Projects Projects

Cooling Fan Controller Using Temperature Sensor LM35

Cooling Fan Controller Using Temperature Sensor LM35

The project presented here is a low-cost solution for heat management of the heatsink and various equipment that requires automatic control of a cooling Fan.


1 comment Tested
Smart Dual Coil Latching Relay Driver – Bistable Relay Module

Smart Dual Coil Latching Relay Driver – Bistable Relay Module

This Smart Dual Coil latching Relay board can control the ON/OFF power of a device by applying a short voltage pulse to input 1 and input 2.


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Current-Sense Amplifier with Dual Over Current Level Monitor & Alert Output

Current-Sense Amplifier with Dual Over Current Level Monitor & Alert Output

The project presented here is a high common-mode current sense amplifier with two high-speed comparators to detect out-of-range current conditions.


0 comments Tested
High-performance, High-reliability Bipolar Stepper Motor Driver

High-performance, High-reliability Bipolar Stepper Motor Driver

The project presented here is a bipolar stepper motor driver.


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Piezo Element Amplifier for Guitar and Violin

Piezo Element Amplifier for Guitar and Violin

The board presented here is a preamplifier for contact microphones that are used for amplifying the sound of musical instruments which do not contain electrical pickups, such as guitar and violins.


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Li-Ion/Li-Po 18650 Battery to 5V Boost Converter

Li-Ion/Li-Po 18650 Battery to 5V Boost Converter

The project presented here is capable of supplying 400mA of current from a 3.7V Li-Ion/Li-Po Battery input with a 5V output.


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Power-Saving PWM Solenoid Controller

Power-Saving PWM Solenoid Controller

The project described here is a power-saving pulse-width modulator (PWM) controller for solenoids with an internal supply regulator.


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Balanced Line Driver for High Speed Digital and Video Signal

Balanced Line Driver for High Speed Digital and Video Signal

The project presented here is a differential driver for the transmission of high-speed signals over low-cost twisted pair or coaxial cables.


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Audio Line Receiver using INA134

Audio Line Receiver using INA134

The project described here is a differential line receiver consisting of high-performance INA134 OPAMPs with on-chip precision resistors.


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Audio Line Driver using DRV135 with Balanced Output

Audio Line Driver using DRV135 with Balanced Output

The project presented here is a differential output amplifier that converts a single-ended audio signal input to a balanced output pair.


1 comment Tested
1200V High-Current Half-Bridge using FAN73912

1200V High-Current Half-Bridge using FAN73912

The project presented here is designed for high-voltage and high-speed driving for MOSFETS and IGBTs that operate up to +1200V.


1 comment Tested
High Current Half-Bridge with Over Current & Voltage Feedback for Step Down DC-DC Converter

High Current Half-Bridge with Over Current & Voltage Feedback for Step Down DC-DC Converter

This project enables the user to create a high current DC-DC converter.


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