There are many version of stepper motor type, also the many version of stepper motor controller design. This circuit is…
This is the circuit diagram of 12 Volts, 4 Amperes Solar Photovoltaic (PV) battery charger which will be suit to…
This ding-dong door bell circuit might become the simplest and cost-effective door bell circuit. The circuit is designed based on…
This long-range FM radio transmitter has an additional RF power amplifier stage, after the oscillator stage. The extra RF power…
This is a easy built and very low-cost circuit purposed to protect your electronic appliances / devices, such as Personal…
This is the simple spring reverb guitar effect circuit that can be built low cost and just requires a minimal…
This is the schematic diagram of Infrared (IR) cordless headphone. Maybe it also can be called "wireless headphone", but it…
This is a MicroChip Uninterruptible Power Supply (UPS) reference design with PIC17C43 microcontroller. The document is available to download from…
This is a 2W RF amplifier circuit build with single power MOSFET LF2810A. Figure A Figure A is the schematic…