Power Bank becoming an everyday need as our smartphones, wireless headphones increasingly becoming power hungry. Here is timely article providing technical details of the power bank for buying & maintaining. Kindly avoid buying China manufactured cheap power banks. There are several ISO standards related to power bank. Officially, a Power Bank is a lithium-ion powered portable external battery … [Read more...]
Arduino Shift Register 74HC595 Library (For LED)
Of course 74HC595 can do more than just controlling dumb LEDs but LEDs is what commonly used to give example of how 74HC595 works and LEDs are used in decoration. Arduino shift register 74HC595 library makes prototyping with LED easy & fast. Furthermore, the user can add more features or examples to the library or it's fork to make it more useful to the new Arduino users. For this guide, the … [Read more...]
Arduino 3 LED and One Push Button
Previously we published some Arduino guides which use the millis function. Arduino 2 LED was a basic project, Arduino Flip-Flop Blinking LED With Push Button is somewhat advanced project. Others were One Push Button Multiple Functions supporting Single Press, Double Press, Long-Time Press, Arduino Blink LED Rate Depending On Push Button Press Duration etc. In this guide we will use 3 LEDs and one … [Read more...]
Audiophile Grade Vinyl Player (Turntable) Buying Guide
Vinyl sounds great. On modern high end players they looks great too. Many families across the globe has good collection of records but players has been beyond repair. Here is an audiophile grade vinyl player buying guide. If the title making astonished - vinyl player manufacturing continued and modern vinyl players have Blutooth, USB, WiFi. We are not really getting back the original mechanical … [Read more...]
How to Convert Paper Documents to PDF (Pro Quality for Free)
There Are Multiple Ways to Convert Paper Documents to PDF. Printing services and offices use costly professional machines to do it in easy way. This guide mainly utilizing our commonly available home gadgets to get professional result. Modern smartphones are more convinient than the PCs for closer checking of the document by easy pinch & zoom. Also we commonly use smartphones to share the … [Read more...]
Sony Spresense : $65 Arduino IDE Compatible Development Board
Sony Spresense definitely a good board at $65. This development board from Sony is relatively new and sports expected better A/V hardware. Essentially it is a single board computer for IoT development. In other words it is an luxarious Arduino compatible board with ARM CPU. Of course it can run some kind of Linux on it. The board has integrated GPS, Hi-res audio output and multi mic inputs. The … [Read more...]
Guide to Buy Router With 4G SIM Card Slot And RJ45 Ethernet Port
Lot of peoples try to find router with 4G SIM Card slot and RJ45 Ethernet Port. Wireless internet user is a different segment than wired internet users. Depending on country, some of the providers sell such devices, sometime discontinue too. Quite unfortunately, number of such routers is not huge in number and price not exactly lesser. 5G likely to become norm around the year 2022-23. So for the … [Read more...]
How to Connect Arduino to IBM Cloud (To Send Sensor Data)
IBM Cloud's IoT platform for this kind of usage is free. This gives the capabillity of sending data from anywhere like from a car at zero cost. Here is How to Connect Arduino to IBM Cloud (IoT Platform). We are taking it granted that the reader will use Arduino UNO (not Yun, steps will be slightly different). For this project you need to get used with using ESP8266 with Arduino UNO. ESP8266 is a … [Read more...]
Using Raspberry Pi With Smart TV To Extend Functions
It will appear to a novice that the modern large screen Smart TVs (like Samsung NU7100 or Samsung Q8FN) has just another single board computer inside them. It is not true. Televisions always differently designed and even the modern has dedicated system to process video and audio. It is true that we can develop applications for the Smart TV OS (like we described developing apps for Tizen OS) but … [Read more...]
All the Sensors of Android Smartphone on Arduino With 1Sheeld+ Shield
You Can Use All the Sensors of Android Smartphone on Arduino With 1Sheeld+ Shield. You Can Literally Avoid Buying Few Hundred Dollar Worth Extra Shields. A standard mid-range smartphone of today, like Samsung J7 Max has lot of sensors and camera. 1Sheeld+ Shield uses Bluetooth BLE (the Bluetooth module we described before). 1Sheeld+ uses it's built-in Bluetooth BLE module to connect itself to iOS … [Read more...]
Large Screen TV Backlighting : Static & Responsive
These days, all over the earth in various resturents, malls TV backlight can be seen. Large Screen TV Backlighting Not Just Funky Decorative. They Really Reduce the Eye Strain and Some Form Static and Responsive Light Required. Bias lighting can help reduce the eye strain cuased by long exposures to TV screens and monitors in dark rooms. It can also help make the grays and blacks on your screen … [Read more...]