Author: mixos
ATtiny85 Light Sensor – I2C slave device
Paweł Spychalski build a photoresistor based daylight meter sensor connected via I2C bus using ATtiny85: I love AVR ATtinyx5 series microcontrollers. They are cheap, easy to use, they can be programmed just like Arduinos and comparing to their size they offer great features. For...
Continue ReadingRegulator offers independent outputs
Susan Nordyk @ edn.com writes: Housed in a 15×9×2.42-mm over-molded BGA package, the LTM8049 µModule dual-output DC/DC converter from Linear Technology is configurable for a combination of SEPIC and/or inverting operation by simply grounding the appropriate output rail. All that...
Continue ReadingProgram AVR Using Arduino the easy way
rik @ riktronics.wordpress.com show us how to program AVR microcontrollers using an Arduino board. Advanced hobbyists like me (and you, of course 😉) love to play with microcontroller. And the most famous microcontrollers for beginners are AVR series from Atmel™. Almost...
Continue ReadingLC709501F – Li-ion, intelligent charge controller for next-generation power banks
by Graham Prophet @ edn-europe.com: ON Semiconductor has introduced a highly integrated single chip power bank charge controller for the development of next generation Li-Ion powered products. The LC709501F provides broad power and voltage/current output range of 5V, 9V and 12V...
Continue Reading433MHz wireless module configuration
Dziku discuss how to configure a cheap 433MHz wireless module for serial communication: HC-12 are cheap 433MHz wireless serial port communication modules with a range up to 1800m in open space. Each costs about $5 when bought from China, and 2 of them can create wireless UART link...
Continue ReadingAttiny2313 & Attiny84 V-USB Media Volume Control
Rupert Hirst shares his thoughts on creating a V-USB based media volume control: Although you may think a rotary encoder is just a rotary encoder, when selecting one for a specific purpose such as a volume knob, the feel and quality can play a large part in your design decision....
Continue ReadingA first look at Sense Hat add-on board for the Raspberry Pi
educ8s.tv uploaded a new video on Raspberry Pi Sense Hat Tutorial: Dear friends, in this tutorial we are going to take a first look at the impressive Sense Hat add-on board for the Raspberry Pi. It was developed for the Astro Pi mission and 2 of these boards are deployed to the...
Continue ReadingIntroducing the BMP180 barometric sensor
A how-to on using the BMP180 barometric sensor with the Arduino @ Random Nerd Tutorials: The BMP180 barometric sensor (model GY-68) is the one in the following figure (front and back view). It is a very small module with 1mm x 1.1mm (0.039in x 0.043in). It measures the absolute...
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