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It's a 12V 4CH Channel 443MHz Wireless RF Remote Control Relay Switch With Remote
Resistance 100 ohm (101) Brand Resistor Chip size 0805 Tolerance 5% Power 1/8W Temperature Range -55°C to +125°C Mounting Type Surface mount No
+12V(V2) Rated Current V1-8A
The Remote Control four buttons could respectively copy four different types of chips
8 ohm 1/4W and tolerance of ±1%
GPD2846A TF Card MP3 Decoder Board 2W Amplifier Module 6K2 It's a 12V 4CH ChannelThe GPD2856A MP3 decoder IC is used on this TF card MP3 decoder board, which also includes a 2 watt L R mixed mono audio amplifier IC (8002). This module is an improved version of the GPD2846A TF card MP3 decoder board, which now has a TF card slot for a micro SD memory card as well as an LED power indicator. Only a power source, direct speaker connection and switches are required for the board. An operating voltage of 3. 7V to 5V is recommended by
US$ 304.00
US$ 195.00