Electronics Weekly

Universal(ish) Arduino grbl opto-coupler interface also works with logic-level pwm

In adding an alternative cutter drive motor (‘spindle’) to an existing cnc machine, an electrically isolated pwm to analogue converter is needed. The machine uses a ‘grbl’ controller, which has an ...
eeNews Europe

Learn STM32 Programming with MicroPython or Arduino

Explore two new Elektor Academy Pro STM32 programming courses, featuring MicroPython and Arduino, as part of the Embedded ...
EDN

A Powerful 30A DC Motor Driver using Power Mosfets [PWM Controlled, Half Bridge]

In this article we will discuss how to build a powerful DC motor driver that can be controlled using a microcontroller like an Arduino or a Raspberry Pi, or even a standalone PWM generator chip. DC ...
EDN

H-Bridge PWM DC Motor Driver Using Power MOSFETs

An H-bridge (full-bridge) driver is quite popular in driving loads such as brushed DC motors and it is widely used in robotics and industry. The main advantages of using an H-bridge driver are high ...
I Programmer

Arduino Simple DAC

The Arduino library provides a very simple way to generate a PWM signal. The only problem is that the frequency is fixed and all you can alter is the duty cycle: analogWrite(pin, value) where pin is ...