Only the watch face factor forced us to purchase almost the same kind of traditional watches. But creativity no longer is chocked with the advent of open-source software running on a smartwatch. Smartwatches do have limitations at present but the watches running some open-source software make your development easier. Samsung is one of the pioneers of Tizen OS. They have a development platform for … [Read more...]
Samsung A50s : Hidden & Less Known Features
Previously we published a review on Samsung A50s. A50s Has a Good Number of Hidden Features Among the Available Smartphones. I am using a Samsung S10 and this A50s (as an upgrade to J7 Max) among the latest sets. S10 costs so higher for official support of VR, DEX, the display, wireless charging, more features of USB-C, 8GB RAM and so on. Many difference exists between S10 and A50s. But I can say … [Read more...]
Latest Smartwatch Technologies : Part II
In the first part of the series on the latest smartwatch technologies, we divided the smartphones in to three categories - (i) cheap (ii) mainstream (companion of a smartphone) and (iii) luxurious watches. That part mostly discussed the hardware features touching the presently available high-end chipsets. In this second part of the series, we will focus on the luxurious smartwatches. For obvious … [Read more...]
Latest Smartwatch Technologies : Part I
Smartwatches are a type of wearable tightly related to Internet of Things. The present form of the smartwatch is hardly 6 years old with some of the smartphone-like abilities and some special ability. The most important part of a smartphone is its display. Most of the future buyers of smartphones have some common questions. Mechanical watches and the hybrid luxurious watches have the resell value … [Read more...]
Smartphones Which Support 5G (Oct 2019)
In our earlier articles we have discussed about 5G. There is a practical need to know whether 5G network going to be available in the next year. According to the official news, 5G shall be available to users at affordable prices starting from 2021. So, we can comfortably say that most of the users do not need a 5G set in the next year. It does mean - we should avoid purchasing present top-model 4G … [Read more...]
Difference Between a USB Type-C and a Micro-USB Connector
USB-C Connector (USB Type-C is the official name) Increasingly Being Used in Modern Smartphones and Other Computing Devices. USB-C is not like the classic USB connectors (including the microUSB and MiniUSB connectors). USB came as a replacement for the large connectors to replace the serial ports, parallel ports, the port for PC mouse and keyboards. USB Type B was designed for the larger, … [Read more...]
How to Use Android Smartphone as IoT Device (Termux, Node-RED)
We can use any modern Android Smartphone something like a Raspberry Pi with a camera, all the sensors & send the collection to any IoT platform. Although it will sound like a complex work it is easy because of a lot of development by many hundreds of developers. There are ready to use Android applications which does the similar job from GUI and connect with IoT platform like IBM Watson IoT … [Read more...]
Raspberry Pi Zero For Low Cost IoT Projects
There is nothing to disagree with the advantages and low cost of microcontrollers such as ESP32. But, by design ESP32 can not perform complex computing works. Adafruit's CircuitPython and MicroPython are good way to work with Python on microcontroller. But, there are many use-cases where using MicroPython/CircuitPython pushes to the limit. Cost of boards from Adafruit and Arduino are not cheap … [Read more...]
Raspberry Pi 3 Vs Raspberry Pi 4 For Dev Works
Raspberry Pi 4 released just a few months back from today. Raspberry Pi 3B+ has not become obsolete. It will be supported for the projects which work well with it. Unless you need the extra RAM for a project, getting a new board will invite to buy or 3D print an enclosure. The port layout of Raspberry Pi 3B+ is different than Pi 4. The more bad news is that - Pi4 gets hotter. Does it play 4K … [Read more...]
Control Multiple AC Appliances With One ESP32 Arduino
The result of this guide will be a local control panel with ESP32, pushbuttons, LED indicators, relays which can control the connected AC appliances by the simple pushbutton press. When connected to Wi-Fi, it will be able to control the thing over the internet with simple HTTP cURL commands. This guide and code can be used for home automation or creating smart power outlet. Single relay version of … [Read more...]
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