![Staff with Click Sound and Obstacle Alarm Staff with Click Sound and Obstacle Alarm](https://www.electronics-lab.com/wp-content/uploads/2016/02/177900-4.png)
Staff with Click Sound and Obstacle Alarm
People who are visually impaired usually use a staff to guide them as they walk. They tap with their staff to know if an obstacle is present around. Others use the echolocation technique. They produce a clicking sound through their tongue, foot, and fingers and through this they...
Continue Reading![AC Solid state Relay for Inductive Load AC Solid state Relay for Inductive Load](https://www.electronics-lab.com/wp-content/uploads/2016/02/M015_W.jpg)
AC Solid state Relay for Inductive Load
AC Solid state Relay for Inductive Load offers simple On/Off type Switch Control with TTL compatible input signal. Input signal : 2 ~ 5 VDC, TTL compatible Output : up to 500 W Mains supply input 230 VAC or 110 VAC Optically isolated Triac based design Power...
Continue Reading![Atmega32u4 Breakout Board Tutorial Atmega32u4 Breakout Board Tutorial](https://www.electronics-lab.com/wp-content/uploads/2016/02/microcontrollers_296-01-e1455099516376.jpg)
Atmega32u4 Breakout Board Tutorial
adafruit.com has published a new tutorial for their Atmega32u4 breakout board. It discuss on how to use it with AVRdude and how to setup and use it with Arduino IDE. We like the AVR 8-bit family and were excited to see Atmel upgrade the series with a USB core. Having USB built in...
Continue Reading![Quick Arduino Hygrometer with OLED display Quick Arduino Hygrometer with OLED display](https://www.electronics-lab.com/wp-content/uploads/2016/02/F8FMZUCIKA08IN2.LARGE_-1024x576.jpg)
Quick Arduino Hygrometer with OLED display
jazzycamel @ instructables.com has published an Arduino based Hydrometer with OLED display. It uses an Arduino Leonardo Pro Micro, an Adafruit SSD1306 OLED display and DHT11 digital temperature and humidity sensor. We have been having some condensation and mould issues in our...
Continue Reading![Starling – WiFi enabled LED Display Starling – WiFi enabled LED Display](https://www.electronics-lab.com/wp-content/uploads/2016/02/starling.png)
Starling – WiFi enabled LED Display
Starling is a modular, Open Source LED display with WiFi connectivity. It comes with a mobile app for easy configuration and usage and has hardware support for Bluetooth. The LED matrix is driven by an Atmega8 microcontroller (MCU), instead of a standard ASIC. This provides a lot of...
Continue Reading![OpenSource Arduino OLED Clock with temperature measurement OpenSource Arduino OLED Clock with temperature measurement](https://www.electronics-lab.com/wp-content/uploads/2016/02/FV5SWCWIK7C0GUO.LARGE_-1024x768.jpg)
OpenSource Arduino OLED Clock with temperature measurement
Konstantin Dimitrov has published his Arduino OLED clock which uses DS1307 real time clock module and TMP102 temperature sensor that communicate through I2C. This clock will not only show you exact time and date but also it will show you the ambient temperature in both Fahrenheit...
Continue Reading![Wi-Fi and OLED Upgrade for MightyOhm Geiger Counter Wi-Fi and OLED Upgrade for MightyOhm Geiger Counter](https://www.electronics-lab.com/wp-content/uploads/2016/02/wifioledmod-1024x768.jpg)
Wi-Fi and OLED Upgrade for MightyOhm Geiger Counter
Dan Watson @ syncchannel.blogspot.com wanted to have more fun with his MightyOhm Geiger Counter so decided to add an OLED display and Wifi capability to it. To achieve that he modified the counter, added a Feather HUZZAH ESP8266 with OLED FeatherWing and wrote some code. The process...
Continue Reading![Home Built Bench Power Supply using ATMEGA328P Home Built Bench Power Supply using ATMEGA328P](https://www.electronics-lab.com/wp-content/uploads/2016/02/PSUfront.jpg)
Home Built Bench Power Supply using ATMEGA328P
ianjohnston.com has designed a nice power supply based on ATMEGA328P and Arduino bootloader. The output is dual channel 0-24vdc @ 3A each, with preset constant current and independant voltage/current control. This isn't a full design blog but I've tried to document/add stuff as I...
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