DIY Circuit: An Electronic Counter for your Mailbox Letters
Does the postman was coming today? or are there any letter for today? Such questions always came out of the millions of people each day. And, as usual, the answer is to simply look to the mailbox. An electronic counter for your house mailbox letters can be built as your funny diy project.
DIY How to Make an Automatic Emergency Lighting Unit
This automatic emergency lighting unit use NiCad batteries in the main circuit to provide a power supply which is always ready for emergency lighting during power outages. The automatic emergency lighting circuit and the tool is simple.
How to Perform a Starter Motor Pull-In Test DIY
Please disconnect the battery ground (—) cable before removing the starting motor. And here is your starter motor pull-in test diy guideline:
Do It Yourself Hookup Ammeter Gauge for Internal Regulator
An ammeter gauge may be used in car/automotive in order to exactly monitor charging system condition. Below illustration shows hookup design schematic for ammeter gauge to be added with its original internal regulator.
DIY Grafted Ducellier Alternator with Electric Ford Regulator
If you ever met a problem with your lights and wipers on your Citroen D or Citroen SM such a flickering lights or the wiper won’t work correctly, it could be the Ducellier alternator of the vehicle needs to be replaced or modified.
