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Communication, Modules, Radio Frequency, Show All Communications, Show All Modules
Wireless Transceiver Long Range HC-12 SI4463 433Mhz 1000m
Communication, Modules, Radio Frequency, Show All Communications, Show All ModulesWireless Transceiver Long Range HC-12 SI4463 433Mhz 1000m
Power supply voltage : 3.2 V — 5.5 V.(if the modules working long hours in emission state, suggested that when the power supply voltage is greater than 4.5 V , you need concatenating a 1N4007 diode to avoid module built-in LDO got fever)
Default communication distance : about 600 m (communication distance is adjustable up to 1000 m, air baud rate 5000 BPS).
Default idle current: 16 ma (modules in different working mode of different current).
SKU: COM0222 -
Audio Amplifier MP3, Modules, Show All Modules
XH-M802 Passive Tone Board Amplifier Preamp Power Module Adjustable Low High Sound
Audio Amplifier MP3, Modules, Show All ModulesXH-M802 Passive Tone Board Amplifier Preamp Power Module Adjustable Low High Sound
Features:
This item is a passive tone board, the main function of the input audio signal for high and low tone section, and then sent to the amplifier board to zoom.
The principle of the product is the audio signal through the limiting element directly through the filter to get the desired high and low tone, tone board does not require power, but the volume will be processed a lot smaller.
SKU: ML2229

























