Other
“After completing my GSM Home Alarm V1.0 and some time of using, I decided to make some modifications. In the hardware the main changes are the replacement of the ultrasonic sensor and the introduction of a keypad. On the …
“We will build 4wd car - the steering will be similar like in a tank - to turn one side of wheels will rotate with different speed than other. At the car will be placed camera on special holder where we can …
“In this tutorial we will go over how you can use a PIC16F886 microcontroller to detect differances in capacitance, this can later be used to tell if a touch pad is being pressed. It’s good to be familiar with …
“This is a door locking system that uses a card with a preset color sequence printed on it to unlock the door. The system is still in the prototyping stage, i’m waiting for the actual lock part to arrive …
“An annoying little thing, really Here’s a tiny pcb that you can stash somewhere and annoy people. Where’s that chirping coming from? It uses an LED, piezo buzzer, ATTINY13 Atmel microcontroller, a very small amount of Arduino code …
“In my first instructable, Ive described how to build a device that should be quite helpful to somebody who wans to treat amblyopia (lazy eye). The design was very simplistic and had some drawbacks (it required use of two batteries …
“This is a tutorial on how to make a prank involving a robot that plays sounds when somebody walks by. This prank uses an Arduino, a distance sensor, a servo motor and a DF Player amongst other materials. We hope …
“I have a whole tray of these 7-segment displays that I pulled out of boards at work that someone threw in the garbage. I’ve had them for well over 10 years. Every now and then, one comes in handy …
“Trying to capture a trace of my very occasional heart palpitation has proven to be nearly impossible. Being keen on electronics, I thought I would make my own ECG (ElectroCardioGram) monitor. This is intended to be a fun project, not …
“The goal of this project is to create an 8-bit 32khz class d amplifier, using filterless topology, controlled by an Attiny85 The goal of this project is to create an 8-bit 32khz stereo class d amplifier controlled by an Attiny85 …