Hardware

KIS-3R33 calculator

Half year ago i wanted to get  in car  PSU to charge my smartphone or to power devices like camcoder. I wanted to build powerful  power supply, first i tried to build it on chip NCP3155, but has failed. I lurking around to find another chip and found complete module KIS-3R33 based on MP2307 chip. […]

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STM32 performance test or how fast you can serve input signal

Finally, i decided to try stm32, before i wrote firmwares only for AVR mega family (from now, when i say AVR MCU, i mean AVR mega family MCU), and was scared by tonns of code that you need for simply led blinking on STM32 MCU. Now i can say, that programming of STM32 not so […]

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Pulseview compilation

Half year ago i wanted to make device that can be used to clone ski pass. I thought that ski passes use RFID 125kHz. First i bought itead module RDM6300 but it turned out that it can only read tags, so i bought  EM4095 chip. At this time i also noticed, that most ski passes […]

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Arduino keyManager

Few months ago i started to developing iron for waxing my snowboard. Last season i bought regular iron and used it, but it can set temperature only in wide range, did not have overheat protection and can melt the base of the board. In university i learned of 8bit avr mcu, but all firmwares that […]

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