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
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
ESP32 Resource Page
This page will regularly change its content to reflect new ESP32 resources. ESP32 IDF API Reference
Bitcoin mining with ESP8266
With the cost of Bitcoin proceeding to climb and with two or three ESP8266’s constantly connected to the net and by any means doing not much I figured to attempt and execute a Solo Bitcoin Miner. After a tad of Read More
ESP-WROOM-32 Tutorial: Uploading a program with Arduino IDE
The objective of this ESP32 tutorial is to explain how to upload an Arduino program to the ESP-WROOM-32 module. Introduction The objective of this post is to explain how to upload an Arduino program to the ESP-WROOM-32 module, from DFRobot. We will cover in more Read More
Common WDT reset causes for ESP8266
Since day 1, I get many questions about the stability of the ESP8266 and why do users get a WDT regularly. The answer lies in 2 different areas. Stable, high current power supply or LDO voltage regulator If your power Read More
ESP32 I/O pins not always GPIOOOO
As of late I have been playing with ESP32’s, and ran into a problem of not being able to make a pin an output. It turns out that not all ESP32 pins can be true GPIO, but rather GPI (no Read More