Build a generator-powered LED headlight for a longboard for very cheap.
Build a generator-powered LED headlight for a longboard for very cheap.
In this article we will take a closer look at how to effectively low-pass filter a PWM signal into an analog voltage.
In this article we will take a closer look at how to effectively low-pass filter a PWM signal into an analog voltage.
Use DS3231M RTC alarm functions to make programmable, time-based, switches to power devices on and off at precise times.
Use DS3231M RTC alarm functions to make programmable, time-based, switches to power devices on and off at precise times.
Build a simple solar powered battery charger for Ni-MH batteries.
Build a simple solar powered battery charger for Ni-MH batteries.
Over-voltage and over-current protection circuit for use with the C-BISCUIT platform's main computer, the Wandboard.
Over-voltage and over-current protection circuit for use with the C-BISCUIT platform's main computer, the Wandboard.
Design and theory behind the 5V-3A buck regulator based on the LM25575 to be used in the C-BISCUIT robot project.
Design and theory behind the 5V-3A buck regulator based on the LM25575 to be used in the C-BISCUIT robot project.
In this project, Jason Poel Smith builds a battery backup system that you can use for small electronics to make sure that…
In this project, Jason Poel Smith builds a battery backup system that you can use for small electronics to make sure that they never lose power.
In this project, we use an Arduino and an attached charging circuit to control the charging of NiMH rechargeable batteries.
In this project, we use an Arduino and an attached charging circuit to control the charging of NiMH rechargeable batteries.
There are all sorts of batteries out there- this short overview will help you find the right one!
There are all sorts of batteries out there- this short overview will help you find the right one!
The buck converter is a ubiquitous DC-DC converter that efficiently converts a high voltage to a low voltage efficiently.…
The buck converter is a ubiquitous DC-DC converter that efficiently converts a high voltage to a low voltage efficiently. Efficient power conversion extends battery life, reduces heat, and allows for smaller gadgets to be built. The buck converter can be used in lots of cool applications.
The boost converter is a DC-DC converter used to created an output voltage that is higher than the input voltage. Boost…
The boost converter is a DC-DC converter used to created an output voltage that is higher than the input voltage. Boost converters are also used to drive LEDs placed in series in products like LED flashlights. The boost converter suffers from vulnerability to a short circuit load. Learn how to protect them from shorts!
Part two of a series of articles on building a robot that can follow lines or walls and avoid obstacles! This time we'll…
Part two of a series of articles on building a robot that can follow lines or walls and avoid obstacles! This time we'll be covering PCB design.
Part one of a series of articles on building a robot that can follow lines or walls and avoid obstacles!
Part one of a series of articles on building a robot that can follow lines or walls and avoid obstacles!
Two evaluation boards from IDT help you to quickly and conveniently integrate wireless power into your designs.
Two evaluation boards from IDT help you to quickly and conveniently integrate wireless power into your designs.
Proper component selection and careful PCB layout are integral to power supply bypassing.
Proper component selection and careful PCB layout are integral to power supply bypassing.
A thorough understanding of bypass capacitors will help you to properly incorporate these critical components into your designs.
A thorough understanding of bypass capacitors will help you to properly incorporate these critical components into your designs.
Adding variable speed control and battery monitoring to a Power Wheels truck!
Adding variable speed control and battery monitoring to a Power Wheels truck!
ZigBee, Bluetooth and the newer Bluetooth Low Energy (BLE/Smart) are all communication protocols for Wireless Personal…
ZigBee, Bluetooth and the newer Bluetooth Low Energy (BLE/Smart) are all communication protocols for Wireless Personal Area Networks (WPANs), but they are optimized for different applications.
An introduction to the properties and purposes of a negative resistance device. Later articles will extend to negative…
An introduction to the properties and purposes of a negative resistance device. Later articles will extend to negative impedances and some applications.
An introduction to the SiLabs EFM8 microcontrollers and related development tools.
An introduction to the SiLabs EFM8 microcontrollers and related development tools.
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