Professional RF jammer with RF VCO and power RF amplifier

🚗 LM555 generates a car/bike/bicycle/scooter horn sound which is amplified by LM386

This project contains a Spice model for the popular NE555 timer IC, which is widely used in electronic circuits for generating accurate time delays or oscillations.

⌛ Control a relay connected device for a period of 1 to 100 seconds using a 555

Implemented a smart glasses project for the visually impaired, using advanced IoT technologies without Arduino. The system offers real-time feedback and navigation assistance, with comprehensive documentation and code available. Aimed at enhancing accessibility and independence.

ne555 drawn with Eagle

NE555 timer was launched in 1971 and has a history of 50 years. It is easy to use, stable and cheap, so it is still widely used, and its output in 2003 was 1 billion. Now I use NE555 to make timers. Most of the control parts of electronic door locks use this circuit. The timing method is very simple, 1.1 x RC, which is not very accurate compared…

🎹 An electronic piano that uses the 555 to generate eight different piano notes.

NE555 timer explain

Solenoid pulser for 12V JF-0530B

NodeMCU I2C capacitive Water Level Sensor

Luminous Touch Toy made with NE555 IC & a piezo-electric sensor, with auto-off functionality.

Running Light soldering/3d-printing project for beginners

Several circuit examples supporting the following HITACHI HD44780 modules: 1) LCD1602A, v3, 2) LCD1602A, v3, with the PCF8574A chip providing I2C input and 3) LCD2004A, v1.3, with the PCF8574A chip providing I2C input. Projects require SDCC to compile.