12V simple CFL driver circuit

The original power supply AC-3400 features a charger function. In addition to the power button and the indicator light for power status, the front panel includes a charge level indicator for the accumulator, a start button, and a socket for...

Charger for 12V lead acid battery

A battery is a vital element of any battery-backed system. In many cases, the battery is more expensive than the system it is backing up. Hence, practical measures must be adopted to conserve battery life. As per manufacturer's data sheets,...

12V Regulated Inverter Supply

When operating 12V electronic devices from lead-acid battery banks, the voltage supplied to the appliance can fluctuate significantly, ranging from below 11V with discharged batteries to over 14V during charging. Many appliances cannot tolerate such wide voltage variations, which may...

12V Auto-Powered Circuit For Cassette Recorders

A regulator enables the powering of a 7.5-V cassette recorder or other devices from a 12-V DC automotive system. The circuit can provide approximately 600 mA of current. Q3 requires a heatsink due to its potential to dissipate up to...

12v 5a power supply using lm338

A 12V power supply is an essential and useful resource for laboratories, as it is employed by a wide range of electronic circuits and devices. A 12V power supply circuit can be constructed based on specific ampere requirements. A voltage...

A 12V Car Charger For ASUS Eee Notebook

The ASUS Eee is an ultra-portable notebook designed for tech enthusiasts, offering essential features without unnecessary extras. It boasts excellent build quality and is competitively priced. In New Zealand, it can be purchased exclusively from DSE, making it cost-effective compared...

5W FLUORESCENT LAMP INTENSITY MODULATOR

The circuit was designed to experiment with using small fluorescent lamps as a broad pattern source of modulated light. The circuit delivers narrow 1 μs pulses to the small lamp at a frequency of 10 kHz. Each pulse generates approximately...

250 Watt PC power Supply

Up to 10 A continuous output current, or operation with 50 % ESD and 18 A peak current are possible without a fan if sufficient natural air flow is present and the ambient temperature does not exceed 30 °C. A...

12 V Florescent lamp driver circuit

This circuit provides a simple and effective method for driving fluorescent lamps using a 12 V power supply. The circuit consists of an oscillator, a MOSFET switch, and a step-up transformer to power the fluorescent lamp. The TLC 555 integrated...