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
CoRE: New ESP8266 Development Stick by rXTX
CoRE is a hackable, easy to use ESP8266 development kit. It fits into a USB-A port like a memory stick. Designed with size in mind, it is one of the smallest ESP8266 development boards in the world, but also one of the Read More
200% Faster Arduino Compiles
Getting 200% faster Arduino IDE compiles with ESP8266 or ESP32 or… well… anything…. OK, this one might not be so much of a project but more of a “pro tip”. We all know that Our PCs can be slow from Read More
ESP32 Arduino: Base64 encoding
Introduction The objective of this post is to explain how to perform base64 encoding on strings, using the Arduino core running on the ESP32. Important: At the time of writing, there is a bug on the base64 encoding library that Read More