Whoa Board: Dream With Touch Sensing EL Wire, Panels, Paint
Arduino

Whoa Board: Dream With Touch Sensing EL Wire, Panels, Paint

The Whoa Board makes things glow. It also makes glow-y things sense touch. It's an open prototyping platform for wearable electronics! Turn any EL (Electro-Luminescient) material into a touch sensor with no additional hardware. It's an open prototyping platform for wearable...

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ElbSupply – Linear Bench Power Supply With Constant Current and Voltage Modes
Power supply

ElbSupply – Linear Bench Power Supply With Constant Current and Voltage Modes

A lot of power supply designs are here and there on the Internet, but not all of them have constant current and voltage modes. You can read the following Q&A in electronics.stackexchange to learn what constant current and voltage modes mean. Elia over Hackaday.io built a linear...

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DIY USB to TTL Converter
USB

DIY USB to TTL Converter

ams31 @ instructables.com show us how to build a DIY USB to TTL Converter using CH340G IC. Lots of USB to TTL modules are available in the market based on various chips like PL2303, FT232, CP2102 and CH340g. I have decided to use CH340g IC. Low costing clones of Arduino UNO &...

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25V, 600 mA buck-boost DC/DC with 1.6 µA Iq
IC

25V, 600 mA buck-boost DC/DC with 1.6 µA Iq

LTC3130 and LTC3130-1 are synchronous current mode buck-boost converters that deliver up to 600 mA of continuous output current from a wide variety of input sources, including single- or multiple-cell batteries as well as solar panels and supercapacitors. By Graham Prophet @...

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Drone The Quadcopter
Robots

Drone The Quadcopter

Sameer Gupta tipped us with his latest project, a DIY Quadcopter: "Drone The Quadcopter" is an featured UAV. I design my project with F450 arm in X-mode design. The full operation takes place via a Flysky FSCT6 remote control unit which gives a better operating range of 800 Meter to...

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Everything You Need To Know About Bluetooth beacons in A White Paper
McuRFTechnology

Everything You Need To Know About Bluetooth beacons in A White Paper

Bluetooth 4.0 introduced the Bluetooth low energy (BLE), which is a version of Bluetooth protocol designed for devices with power constraints like battery powered sensors. Bluetooth low energy beacons are BLE (Bluetooth Low Energy) enabled devices, they repeatedly broadcast radio...

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How to compare your circuit requirements to active-filter approximations
Miscellaneous

How to compare your circuit requirements to active-filter approximations

By Bonnie C. Baker (WEBENCH® Senior Applications Engineer): Numerous filter approximations, such as Butterworth, Bessel, and Chebyshev, are available in popular filter software applications; however, it can be time consuming to select the right option for your system. So how do...

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RFM69 WIFI Gateway
Mcu

RFM69 WIFI Gateway

The RFM69GW is a RFM69 to MQTT gateway that uses the ubiquitous ESP8266 chip. There are two or three similar projects that I'm aware of but I've put together some hardware and firmware features that make it different. by Xose Pérez: I'm using Felix Rusu's RFM69_ATC library so it...

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