Author: Mike
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 ReadingPiezo 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 ReadingHigh-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 ReadingCurrent-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 ReadingNexperia PBSS4310PAS-Q NPN Low VCEsat Transistor
Nexperia PBSS4310PAS-Q NPN Low VCEsat Transistor features a very low collector-emitter saturation voltage, high collector current capability, and high efficiency due to less heat generation. The PBSS4310PAS-Q is housed in an ultra-thin SOT1061D (DFN2020D-3) leadless small...
Continue ReadingC12880MA Breakout Board with Hamamatsu C12880 MEMS µ-Spectrometer
GroupGets' MEMS micro-spectrometer offers a spectral response of 340 nm to 850 nm and 15 nm of resolution with an Arduino compatible breakout board GroupGets' C12880MA breakout board is a simple Arduino compatible breakout board for the Hamamatsu C12880MA MEMs micro-spectrometer....
Continue ReadingAllegro MicroSystems ACS72981 Linear Hall-Effect Current Sensor ICs
Allegro MicroSystems ACS72981 High-Precision Linear Hall-Effect-Based Current Sensor ICs are economical and precise AC or DC sensing solutions. The ACS72981 features a 250kHz bandwidth ideal for motor control, load detection and management, power supply and DC-to-DC converter control,...
Continue Reading4-in-1 sensor fusion processor reduces power, size, and cost
Synaptics has launched its FlexSense 4-in-1 sensor fusion processor that reduces system design, configuration, and costs in IoT applications. Synaptics Inc. has unveiled its FlexSense family of sensor processors that supports input from up to four sensors in a tiny form factor,...
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