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Digitální hodiny s ATmega8

https://ok1kvk.cz/clanek/2010/digitalni-hodiny-s-atmega8/

Radio satelite for the european finals of CanSat competition held by European Space Agency ESA developed by team from radioclubs OK1RAJ and OK1KVK.

Vánoční LED stromeček s ATmega8

Univerzální plošný spoj v1.0

Projekt laboratorního zdroje

Wide frequency range universal low noise amplifier with PGA103

Development board for the couple PGA103+ for 144 MHz band.

Low Noise Amplifier for 144 MHz band with couple PGA-103 and band filters.

Digital step attenuator 50Ω, 0 to 31 dB, 1.0 dB step for VHF and UHF use

Interface pro ovládání projektoru BenQ MP622c po RS232

144 MHz band 6 port antenna switch for amateur radio contest station OL7C

WiFi Relay with ESP8266 chip

Digitální teploměr s ATmega8 https://www.ok1kvk.cz/clanek/2012/teplomer-s-atmega8/

Serial server for DSerial written in C/C++

Reduction for Atmel ICe

Zesilovač pro měření napětí na termočlánku

1M Ohm input adapter is used with high impedance probes for circuit signal analysis using network and spectrum analyzers with 50 Ohm input.