Welcome to i4cy.com

Using Nvidia graphics cards to plot fractals.

Calculating Pi to high precision in a web browser.

Calculating e to high precision in a web browser.

Using Operational Amplifiers to solve Ordinary Differential Equations.

Running a Keras Tensorflow neural network classifier model on a microcontroller to solve the XOR problem.

Free audio signal generator that works in a web browser on a computer or smartphone.

Comparing the computing performance of the PIC microntroller series.

TweetToToot is a free open source utility for copying your Twitter tweets over to Mastodon toots.

Generating a Mandelbrot set fractal in C for the ZX80, ZX81 and ZX Spectrum vintage computers with Z88DK.

A matchbox sized UNIX™ computer.

Vintage TTL Arithmetic Logic Unit (ALU) for performing binary arithmetic and bitwise operations.

Ways to program the STM32F103 Blue Pill Module.

How to recover a Nascom Z80 assembly language source code listing from audio cassette tape.

Easy to build electronic construction kit for receiving FM broadcasts on vintage AM radios.

Easy to build ESR meter for testing the health of electrolytic capacitors.

A vintage digital concept given a new lease of life using the new CLB peripheral.

Displaying 3D objects on a vintage cathode ray tube.

The harmonic analysis of continuous waveforms.

Design for a practical working optical spectrum analyser.

Reuse a 800VA microwave oven transformer for a power electronics project.

A novel use of the LM3915 integrated circuit to indicate both instantaneous and peak power.

A stable 10MHz sine-wave frequency reference for phase locking to a 1MHz GPS disciplined oscillator.

Counting the number of people that live on our planet.

Random science fiction QR-code quotes to inspire your day.

Helps you win the next Lotto jackpot.

Discovering why leaves change from green in late summer to deep red in autumn.

Stressors that can be found in any typical modern office.