make a passive infrared based motion LED.
A simple button cycler which changes the colour/animation of NeoPixel on a press of a button.
Control your mouse cursor with this simple Leonardo switch setup.
A simple tutorial on connecting the low-cost ATtiny85 with a Bluetooth module to toggle load.
Learn how to build this massive seven-segment display with seven LEDs and cardboard.
A simple setup for LED toggle via TouchPad sensor TTP223.
Chunchunmaru is an Arduino UNO-based robot which can carry heavy loads (100kg-200kg) from one location to another.
It's a BLDC motor based jet turbine.
It's an Arduino-based robot which brings food from the kitchen to my room.
Combine Arduino with Bluetooth and relay, and control your AC appliance with a smartphone app.
Learn how to use an LCD with I2C ASAP.
Clap twice to turn ON or OFF the load which is connected to relay.
Learn how to create a Dimmable LED lamp with and without a microcontroller.
This is about transistors.
I made a simple 555 blinker circuit and added a MOSFET to control 12V LED strip with it.
Learn how to control a relay module LIKE A BOSS to do a little home automation.
It's a pair of mood light-ish eyes which can change color according to sensor value or battery status of setup.
It's a tutorial but with freeform circuitry components.
Learn how to make a 3D-printed RGB lamp using a WS2812 LED strip.
Create a minimal robot setup with L298N motor driver and HC-05 Bluetooth module.
"Attiny85 based Music Reactive LED strip setup"