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Anyone can become a short-wave player after passing the appropriate exam, but first he should get acquainted with this hobby to assess whether this topic really interests her. Polish radio players can usually be heard in the 80 and 40m ranges. The farthest stations (already rarely Polish-speaking) will be heard in the 20m range. It is worth building a multi-band HF listening receiver, because depending on the time of the day and the year, as well as variable propagation conditions, we will not always hear something, having access to only one band.
The system is characterized by good electrical parameters and a small number of required external components. Receiver STAS, works in a classic superheterodyne system with a single frequency transformation from ff. 4.43MHz. The device uses two popular MC3362 and LM386 integrated circuits. The number of elements, including LC circuits, has been limited to the necessary minimum.
Project AVT 3230 EdW 08/18
Manufacturer AVT SPV Sp. z o.o. Leszczynowa 11 03-197 Warszawa Poland zamowienia@avt.pl
Responsible person AVT SPV Sp. z o.o. Leszczynowa 11 03-197 Warszawa Poland zamowienia@avt.pl
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Simon Monk
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Two-wheeled robot remotely controlled via Bluetooth. The structure is made of laser cut wood and is based on the Romeo BLE mini controller. For self-assembly. DFRobot ROB0139
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The ICE40HX1K-STICK-EVN is an easy to use, small size board that allows rapid prototyping of system functions at a very low cost using iCE40 FPGA. This board has a high performance, low power iCE40HX1K FPGA onboard and has a USB thumb drive form factor.
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EEE 802.11ac/a/b/g/n WLAN module with on-board 2.4Ghz and 5Ghz Dual band antenna. WiFi Module 5
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Global Shutter Monochromatic camera with the high speed up to 160 frames-per-second at the 320 x 240 resolution, UVC compliance and changeable standard M12 lens
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Adapter which provides the mounting of Odroid oCam cameras series to the standard photographic tripods
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The HiFi Shield Plus provides both stereo RCA connectors to connect to external amplifiers and other audio equipment. Via TI\'s high-end PCM5242 DAC chip (Burr-Brown), it supports 16, 24, 32 bit audio formats with minimal THD+N ratio 0.002% and ideal dynamics 114dB+ plus amazing sampling rates of 384kHz
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The HiFi Shield Plus provides both stereo RCA connectors and a 3.5mm stereo jack (all gold-plated) to connect to external amplifiers and other audio equipment. Via TI\'s high-end PCM5102 DAC chip (Burr-Brown) it supports 16, 24, 32 bit audio formats with minimal distortion -93dB and ideal dynamics 110dB+ plus amazing sampling rates of 384kHz
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Webduino Smart is a ground-breaking development board which can function with the Internet and WebSocket independantly. It will be a path to lead an efficient and effective development of IoT
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LinkItTM Smart 7688 Duo (a compact controller board) is an open development board based on MT7688 and ATmega32u4. The board is compatible with Arduino Yun sketches and is based on the OpenWrt Linux distribution. Seeed Studio 102110017
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32-bit microcontroller with ARM Cortex-M0 core, XMC1200, 32kB Flash, VQFN24, Infineon
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32-bit microcontroller with ARM Cortex-M0 core, XMC1200, 32kB Flash, TSSOP-28, Infineon
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Printed circuit board of a four-band STAŚ receiver. Receiver CW / SSB beginacz nasłuchowca (80/40/30 / 20m). AVT3230 A