Raymond_Vermeulen (10)

9-11-2012 | This project was inspired by a model plane enthousiast who likes to fly large models. One problem he had was that when the battery pack is c...

20-09-2012 | A blast from the past. An all time favorite among grade schoolers around the world.A Potato battery! (or other fruits and vegetables)But now...

24-08-2012 | This is a concept for a high speed 480Mbps usb isolator.Why?Just try and find a high speed (480Mbps) usb 2.0 isolator anywhere.

24-08-2012 | This is a concept for an AC powered, isolated AC generator with a PFC in front.The aim is for a 750VA to 1000VA output. The concept is for a...

25-07-2012 | The timer presented here is designed to look like and mimic a classic sandglass and should need zero explaining to your kids, the operation...

25-07-2012 | FPGAs are unquestionably among the most versatile but complex components in modern-day electronics. An FPGA contains a maze of gates and oth...

25-07-2012 | A DIY electrocardioscope using an Android tablet or smartphone as a wireless terminal for viewing the electrocardiograms.

23-05-2012 | After having designed a switched [nodepicker==node/1952==Switched%207805%20Replacement==7805%20replacement]  it was suggested that I should...

25-01-2012 | A small PCB the size of a TO-220 case containing a PWM voltage regulator to replace the classic 7805 by a more efficient regulator and with...

24-01-2012 | If your USB device ever suffers from noise caused by an earth loop or if you want to protect your PC against external voltages then you need...