Content for Project

Trollduino V1.0

“Response to Hackaday comments section: a 555 timer in Arduino form factor “That’s stupid! Why use an Arduino when you could do the same thing with a 555?” - representitive comment on any Hackaday post that describes any Arduino project …

Very DeepSleep and energy saving on ESP8266 – Part 6: Power DOWN/UP

“The easiest way to save power on an ESP8266 is in fact to switch it OFF when not needed and Switch it ON when needed. A typical example of that is a notifier that mail has been delivered or a …

+/-18V Isolated DC-DC Converter Dual Supply Output from USB 5V Power Input

“This is a mini DC-DC converter with dual output from single 5V DC supply or USB power source (e.g., +/-18V from 5V/USB). The mini board will fit into small space and perform with high efficiency. Basically, the …

60W LED Dimmer for 12V LEDs using 555 Timer

“The project shown here is a cheap 60W LED dimmer for 12V LEDs/12V LED strips. The circuit is based on the very popular, versatile, and low-cost 555 timer IC, NE555 IC generates a PWM signal and IRF540 MOSFET works …

A DIY Quadruped Robot With Arduino, 3D Printed, and Lego-compatible Parts

“Introduction Legged robots have always been one of the most interesting creations in the robotic industry as they could help us in exploring mysterious lunar caves and other space exploration missions. In fact, legged robots are mobile robots with articulated …

Animated Led Star

“For this instructable I got the idea during a conversation with my brother and brother in law. My brother was playing with a Led strip, one meter long wooden strip with 144 WS2812B programmable leds on it, and my brother …

AVR SD Hex Loader ISP

“This project is all about getting your compiled sketch onto your target board without the need to have a connection to a computer running the Arduino IDE. The video demonstrates the operation of the loader. The first board being loaded …

BackpAQ Personal Air Quality Monitor V2

“Welcome to the Instructable for the DIY BackpAQ Personal Air Quality Monitor V2! As we did in the Instructable for BackpAQ Version 1, we will build a high-quality instrument capable of measuring and monitoring the most common sources of air …

Big Seven Segment Display

“Ever since I had solar panels installed on my roof I wanted a display showing the power they generate. The setup I have can produce up to about 3 kW so four digits is needed. I want it to be …

Boost regulator with ATtiny

“When Microchip bought Atmel I was afraid that they would discontinue further development of the AVR MCUs and instead only promote their PIC-devices. But it seems this worry was unjustified. New series of ATtinies and ATmegas have been released …