Maker.io main logo
Image of Decoding Op-amp Datasheets, Input Bias Current
TUTORIAL

Decoding Op-amp Datasheets, Input Bias Current

By Uzair Syed

If you think back to your electronics I (or maybe II) class, you'll remember one of the really important properties of a voltage amplifier is that it barely loads your input—that is to say, it has an infinite input impedance.

PROJECT

Set Temperature, Actuator Responds – Arduino LCD Shows Live Temp & Statu

By Ron Cutts

Learn to create analog waveforms on the Uno R4 WiFi. Use its built‑in DAC for sine, square, triangle waves and display results on an LED matrix via Visuino.

Default Profile Image

Rayven Barnes

Skills:

Interests:

MAKER
Image of Sound Generation and Musical Microcontrollers
BLOG

Sound Generation and Musical Microcontrollers

By bekathwia

Explore audio output options, including piezos, speakers, DACs, and playback boards for creating music and sound effects in microcontroller projects.

Default Profile Image

Daniel Jungmann

Skills:

Interests:

MAKER
PROJECT
24

Stained Glass Lamp

By Adafruit Industries

3D Printed Stained Glass Lamp.

PROJECT

ESP32-C3 LCD Kit - RGB LED Brightness & Random Color Using Visual Progra

By Ron Cutts

Learn to adjust RGB LED brightness via rotary encoder and generate random colors on the ESP32-C3 LCD Kit using Visuino. Step-by-step guide for beginners.

Image of Low-Cost, Power Efficient EMG Prosthetic Hand (Part 1)
BLOG

Low-Cost, Power Efficient EMG Prosthetic Hand (Part 1)

By Antonio Velasco

Developing prosthetic technology that is both affordable and functional is challenging in today’s space, mainly due to the costly fabrication and specialized calibration requirements.

PROJECT

ESP32 Weather Dashboard with Satellite Maps and 16-day Weather Forecast

By Mirko Pavleski

The system displays real-time weather data including radar maps, cloud coverage, rain intensity, and detailed multi-day forecasts with interactive graphs.

PROJECT
10

Arduino Proximity Sensor -Activated OLED Display for Smart & Industrial

By Ron Cutts

Build a compact system where an IR obstacle sensor turns on an OLED display upon detecting motion, ideal for smart and industrial automation projects using Visu

Default Profile Image

Chad Bittner

Skills:

Interests:

MAKER
Image of Building a Dynamometer for the Openwheel Project - Part 1
BLOG
28

Building a Dynamometer for the Openwheel Project - Part 1

By Zach Hipps

Explore a custom-built dyno for hub motors using load cells and Arduino, enabling accurate power and torque measurements.