Projects Projects
DC Solid State Power Relay with Current Feedback
Optically Coupled Power MOSFET Relay with Galvanically Isolated Current Monitor Output This project employs CPC1718J 100V Single-Pole, Normally Open DC-Only Power Relay and ACS71240 Galvanically Isolated Current Sensor IC with Common-Mode Field Rejection and Overcurrent Detection.
Closed Loop Constant LED Light Source Using OPT101 Light Sensor and OPA569 Power OPAMP
The project presented here is a precision closed-loop LED driver that provides very accurate constant light and can be used for photography, scientific research, and other applications that require an accurate light source.
Brushed DC Motor Driver with Integrated Current Regulation
The highly efficient DC brushed motor driver including an onboard shunt resistor for current regulation presented here is built using the DRV8251 chip.
Thermistor Signal Amplifier for Thermoelectric Cooler using INA330
The INA330 breakout board is a great tool for TEC plate temperature measurements.
Mini Robot Controller Using Infra-Red Remote for Small and Medium Size Robot
The Robot Controller is a very compact solution for controlling small and medium size robots using an Infrared remote.
Phantom Powered Microphone Preamplifier – Low Noise – Professional Quality
The project presented here is a professional quality Phantom powered Microphone pre-amplifier.
Isolated RS-485 Transceiver with Level 4 EMC and Full ±42 V Protection
The project presented here is an isolated RS-485 transceiver that features up to ±42 V of ac/dc peak bus overvoltage fault protection on the RS-485 bus pins.
Crowbar Circuit Using TRIAC and TL431 Precision Programmable Reference
This Crowbar project can be used for preventing an overvoltage or surge condition of a power supply unit from damaging the circuit connected to the power supply.
24V Boost Converter from 4.5V to 20V Input
The project presented here is a boost converter with 24V output from 4.5V to 20V DC Input.
Stepdown DC-DC Converter with Current Limit
The step-down DC-DC Converter project presented here provides 3.3V @ 1A output from an input range of 8V to 36V DC.
Step Up DC-DC Converter – 24V/10mA Output from 12V DC Input – Compatible to TO220 LDO
The project demonstrated here is a small-size solution, high-efficiency, low-cost, and low-EMI step-up DC/DC module for LDO regulator replacement.
2 Channel Smart Dual Coil Latching Relay Board – 2 Channel Bistable Relay Module
This is a Smart Dual Coil Latching Relay that can control the ON/OFF power of a device by applying a short voltage pulse to Input 1 and Input 2.