FM transmitter circuit without coil
This is FM transmitter circuit without Coil,using inverter digital IC as main and controlled frequency is precise by crystal. Figure 1 the circuit diagram In Figure 1 is RF oscillator circuit which use a inverter IC1/2 and ceramic crystal filter 10.7 MHz to use drive IC1/4 – IC1/6 by through …
Modem wireless router overheating troubleshooting
This is Modem wireless router overheating troubleshooting by my son. If your Internet is very slow in the daytime is The modem wireless router is overheat. My son measure its temperature was about 55 degrees Celsius. As Figure 1 So we figured out a way to reduce the heat to …
Simple 12V 2A DC power supply
Today, my son builds a simple 12V 2A DC power supply for a 12V solar pump. It is an Unregulated power supply because load is DC motor only. Note: More circuits 12V Power Supply How to works I teach son to understand the working principle of this projects. The main …
PIC microcontroller 2 led flasher circuit using PIC16F627
Today, We will try the PIC microcontroller 2 led flasher circuit using PIC16F627. Because like this circuit Which we can set ON-OFF of both LEDs for easy, long and accurate. Note: I intend to teach his son, love electronics, He like to experiment with the electronic projects For the fun. …
DIY Make Solderless Flexible Breadboard Jumper Wires
DIY Make Solderless Flexible Breadboard Jumper Wires A jumper wires in the experiment electronic circuits labs on Breadboard is indispensable. Normally we can buy them from general electronic store. Which is cheaper as amazon.com Solderless Flexible Breadboard Jumper Wires M/M 100 pcs at www.amazon.com Now, I will tech my son …