Building a Work Bench

Sunday, July 18th, 2010
Recently i bought myself a bench top drill press, only to discover my workbench was too high for it and i didnt have enough room. I decided that i simply needed another work bench. Below you can find a small work log of the process i use when building work benches. The bench i am building in this log was made to match my previous work benches. This one however is shorter and not as long as the rest, this making it the ideal size for my drill press. The… Read More

Basic Switch Mode PSU

Monday, June 7th, 2010
This is a quick little project i have done which i find very useful.

This particular power supply uses the LM2576T-5.0 switch mode regulator to regulate a higher DC voltage down to 5v.

the circuit itself is nothing new and is straight from the manufactures datasheets, The circuit board is my work. The regulator itself is able to… Read More

Programmable Timer

Tuesday, June 1st, 2010
The task was brought forward to create a simple to use and cost effective programmable timer with a LCD character display. From what i had laying around on the desk the following plan was devised:

The design is fairly straight forward, the whole project is based around the ATMega8L microcontroller as this has enough I/O… Read More

Serial Temperature Sensor

Monday, May 31st, 2010
   The task was to devise a way to read the temperature from a LM35 Temperature Sensor to a computers serial port for integration with LabView. The hardware used was:
  • LM35 Temperature Sensor
  • Atmel ATMega8L Microcontroller
  • MAX232 Level Shifter
  • PC with Serial Port.
Using this hardware and a breadboard… Read More

ATMega8 Development Board

Monday, May 31st, 2010
Sitting in the workshop one afternoon i was playing around with with an Atmel ATMega8L and decided that the breadboard was getting old. This is the results of my frustration. The Task Develop a small PCB that has an ATmega8L, regulated powersupply, Reset Circuit and expansion options. This is the result

ATMega8L Development BoardRead More

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