Introduction In this tutorial, we will check how to get the ESP32 SDK version used in the Arduino core from our programs. Since the Arduino core uses the IDF (Espressif IoT Development Framework) under the hood, we will be basically retrieving this Read More
ESP32 Socket Server: Connecting from a Putty socket Client
Introduction In this tutorial, we will check how to setup a socket server on the ESP32 and how to contact it using Putty as a socket client. The code will be implemented on the Arduino core for the ESP32. Note Read More
ESP32 Tutorial: MicroPython support
The objective of this micropython tutorial is to explain how to flash the MicroPython firmware to the ESP32 and test it with a simple “Hello World” program. Introduction The objective of this post is to explain how to flash the Read More
ESP32 MicroPython Tutorial: Parsing JSON
The objective of this micropython tutorial is to explain how to parse a JSON string with MicroPython running on the ESP32. Introduction The objective of this post is to explain how to parse a JSON string with MicroPython running on Read More
FireBeetle Board-ESP32 Projects – Let your cigarette lighter wearable
As a smoker, how cruel it is if I lost my cigarette lighter! I used to think how wonderful with a wearable cigarette lighter. So it comes into being. From the picture, we see it is a kind of big, Read More
Arduino IDE for Building Compiling Environment of ESP32
Arduino IDE is simple! There are many development platforms for ESP32 (ESP-WROOM-32). In some situations, using Linux or cygwin in Windows are quite intimidating for beginners. Using Arduino IDE is a more user-friendly approach. 1. Add The Board URL to Read More
Low Cost Energy Monitor With ESP8266
We are using the popular WeMos D1 Mini ESP8266 development board to build a low cost energy meter with off the shelf devices like the Peacefair Pzem-004T and EmonPi. This is what the Peacefair Pzem-004T looks like with an easy Read More
4-Mation: A 3D zoetrope kit with an ESP8266 brain
John Edmarks Bloom’s and Jeff Leiberman’s Slow Dance inspired me to make a 3D Zoetrope kit, and the ESP was my first thought for the controller. The RGB strobe lights and motor are controlled by a custom board with an Read More
Espressif receives FCC Approval for WROOM-ESP32U
Seems Espressif Systems has received as of today approval for FCC ID 2AC7Z-ESP32WROOM32U Details of the FCC application can be found here. This module has an external WIFI and Bluetooth antenna connection and no on-board antenna as seen in earlier Read More
Buyer Beware
These are going to be popular!! Buyer beware…… These devices are the new SONOFF touch panel switches, they replace standard light switches and work at 90VAC to 250VAC. I have nothing against SONOFF they have very nice ESP8266 equipped devices….. Read More