LAN DS18B20 WEB Temperature Monitor 1 meter Cable
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Interfacing RFID-RC522 With Arduino MEGA

  Arduino MFRC522 Library from miguelbalboa at: https://github.com/miguelbalboa/rfid   Firmware check: /* * ——————————————————————————————————————– * Example sketch/program to test your firmware. * ——————————————————————————————————————– * This is a MFRC522 library example; for further details and other examples see: https://github.com/miguelbalboa/rfid * * This example test the firmware of your MFRC522 reader module, only known version can be . . .

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Testing Arduino VirtualWire Library Transmit and Receive

  https://www.pjrc.com/teensy/td_libs_VirtualWire.html           Receiver #include <VirtualWire.h> const int led_pin = 6; const int transmit_pin = 12; const int receive_pin = 5; const int transmit_en_pin = 3; void setup() { delay(1000); Serial.begin(9600); // Debugging only Serial.println(“setup”); // Initialise the IO and ISR vw_set_tx_pin(transmit_pin); vw_set_rx_pin(receive_pin); vw_set_ptt_pin(transmit_en_pin); vw_set_ptt_inverted(true); // Required for DR3100 vw_setup(2000); // . . .

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KMtronic LAN WEB 8 Channel Relay board