What would you think about a program, made in the C language of the Arduino IDE, that makes the LoRa radio change frequency? This is what you will learn about in my video today, where you will learn about the differences between LoRa radio, LoRaWAN protocol, and encryption. We will then create a project featuring […]
ESP32 LoRa Changing Frequency Continue Reading
A number of smartphone manufacturers have, for a while, been experimenting with E-paper displays with phones like the Hisense A2 and Yota’s Yotaphone 1 and 2 implementing an e-paper based display as a secondary screen. While the use of e-paper displays brought advantages like extended battery life, and reduced pressure on the eyes in bright lights, for phones like
5.84″ INCH E-PAPER ANDROID SMARTPHONE PROMISES UP TO 10-DAY BATTERY LIFE Continue Reading
I made an RGB pumpkin wall light, which can be controlled by a smartphone via Bluetooth, it has different modes and different colors so you can choose the color of the light according to your mode. Description Halloween is about to come and already all are doing their preparations, in my previous project I made
Bluetooth Controlled RGB LED LAMP Continue Reading
This WiFi Smart Oximeter helps you scan Spo2 and BPM using MAX30102 and ESP32 and display the values on the Smartphone Step 1: In this tutorial, I will explain how to build your own WiFi Based Smart Oximeter using MAX30102 and ESP32 in detail. The project is simple and easy to build. You only need
How to Build a DIY WiFi Smart Oximeter Using MAX30102 and Arduino ESP32 Continue Reading
The L3G462A is a low-power 3-axis angular rate sensor. It includes a sensing element and an IC interface able to provide the measured angular rate to the external world through three analog outputs. The sensing element is manufactured using a dedicated micromachining process developed by ST to produce inertial sensors and actuators on silicon wafers.
ST cuts size of smartphone gyro chip Continue Reading
The Internet of Things (IoT) as a concept is not new, but while our phones and our televisions got smarter over the last few years, our homes haven’t changed as much. There are now a growing number of IoT startups in India, such as connected-car accessory-make CarIQ, and smart-bulb maker Cube26, but does using such devices actually
SELPIC 1+ is a palm-sized handheld Inkjet printer that is currently on a Kickstarter fundraiser campaign well exceeding its targeted goal. This printer allows the user to print on any surface and any material. It can print any text, image, QR code, barcode by simply moving the device across the printing surface. The printing surface can be anything such as paper,
SELPIC S1+ THE HANDHELD, ANY-SURFACE QUICK PRINTING SOLUTION Continue Reading
[Mr Innovative] decided to make his version of a small pen plotter (video after the break) to make labels on masking tape. The result is an impressive compact machine that is remotely controlled using your smartphone. The plotter is constructed using several different techniques, a piece of plywood as the base, a 3D printed bracket for the
MASKING TAPE PEN PLOTTER GETS AN UPGRADE Continue Reading
Description The LM49251 is a fully integrated audio subsystem designed for portable handheld applications such as cellular phones. Part of TI’s PowerWise family of products, the LM49251 utilizes a high efficiency class G headphone amplifier topology as well as a high efficiency class D loudspeaker. The headphone amplifiers feature TI’s class G ground referenced architecture
Smartphone with Class G amp runs on 7mA audio chip Continue Reading
Mobile photography is fast growing beyond a hobby or a way for people to capture important moments. Thanks to the week-on-week breakthroughs and improvements being made on the camera by the phone manufacturers, it is now becoming a mainstream method of documenting visual information, with both professionals (from Journalists to Magazine Photographers) and Semi-professionals (like
TURN YOUR SMARTPHONE TO A DSLR WITH THE PICTAR PRO Continue Reading
