555 Timer-Based Flyback Transformer Driver

Simplest Intercom

Using old phones Using your old phones, you could create personal "micro" telephone exchange as simple as above circuit. I manag... Baca selengkapnya »

Simple Cable Tester

Simple DIY Cable Continuity Tester How to use This simple cable tester can be used to check 2 wire cable such as coax cable, telephone ... Baca selengkapnya »

Upgrading DivX Player Firmware

Upgrading DivX Player Firmware Planning to upgrade your DivX player using CD? Good idea but if anything happen, your player will be dead. ... Baca selengkapnya »

Biquad ant. for WLAN

Biquad Antenna for 2.4 GHz - 802.11b/g - WiFi - WLAN After some research, I found out that the simplest type of homemade WLAN antenna is Bi... Baca selengkapnya »

ATX PSU Diagnose

About ATX Power Supply ATX Power Supply converts the wall (AC) to the direct current (DC) needed by the PC. The power supply looks like ... Baca selengkapnya »