Norman – Arduino Library for climatic simulation of natural daylight, temperature, and humidity cycles
Arduino

Norman – Arduino Library for climatic simulation of natural daylight, temperature, and humidity cycles

Norman is a climatic simulation library designed to run on an Arduino Uno for indoor and greenhouse automation projects. Arduino Library for mathematical climatic simulation of natural daylight, temperature, and humidity cycles using minimal data sets. Given a set of parameters for a...

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nanoSplatch™ nSP250 Embedded WiFi/WLAN Antenna
RF

nanoSplatch™ nSP250 Embedded WiFi/WLAN Antenna

The nanoSplatch™ nSP250 is a surface-mount antenna for embedded WiFi/WLAN and other 2.4 GHz or 5.8 GHz ISM or U-NII frequency band applications. It uses a grounded-line technique to achieve outstanding performance in a tiny surface-mount package. The nSP250 exhibits low...

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Build a Cluster Computer using 7x Raspberry Pi Compute Modules
Raspberry Pi

Build a Cluster Computer using 7x Raspberry Pi Compute Modules

In the spirit of cluster computing, the Turing Pi Clusterboard brings another dimension in the world of cluster computing for makers and hackers. The Pimoroni’s Cluster HAT gave us the power to connect up to 4 Raspberry Pi Zeros to create a cluster computer, the MiniNodes' 5 Node...

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APP NOTE: Digital potentiometer to control LED brightness
Led

APP NOTE: Digital potentiometer to control LED brightness

Controlling LED brightness through digital potentiometer and a LED driver from ON Semiconductor. Light-emitting diodes (LEDs) require a regulated current, and their brightness is proportional to the current that flows through them. Some LED drivers use an external resistor to set the...

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6CY7 dual triode valve amplifier
Audio

6CY7 dual triode valve amplifier

Josh built this 6CY7 dual triode valve amplifier: I’ve always wanted to know what the “tube magic” was all about. There is much opinion in the science of music production, probably because music and its perception is highly personal and subjective. Ive always imagined that since...

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TinyLED 7-Segment Displays
Led

TinyLED 7-Segment Displays

I've seen a few other people experimenting with making custom LED displays using discrete LEDs so I thought I'd like to take my own stab at it. by sjm4306 @ hackaday.io TinyLED 7-Segment Displays -...

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Cluster HAT – Cluster Computing Made Easy Using 4 Raspberry Pi Zero
Raspberry Pi

Cluster HAT – Cluster Computing Made Easy Using 4 Raspberry Pi Zero

Cluster Computing brings the power of multiple computing units to serve one single purpose. If you are looking for some performance boost and you got yourself some freely available computing units, cluster computing might be what you need. Unfortunately, building yourself one is not that...

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The Cheapest and Simplest Pulse Counter
Mcu

The Cheapest and Simplest Pulse Counter

This counter is made only from an ATtiny13 and LED diodes. Did you ever need a cheap and simple (with one digit only) pulse counter? This is the maximum optimization and simplification. Thanks to Charlie Allen. The Cheapest and Simplest Pulse Counter -...

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