Power-Saving PWM Solenoid Controller
Miscellaneous

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
1.049
Views
0 Comments
Li-Ion/Li-Po 18650 Battery to 5V Boost Converter
Power supply

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
1.052
Views
0 Comments
Piezo Element Amplifier for Guitar and Violin
Sensor

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
1.035
Views
0 Comments
High-performance, High-reliability Bipolar Stepper Motor Driver
Motor

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
1.038
Views
0 Comments
Current-Sense Amplifier with Dual Over Current Level Monitor & Alert Output
Test/Measurements

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
1.045
Views
0 Comments
Nexperia PBSS4310PAS-Q NPN Low VCEsat Transistor
Parts

Nexperia 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 Reading
1.030
Views
0 Comments
DIY UPDI USB Programmer is Low-Cost Alternative to Ready-Made Programmers
ArduinoMcu

DIY 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 Reading
1.099
Views
0 Comments
Another Seeed Studio reComputer edge computer powered by an NVIDIA Jetson Nano module
AI

Another 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 Reading
1.044
Views
0 Comments
Archives