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When the parallel load (PL) input is LOW
Widely applicable
Parallel Port: Yes
1 X 433Mhz or 868Mhz Antenna
General DescriptionThe 74HC47 is a BCD to 7-segment decoder/driver IC designed to convert a 4-bit Binary Coded Decimal (BCD) input into the correct output signals for driving a 7-segment display
SIM800L GPRS GSM Module (ESP Style Board w Built-in Antenna) external PCB antenna BLACK COIN When the parallel load (PL)SIM800L GSM GPRS module is based on SIM800L by SIMCOM. It has the same dimensions and shape like ESP seriesboards. Also it is powered by DC 6V supply. The module is copact and rugged because it has built in pcb antenna, making it suitable for applications where size matters. SIM800L GSM GPRS module supports quad band GSM GPRS network including SIM800L GPRS and SMS message data. The SIM800L GSM GPRS board features compact size and low current
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