Arduino Intro and Homebrew Hakko 907
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What Are the Differences Between Raspberry Pi and Arduino?
Arduino hails from Italy, and it’s said that it was named after a bar where the developers usually meet to discuss the board. The first Arduino was developed in 2005 and aimed to provide students at Interaction Design Institute Ivrea in Italy with an inexpensive microcontroller board. Its cost and simplicity also piqued the interests of hobbyists and professionals; it wasn’t long until it reached a wider community of makers. Many other varieties of Arduino boards have been created since then. In 2013, around 700,000 Arduino boards were already sold [1].
Raspberry Pi was born seven years after Arduino when Eben Upton invented a low-cost, modular, the single-board computer that will help improve the programming skills of his students. Like Arduino, it soon reached a wider audience due to its cost and versatility. The first Raspberry Pi board cost only $35, far less expensive than the existing computer boards that usually cost five times higher. The small board got even smaller and cheaper after the Raspberry Pi Foundation created the Raspberry Pi Zero, the smallest Raspberry Pi board to date, which costs only $5. Raspberry Pi progressed rapidly that millions of boards were already created from the initial target of just 10,000 boards years after its first release.
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Arduino Blog » Homebrew Hakko 907 digital soldering station
If you want to upgrade your soldering setup without spending a lot of money, then be sure to check out Angelo AKA TechBuilder’s DIY Hakko 907 station.
This low-cost device features an Arduino Nano to read the iron temperature via an LM358 op-amp, and regulates power to the handle and tip under PWM control using an IRFZ44N MOSFET. A potentiometer is implemented as a variable temperature knob, with the actual and preset temperature displayed on a 16×2 LCD screen, while an LED indicates whether the heating element is active.
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