Content for Perfboard

Digital Clock using Arduino Nano

“Digital Clock with Hour/ Minute/Second Display, Alarm and Hour chime using Arduino Nano and RTC DS3231. Iam a first time user of Arduino, and I actually made this project to learn programming of micro controllers. Though several digital clocks …

IoTRoboticARM

“The project is Robotic-arm controlled by a mobile application known as BLYNK, it is free and easy to use for automation and IoT projects for beginners. In this project multiple servo control different axes and rotation of the arm in …

Long term dust monitoring system

“Monitor the surrounding dust and large particle (>0.5µm) for long time using Blynk IOT and plot the data for further research. In this project I have made a IOT based Dust density monitor which can measure the surrounding dust …

ZX80 Revisited With ESP8266 Program Loader

“ZX80 Computer revisited and adding program loading capability with an ESP8266 (ZXBrowser)”

Charging Board for Lithium-Ion Battery With Step-up to 5 Volts

“I bought a couple of lithium ion 18650 batteries to power electrical projects. However, I needed something to conveniently charge and use the batteries safely. So, I used one of the inexpensive, widely available charger modules, threw in a few …

Poti PWM Control

“This article will show you how to build a PWM Controller for e.g. motors / fans that will set the PWM-Value with a poti. Note: You have to program an Attiny85 (other 8-Pin Attinys like Attiny13 should work too …

The YouTube Box

“By far the biggest time sink that I have is watching YouTube. Since 2008, this website has been my main source of entertainment. I am a huge fan of the platform and many of its content creators. So, I wanted …

Pinewood Derby Car Scale With Center-of-Gravity (CG) Calculation

“A key factor when building a pinewood derby car is its weight. The Boy Scouts of America and other organizations specify a weight of no more than 5 ounces. To improve performance many builders will add as much weight (mass …

TinyPhoto: Embedded Graphics and Low-Fat Computing

“TinyPhoto is a small rotating photobook embedded graphics project that uses the low-power ATtiny85 microcontroller (3mA) and a 128×64 pixel OLED display (c.5-10mA typical, 15mA max). This combination can deliver at least 20 hrs of continuous play on …

Proximity Sensor

“An analogue proximity circuit built with active and passive components Hey there, thanks for coming around, I would love to walk you through on how to create a fully functional proximity sensor and understanding the logic behind it…They are …