Projects Projects
3-Phase Brushless DC Sinusoidal Sensorless Fan Motor Driver
Driving a low current 3 phase brushless Sensorless DC motor is very easy with this project.
SPI Programmable-Gain Amplifier with Input VOS Trim and Output OPAMP
The project presented here is an SPI programable Gain Amplifier using MAX9939.
High Current Half-Bridge with Over Current Shutdown
The project presented here is a versatile high voltage Half-Bridge with Over-Current Shutdown.
3V to 5V DC Output Step-Up DC-DC Converter using MAX668
The project presented here is a powerful constant-frequency, pulse-width modulating (PWM), current-mode step-up DC-DC switching regulator efficiently producing 5V from input voltages between 3V to 5V.
High Current MOSFET Based Power Switch with Gate Driver
This power load switch project provides a simple and inexpensive method for power control.
Single Key Touch Sensor using LM2907
This is a single key device featuring a touch ON (Momentary) output.
PWM Temperature Controlled FAN using TC648 and NTC sensor
The project described here is a switch mode fan speed controller for use with brushed or brushless DC motors.
DC-HV DC Converter – 200V @ 20mA Output with 12V DC Input
This is a low-cost DC-HV DC converter built using TL3843 Low-Power Current-Mode PWM Controller from TI.
Dual 40W Audio Power Amplifier with Mute
The stereo audio amplifier project shown here is capable of delivering typically 40W per channel continuous average output power into an 8Ω load with less than 0.1% (THD+N).
Under Speed Warning Alarm for Magnetic Pickup sensor – Frequency Controlled Switch
This is an under-speed sensor module that provides an audible warning and signals output when the speed of a machine is below the set point.
DC Motor Controller using Relay and MOSFET – Arduino Interface
The project presented here is a low-cost solution to control high power brushed DC motor speed and direction.
Low-Cost DC Motor Direction Controller with Fast Brake using 2 Relays
The project presented here is a low-cost easy to use DC brushed motor direction controller with fast-brake, the project was built using two 12V Relays, 2 x BJT transistors, and 2 x tactile switches.