Categories

Posts Tagged ‘ESP32’

Polar Coaster drawing machine

Thursday, January 3rd, 2019

Barton Dring designed and built a Polar Coaster drawing machine to draw custom, round drink coasters: I recently decided to update the Polar Coaster project. The primary reason was to update the controller to use Grbl_ESP32 firmware. I also thought I could make it smaller, lighter and remove a little...

Tags: ,
Posted in DIY | No Comments »

New 2.5D pen/laser ESP32 controller

Thursday, December 6th, 2018

Bdring published a new build: I have done several pen and laser machines lately, so I decided to create a custom PCB for Grbl_ESP32 for these types of machines. This is a small (70mm x 60mm) PCB with all the features a pen plotter or laser cutter/engraver would need. These...

Tags: , ,
Posted in open source, wireless | No Comments »

Grbl_ESP32 development board version 3.1

Friday, November 9th, 2018

A board to control your CNC machine with Grbl_ESP32 designed by Bart Dring, that is available on GitHub: This is a Grbl_ESP32 CNC Development board. This is a quick and easy way to use and test CNC on the ESP32 controller. Grbl is a great CNC firmware that has been...

Tags: ,
Posted in dev boards, open source | No Comments »

uMesh – A self-contained, battery operated ESP32 module

Tuesday, October 23rd, 2018

Jarrett published a new build: I’ve been working on an ESP32 module. Part of the problem I’ve been seeing with inexpensive IoT dev boards, is that the design around the power system hasn’t been very good. Here’s my attempt to fix that. This is a battery-ready module with a proper...

Tags: ,
Posted in PCBs, wireless | 2 Comments »

ESP32 AM radio transmitter

Friday, October 12th, 2018

A how-to on making a simple AM radio transmitter using the ESP32 microcontroller by Bitluni: AM Radio transmissions are based on a carrier signal which is modulated by the audio signal. It’s a very basic principle but prone to noise from the environment. Using the ESP32 it is really simple...

Tags: ,
Posted in tutorials | No Comments »

Grbl_ESP32 CNC development board

Saturday, August 25th, 2018

Bart Dring has designed a development board for using CNC on Grbl ESP32: This is a Grbl_ESP32 CNC Development board. This is a quick and easy way to use and test CNC on the ESP32 controller. Grbl is a great CNC firmware that has been around for nearly a decade....

Tags: ,
Posted in open source | No Comments »

ESP32 with multiple DS18B20 temperature sensors

Monday, July 9th, 2018

Guide to ESP32 with multiple DS18B20 temperature sensors from Random Nerd Tutorials: This guide shows how to read temperature from multiple DS18B20 temperature sensors with the ESP32 using Arduino IDE. We’ll show you how to wire the sensors on the same data bus to the ESP32, install the needed libraries, and...

Tags: ,
Posted in tutorials | No Comments »

EEPROM rotation for ESP8266 and ESP32

Wednesday, June 27th, 2018

Xose Pérez over at Tinkerman writes: The Arduino Core for ESP8266 and ESP32 uses one SPI flash memory sector to emulate an EEPROM. When you initialize the EEPROM object (calling begin) it reads the contents of the sector into a memory buffer. Reading a writing is done over that in-memory...

Tags: , , ,
Posted in code, tutorials | 4 Comments »

Alexa (Echo) with ESP32 and ESP8266 – Voice controlled relay

Tuesday, March 27th, 2018

Rui Santos writes, "In this project, you’re going to learn how to control the ESP8266 or the ESP32 with voice commands using Alexa (Amazon Echo Dot). As an example, we’ll control two 12V lamps connected to a relay module. We’ll also add two 433 MHz RF wall panel switches to...

Tags: ,
Posted in tutorials, wireless | No Comments »

Game audio for the ESP32

Monday, February 19th, 2018

ESP32 game audio at Buildlog.Net blog: I have been working on some games for the ESP32 and needed some decent quality audio with a minimum number of additional components.  I was bouncing between using the DAC and using the I2S bus. The DAC requires less external parts, so I went...

Tags: , ,
Posted in library, wireless | No Comments »

ESP32lights

Thursday, January 11th, 2018

Luca Dentella published a new build: Today’s project, ESP32lights, is a smart device based on the esp32 chip. Thanks to ESP32lights you can turn a load on and off (I used it for my christmas lights) manually based on daily schedules based on the light intensity ESP32lights connects to your...

Tags:
Posted in wireless | No Comments »

ESP32 web server – Arduino IDE

Tuesday, April 18th, 2017

Rui Santos from Random Nerd Tutorials has posted a detailed tutorial on how to create a standalone web server with an ESP32 that can toggle two LEDs using the Arduino IDE. Full details at Random Nerd Tutorials homepage. Check out the video after the break. (more…)

Tags: , ,
Posted in Arduino, tutorials, wireless | 1 Comment »

Recent Comments