Designing a simple and cheap temperature logger
McuUSB

Designing a simple and cheap temperature logger

pickandplace.wordpress.com writes: I started with making the TMP102 temperature sensor work. Nothing to say in particular, it’s just an other I2C-small-package-sensor. Or rather SMBus, but apart from the minimum speed clock requirements on the SMBus, the two protocols are...

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PCB X-mas tree
LedMcu

PCB X-mas tree

Matthias created a X-Mas tree project using the DirtyPCB boards from dangerousprotorypes.com : The project features an USB capable PIC16F1549 µC with: USB FS device 48 MHz internal Oscillator 2 PWM modules 10-bit ADC with Voltage Reference Integrated Temperature...

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30 Minutes HIV Detection Using USB Stick
ScienceUSB

30 Minutes HIV Detection Using USB Stick

In partnership with DNA Electronics,  Imperial College London researchers had developed a revolutionary USB stick that can detect HIV in the bloodstream. In order to detect the virus, it’s enough to use a drop of blood. Then the USB stick generates an electrical signal that can be...

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Single-chip USB-C buck-boost battery charger
IC

Single-chip USB-C buck-boost battery charger

Intersil's ISL9238 and ISL9238A add 5V-20V reverse boost for USB On-The-Go charging of portables such as smartphones and headphones; two USB-C buck-boost battery chargers support bidirectional power delivery in ultrabooks, tablets, power banks and other mobile products. by Graham...

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Programming ESP8266 With Arduino IDE : The Easy Way
Arduino

Programming ESP8266 With Arduino IDE : The Easy Way

The ESP8266 WiFi Module is a self-contained SOC that can give any microcontroller access to your WiFi network. It's an extremely cost-effective board with a huge and ever-growing community. Each ESP8266 module comes pre-programmed with an AT command set firmware. This module has a...

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DueProLogic – USB-CPLD Development System
MiscellaneousUSB

DueProLogic – USB-CPLD Development System

The DueProLogic is a complete FPGA Development System designed to easily get the user started learning and creating projects. The DueProLogic makes programmable logic easy with an all inclusive development platform. It includes an Altera Cyclone IV FPGA, on board programming, four...

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UsbSafe² – Programmable dongle for protecting USB devices from USB hosts and chargers
USB

UsbSafe² – Programmable dongle for protecting USB devices from USB hosts and chargers

USB connections can transfer both information and power. UsbSafe² is a device for protecting USB-connected hardware from both excessive voltage, current and unauthorized data access. Unfortunately, the practice of “juice jacking” (accessing data from a device connected to a...

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DIY USB 5V Solar Power Bank
Power

DIY USB 5V Solar Power Bank

Abdulgafur tipped us with his latest project, a 5V solar powered power bank. The circuit consists of two stages, the first stage is the battery charger stage based on MCP73831 and the second stage is the step up converter based on LT1302-5 which converts the battery voltage to...

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