The tiny Arduino IDE ready, usb and mobile dev board and ecosystem – cheap enough to leave in any project! Wi-fi, BLE, and 25+ shields! Missed out? Pre-Orders! Did you miss out on this Kickstarter – Don’t Worry! You can preorder a Digispark Pro at http://digistump.com/getpro Thank You! Thank you to our amazing backers! This […]
Digispark Pro – tiny, Arduino ready, mobile & usb dev board! Continue Reading
Control your Arduino with voice commands using an Android smartphone! Before we make a voice activated home automation system, we must first learn the basic principles of the experiment. This guide will let you command the Arduino using your Android smartphone and a HC-05 Bluetooth module. The designer of the app did not include a
Voice Activated Arduino (Bluetooth + Android) Continue Reading
LTC4121/LTC4121-4.2 – 40V 400mA Synchronous Step-Down Battery Charger Features Wide Input Voltage Range: 4.4V to 40V Adjustable Float Voltage (3.5V to 18V): LTC4121 Temperature Compensated Input Voltage Regulation for Maximum Power Point Tracking (MPPT) Fixed 4.2V Float Voltage Option: LTC4121-4.2 High Efficiency: Up to 95% 50mA to 400mA Programmable Charge Current ±1% Feedback Voltage Accuracy Programmable 5%
LTC4121/LTC4121- 4.2 – 40V 400mA Synchronous Step-Down Battery Charger Continue Reading
This is an example to show how to get sensor data from a remote Arduino via Wireless Lora Protocol. The exampels requries below hardwares: 1) Client Side: Arduino + Lora Shield (868Mhz) + DS18B20 (Temperature Sensor). 2) Server Side: Arduino + Lora Shield (868Mhz) + Yun Shield + USB flash. make sure the USB
How to get sensor data from a remote Arduino via Wireless Lora Protocol Continue Reading
Today I made a high frequency multiplier using a single component: the ICS501 PLL clock multiplier IC. This chip provides 2x, 5x, 8x (and more) clock multiplication using an internal phased-lock loop (PLL). At less than a dollar on eBay, $1.55 on mouser, and $0.67 on Digikey, they don’t break the bank and I’m glad I have a few in my
With the host of protocols available in electronics interfaces, choosing a protocol is a hard job. Some protocols are designed for long distance and reliable communication applications such as RS-485. Others are used for low cost and short range communication such as I2C, and so on. The backbone car’s network is the Controller Area Network
LIN Protocol — One Wire Protocol for Automotive Applications Continue Reading
Imagine that you wanted to take a picture of a very small object and you still need to zoom in as much as possible to get the smallest detail of the picture. If you have been at this stop before, then you obviously did not try taking the whole picture at once. You must have
LADYBUG: THE HIGH-QUALITY MOTORIZED MICROSCOPE AND 3D SCANNER Continue Reading
Duane Bester has built a GPS Tracker From Scratch Using 3 Arduino boards to make a GPS tracker and a data logger. A flash of idea came to him, to combine the new Arduino Nano 33 BLE Sense with an SD card and GPS module for a project that records GPS and IMU data. So he opted to
DIY GPS TRACKER FEATURES THREE ARDUINO BOARDS Continue Reading
One growing trend across the embedded systems development world is the development of boards, Microcontrollers, and general development platforms, that aim to be more inclusive, with respect to supporting other programming languages asides the traditional C/C++ that are synonymous with embedded development. From boards like the Espruino which supports Javascripts out of the box, these boards reduce the embedded system barrier
WORLD’S FIRST DEVELOPMENT BOARD BASED ON THE SWIFT PROGRAMMING LANGUAGE Continue Reading
This is a DC-DC step-up converter based on LM2585-ADJ regulator manufactured by Texas Instruments. This IC was chosen for its simplicity of use, requiring minimal external components and for its ability to control the output voltage by defining the feedback resistors (R1,R2). NPN switching/power transistor is integrated inside the regulator and is able to withstand 3A maximum
12V TO 24V @ 1A STEP-UP SWITCHING REGULATOR USING LM2585 Continue Reading
