• Robot Arm with Controller

      The robot arm uses three conventional PWM servos, and each angle is controlled by a variable resistor. The rotary potentiometer used B curve 10k ohm. Two DS3115 servo motors were used in the vertical direction, and...

    • Posted 5 months ago
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  • Showing PWM on an Oscilloscope
    Showing PWM on an Oscilloscope

      In this project, we see how to show Pulse Width Modulation (PWM) on an oscilloscope. Along the way we identify some ways to calibrate our oscilloscope probe(s), and our oscilloscope. Along with the detailed explanation, some...

    • Posted 8 months ago
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  • ESP32 expansion for PWM

      I’ve been working on a little ESP32 expansion board/shield for an LED project I’ve been working on. One of the nice things about the ESP32 is that it has a peripheral known as “LED control” that...

    • Posted 10 months ago
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  • Adafruit DC & Stepper Motor Bonnet for Your Pi Now Available

    A new Raspberry Pi stepper motor and DC bonnet has being designed by Adafruit and is now available to purchase from their online store priced at $22.50. The Raspberry Pi bonnet can drive up to 4 DC...

    • Posted 1 year ago
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  • FISH&GO! A WiFi Rover controlled by Blynk APP

      Based on the Fishino UNO board, a simple and funny project to join practicality and fun together. We are going to build a robot on wheels controlled from the “Blynk” app and we are going to...

    • Posted 2 years ago
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  • Active Semi Inc presents Hydra-X 10 and Hydra-X20

    Active-Semi Inc presents Hydra-X10 and -X20: 32-bit ARM Core microcontrollers. With the PAC 52xx ICs on Hydra-X, users can apply high power input voltage of 52V, which is perfect for motor projects. An interesting piece of work,...

    • Posted 6 years ago
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