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. …
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 …
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
Before smartphones exploded on the scene in the late 00s, there was still a reasonable demand for pocket-sized computers that could do relatively simple computing tasks. Palm Pilots and other PDAs (Personal Digital Assistants) were all the rage in the ’90s and early ’00s, although for cutting-edge tech from that era plenty of these devices …
Dialog Semiconductor has announced both the DA14531, Bluetooth 5.1 SoC, and the DA14531 module, to simplify Bluetooth product development and enable wider adoption. The chip, also known as SmartBond Tiny, is specifically designed to lower the costs of incorporating BLE functionality in an application, joining the industry’s desire to propel IoT towards a positive future. This arrives at the appropriate …
Description The LM49155 is a fully integrated audio subsystem designed for portable handheld applications such as cellular phones. The LM49155 combines a Noise Suppression microphone amplifier, a 1.35W mono class D amplifier with ALC, class AB earpiece driver with AGC, a high efficiency, stereo, ground referenced headphone amplifier with click pop suppression and I …
