ESP12e + OLED display – a try to make a smartwatch
https://www.electronics-lab.com/esp12e-oled-try-to-make-a-smartwatch/
morethanuser.blogspot.com has been trying to make a smartwatch based on ESP12e and they document their efforts. Esp12e is configured as an access point and the “watch” is able to show some usefull information, but it’s not a complete watch yet. I does not have any fancy features like mp3 player, accelerometer, gps .., it’s an […]
BeagleCore Schematics and Gerbers Released
https://www.electronics-lab.com/beaglecore-schematics-and-gerbers-released/
BEAGLECORE™ is licenced under Creative Commons (CC-BY-SA). They have published a ZIP-file containing all relevant information on footprint, schematics, BOM and many more for BEAGLECORE™ BCM1 & BCS1 Miniaturized computer module for industrial or commercial applications covering all core features of BeagleBone Black. Design your own embedded device with this System on a Chip (SOC). […]
ST TS951 – 3 MHz BiCMOS R2R OPAMP
https://www.electronics-lab.com/st-ts951-3-mhz-bicmos-r2r-opamp/
A new 3 MHz BiCMOS Die Shot from zeptobars.com ST TS951 – 3 MHz BiCMOS R2R OPAMP – [Link]
Espruino: JavaScript for Things
https://www.electronics-lab.com/espruino-javascript-for-things/
Espruino is the world’s first JavaScript microcontroller. With it you are able to develop intelligent devices quickly and easily. Espruino is a small computer that anyone can use to control things around them. Its JavaScript interpreter gives you instant feedback so that you can experiment and develop whatever your level of experience. Even if you can’t […]
Testing DRAM Using an Arduino
https://www.electronics-lab.com/testing-dram-using-an-arduino/
Chris @ insentricity.com wanted to test a few dozen individual RAM chips so he decided to use Arduino to make his life a little bit easier. In the article he explains the interface with Arduino and gives the code on github. My first thought was to test the chips in the TL866CS, but it doesn’t support […]
Piezoelectric motor demo
https://www.electronics-lab.com/piezoelectric-motor-demo/
Quick demonstration of a piezoelectric motor from www.pcbmotor.com Piezoelectric motor demo – [Link]
Li-Fi – 200 Gbps via your room light
https://www.electronics-lab.com/li-fi-200-gbps-via-your-room-light/
Thijs Beckers @ elektormagazine.com has some great news about the Li-Fi technology: The French company Oledcomm displayed its technology at the Mobile World Congress in Barcelona (22-25 Feb 2016), where a smart phone is connected to the Internet using only an LED lamp, which reaches a connection speed that is a 100 times faster than the […]
OpenGarage – Open-source WiFi garage door opener
https://www.electronics-lab.com/opengarage-an-open-source-wifi-garage-door-opener/
Ray Wang has published a new project called OpenGarage, an open-source garage door opener based on ESP8266 and the Blynk app: Today I am very excited to introduce you to OpenGarage — an open-source, universal garage door opener built using the ESP8266 WiFi chip and the Blynk app. I’ve wanted to finish this project for […]
nRF24L01+ 2.4 GHz wireless connectivity with the TinyK20 board
https://www.electronics-lab.com/nrf24l01-2-4-ghz-wireless-connectivity-with-the-tinyk20-board/
Erich Styger show us how to connect nRF24L01+ transceiver module with tinyK20 Board and how to use the command line to communicate with it. He writes: I’m using the tiny and inexpensive Nordic Semiconductor nRF24L01+ transceiver (see “Tutorial: Nordic Semiconductor nRF24L01+ with the Freescale FRDM-K64F Board“) in many projects: it costs less than $3 and allows […]
1.2V to 37V Regulated Power Supply – 1.2A
https://www.electronics-lab.com/1-2v-to-37v-regulated-power-supply-1-2a/
This project provides a variable output power supply ranging from 1.2 to 37 V @ 1.5 A. Uses industry populer LM317 in TO3 package for delivering variable output voltage. Specifications Input 40 VDC or 28V AC 2Amps Output : 1.2 to 37 V @ 1.5 A regulated low ripple DC voltage Heatsink for regulator IC […]