Kid's Eye and Energy Safe Smart TV - Part 2 Sometimes I feel, kids do this just to irritate us. Or may be, we always have a prioritized list of problems in our subconscious mind. When we solve the top one, the next one pops up and gets highlighted. It is indeed never ending. Few extra hours of running TV will hardly make any difference in m 9 Jul 2020 · 5 min read
Kid's Eye Safe Smart TV - Part 1 Outside of home COVID-19. Inside at home COVID-16. Whole world is fighting against COVID-19. But for COVID-16, I am all alone. I am tired of saying "please stay away from the screen". So thought of this concept project to avoid brain infection at home. By the way, I call two of my kids (age 1 and 6 19 Jun 2020 · 4 min read
Internet enabled (IOT) smoke alarm with SMS notification using esp8266, MQ2, ThingSpeak and Twilio ESP8266 based Internet enabled (IOT) smoke and fire alarm to send SMS notification (Twilio) and to trigger alarm with flashing red LED if it detects smoke and leakage of combustible gas using MQ2 gas sensor. Also ThingSpeak analytics is a great bonus. 4 Sept 2017 · 7 min read
IOT - Home Automation project using Geofencing, MQTT, ESP8266 and MycroPython A home automation project that maps switching on/off of appliances with your entry/exit of a geofence (virtual perimeter for a real-world geographic area). Step into a cool room without having to wait for the air conditioning to start functioning? Watch the garage door open as you drive in. 8 May 2017 · 7 min read
Home Automation - Internet of Things - MQTT (MQ Telemetry Transport), ESP8266 and MycroPython This is my first post on home automation. As a 'Hello World' project, switching on/off a bulb is a common use case. This post is not an exception. But to spice it up, we'll use MQTT (MQ Telemetry Transport) - a machine-to-machine (M2M)/Internet of Things (IOT) connectivity protocol and an android ap 22 Mar 2017 · 6 min read
Configure STA_IF interface of ESP8266 (MycroPython firmware) to connect with WIFI network automatically on boot ESP8266 can act as both Station / WIFI client (STA_IF interface) and Access Point (AP_IF interface). AP_IF interface is active by default in MycroPython firmware on ESP826 . In the earlier post, we connected to the access point (AP mode) of ESP8266 and used WebREPL to remotely control switch on/off 14 Mar 2017 · 4 min read
Example: Remotely switch on/off and control brightness of an LED using MicroPython WebREPL So far, we have flashed MicroPython firmware onto an ESP8266 and setup WebREPL to run programs over WIFI on the chip. Now it's time for a hands-on excercise. We'll remotely switch on/off and control brightness of an LED using MicroPython WebREPL. 8 Mar 2017 · 5 min read
How to setup WebREPL to connect to Python prompt (REPL) of ESP8266 over WIFI network? WebREPL daemon auto-start is disabled by default in MycroPython on ESP8266 for security reason. Here, we'll enable the same, connect to the REPL over WIFI using locally installed WebREPL client and run a "Hello World" program remotely on the chip. 23 Feb 2017 · 3 min read
How to flash MicroPython firmware onto an ESP8266 ESP-12E chip using esptool? By default, ESP8226 module comes with AT Firmware. In this post, we'll see how to flash MicroPython firmware onto an ESP8266 ESP-12E chip using esptool. Tools,Technologies and Components used in this article 1. ESPlorer IDE 2. MicroPython 3. macOS Sierra 4. Components: * ESP8266 ESP 4 Feb 2017 · 6 min read
Install and Configure Oracle Java ME Embedded on Raspberry Pi Raspberry Pi is a low cost, credit-card sized and fastest selling personal computer. In this article, we'll install and configure Oracle Java ME Embedded on a Raspberry Pi. What is a Raspberry Pi? The Raspberry Pi is a low cost, credit-card sized computer that plugs into a computer monitor or 17 Mar 2015 · 6 min read
