I was looking for an option to create a circuit with a switch, so I can use two single cell li-on Nokia cell phone batteries in series, but charge them in parallel through a USB charger. The idea is to …

A circuit to use 2 single cell li-po / li-on batteries in series and charge them in parallel Read more »

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After testing the basic Wi-Fi connectivity options of the ESP8266 it is now time to explore some of the more interesting features of the chip. In the sketch below the NodeMCU development board creates a Wi-Fi access point and starts a web-server. A …

ESP8266 example: Wi-Fi Access point, static IP, web-server and remote GPIO control Read more »

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ESP8266 WiFi Access Point

In the following examples, I will be using the NodeMCU development board and will program it with the Arduino software. Hopefully you have already set-up your ESP8266 development environment and were able to load the blink sketch. If not please follow …

ESP8266 Wi-Fi tutorial and examples using the Arduino IDE Read more »

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I have recently started exploring an ESP8266 based development board I had sitting around. There is a growing number of firmware and development tools for the board, but as I am familiar with the Arduino IDE and syntax, I decided …

How to program the ESP8266 WiFi Modules with the Arduino IDE (Part 1 of 2) Read more »

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