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 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 ReadingDIY UPDI USB Programmer is Low-Cost Alternative to Ready-Made Programmers
A UPDI USB programmer (Unified Program and Debug Interface) is basically an Atmel / Microchip proprietary programming interface used for some AVR microcontrollers like the ATtiny series. AVR is an 8-bit RISC architecture microcontroller that is developed by Atmel. With the newer...
Continue ReadingAnother Seeed Studio reComputer edge computer powered by an NVIDIA Jetson Nano module
Seeed Studio’s reComputer Jetson series has been around for a while, and are compact edge computers built around the famous NVIDIA Jetson modules for AI embedded applications. The manufacturer continues to add more devices to the list with the all-new reComputer hand-sized edge AI...
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,...
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