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.
Do It Yourself Construct Cordless Microphone Receiver Matrix Stripboard
The cordless microphone receiver unit below is constructed on a 0.l inch matrix stripboard having 15 copper strips by 26 holes, as shown in the illustration diagram.
Do-It-Yourself Make Temperature Meter using 7106 IC
Interested in making a temperature meter by do-it-yourself? The picture above show you how to circuit the temperature meter if you are want to do it by yourself make this device.
DIY Assembly Step-Up DC Voltage Converter
Within the article you will find sections such as performance table specifications of the DC Voltage Converter (40mV line regulation, 30mV load regulation, and 150mV output ripple), the assembly instructions consist of component needed (resistors and diode, ceramic, electrolytic capacitor and IC socket, DC power jacket, inductor), circuit description, and description about checking if the device doesn’t work after be assemblied.
