Witty Pi 3 offers RTC clock and powers your Raspberry Pi from a battery
Raspberry Pi

Witty Pi 3 offers RTC clock and powers your Raspberry Pi from a battery

Witty Pi 3 is the third generation of Witty Pi, and it is a descendant of Witty Pi 2. UUGear, popular for its add-on boards, has launched a new version of their Witty Pi board for the Raspberry Pi. According to the company, the Witty Pi 3 incorporates an RTC and power management...

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I2C GPS Module with NMEA decoding
GPS

I2C GPS Module with NMEA decoding

David Johnson-Davies designed a GPS module that decodes the NMEA sentences on ATtiny841, and this also runs the I2C slave routine. He writes: This is a compact GPS module with an I2C interface, making it easy to read the GPS parameters from another project without needing to worry...

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I2C GPS Module along with ATtiny841
Mcu

I2C GPS Module along with ATtiny841

This project describes a simple GPS module which you can interface to via I2C. It uses an ATtiny841. David Johnson-Davies writes: Incorporating GPS into a project is quite daunting. First you have to parse the NMEA sentences from the GPS module you're using, and then if you're doing...

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Temperature alarm for boiling milk
McuTest/Measurements

Temperature alarm for boiling milk

Domen Ipavec shares his temperature alarm for boiling milk. Temperature alarm uses an Atmel attiny841 microcontroller, DS18B20 high temperature waterproof temperature sensor from adafruit, 2x16 HD44780 LCD and a buzzer to do its job. Anyone who has ever boiled milk on the stove...

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