Stepper Motor Controller Using TDA2030

There are many version of stepper motor type, also the many version of stepper motor controller design. This circuit is…

55 years ago

12V 4A Solar Photovoltaic Battery Charger

This is the circuit diagram of 12 Volts, 4 Amperes Solar Photovoltaic (PV) battery charger which will be suit to…

55 years ago

Ding-Dong Door Bell

This ding-dong door bell circuit might become the simplest and cost-effective door bell circuit. The circuit is designed based on…

55 years ago

2KM Long Range FM Radio Transmitter

This long-range FM radio transmitter has an additional RF power amplifier stage, after the oscillator stage. The extra RF power…

55 years ago

Electronic Appliance Protector

This is a easy built and very low-cost circuit purposed to protect your electronic appliances / devices, such as Personal…

55 years ago

Stage Center Reverb Guitar Effect

This is the simple spring reverb guitar effect circuit that can be built low cost and just requires a minimal…

55 years ago

Infrared (IR) Cordless Headphone

This is the schematic diagram of Infrared (IR) cordless headphone. Maybe it also can be called "wireless headphone", but it…

55 years ago

Uninterruptible Power Supply with PIC17C43 Microcontroller

This is a MicroChip Uninterruptible Power Supply (UPS) reference design with PIC17C43 microcontroller. The document is available to download from…

55 years ago

2W RF Amplifier with MOSFET LF2810A

This is a 2W RF amplifier circuit build with single power MOSFET LF2810A. Figure A Figure A is the schematic…

55 years ago