Using the Infinity Bug Device

Across the phone line of a distant phone, the Infinity Bug is connected in parallel mode as the construction uses diodes, transistors, capacitors, and surface mount resistors with a high degree of soldering.

Developing A Display from Siemens S65 with LS020

The project illustrates how the Siemens S65 was incorporated with LS020 display controller to be used for some applications.

Construction of Stealth Telephone Screener

The stealth telephone screener was specially designed for automatically screening the calls from telemarketers.

E-Field Level Sensor Based on MC33794

The system of MC33794-based E-field sensor was designed around the MC68HC908JK3 microcontroller to be used in any plastic containers in order to detect the liquid levels.

DTMF Interface From Phone to Microcontroller

Developing a system to interface the telephone line with a microcontroller is the main purpose of this project which will involve the of DTMF tones.

Camera-Mount Carousel Controlled by MCU

The MCU controllable camera-mount carousel is made from old CDs that serves as the spinner with the potentiometer that functions as the axle in order for the position to be determined.