ref. # 050092-1
Article download available
In certain cases the reset pulse is too short, causing the red LED to light only and the green and yellow LED to remain off all the time. Contrary to what is mentioned in the article text, it is better to fit IC7 and C7. A solder spot is available for the negative terminal of the electrolytic capacitor, while the positive terminal is connected to the centre pin of IC7.
Elektor design and editorial team