Archives: Projects
![Smart Dual Coil Latching Relay Driver – Bistable Relay Module Smart Dual Coil Latching Relay Driver – Bistable Relay Module](https://www.electronics-lab.com/wp-content/uploads/2022/06/001-1024x651.jpg)
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. This project is useful in low power applications since the coil is not powered all the time and only requires a short voltage pulse. The relay...
Continue Reading![Current-Sense Amplifier with Dual Over Current Level Monitor & Alert Output Current-Sense Amplifier with Dual Over Current Level Monitor & Alert Output](https://www.electronics-lab.com/wp-content/uploads/2022/04/001-3-1024x538.jpg)
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. The comparators are configured to detect and respond to dual over current conditions. These devices feature an adjustable limit threshold...
Continue Reading![High-performance, High-reliability Bipolar Stepper Motor Driver High-performance, High-reliability Bipolar Stepper Motor Driver](https://www.electronics-lab.com/wp-content/uploads/2022/04/020-1024x771.jpg)
High-performance, High-reliability Bipolar Stepper Motor Driver
The project presented here is a bipolar stepper motor driver. It is based on BD63731EFV chip which is a low-consumption driver that is driven by a PWM signal. The power supply voltage of the project is 8 to 28V DC, and the rated output current is 3A. CLK-IN driving mode is adopted for...
Continue Reading![Piezo Element Amplifier for Guitar and Violin Piezo Element Amplifier for Guitar and Violin](https://www.electronics-lab.com/wp-content/uploads/2022/04/BOM-3-1024x391.jpg)
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. Most contact microphones use a piezo element to convert vibration in the body of the...
Continue Reading![Li-Ion/Li-Po 18650 Battery to 5V Boost Converter Li-Ion/Li-Po 18650 Battery to 5V Boost Converter](https://www.electronics-lab.com/wp-content/uploads/2022/04/005-2-1024x551.jpg)
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. The converter has an internal soft start and internal frequency compensation features. The project is built using LTC3426 SOT23-6 chip. The LTC3426 chip is in a...
Continue Reading![Power-Saving PWM Solenoid Controller Power-Saving PWM Solenoid Controller](https://www.electronics-lab.com/wp-content/uploads/2022/04/001-1-1024x640.jpg)
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. The board is based on the DRV110 IC which is a PWM current controller which is specifically designed for solenoid and relay applications. The project...
Continue Reading![Balanced Line Driver for High Speed Digital and Video Signal Balanced Line Driver for High Speed Digital and Video Signal](https://www.electronics-lab.com/wp-content/uploads/2022/04/004-1024x649.jpg)
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. The project was built using the AD8132 chip. It can be used to transmit either analog or digital video signals or another high-speed data...
Continue Reading![Audio Line Receiver using INA134 Audio Line Receiver using INA134](https://www.electronics-lab.com/wp-content/uploads/2022/03/002-3-1024x560.jpg)
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. The project is fully specified for high-performance audio applications and has excellent AC specifications, including low distortion (0.0005% at...
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