Mô đun đọc RFID 125Khz RDM6300 UART cho Arduino

125Khz RFID Reader Module RDM6300 UART Output Access Control System for arduino DIY KIT Item Description: 100% Brand New and High Quality The dedicated module RDM630 series of non-contact RF ID card, preclude the use of advanced RF receiver circuits and embedded microcontroller design Combined with efficient decoding algorithms, to complete the EM4100 compatible ID card data reception This module is convenient to use, the power supply serial connection after for motherboard, when RFID card to enter the card read range, module will be through the UART the card number directly send for Receiver sensitivity, high operating current, high stability Suitable for access control, time and attendance, charges, anti-theft, Patrol and other radio frequency identification applications Frequency: 125KHz Interface: TTL RS232 Voltage:for DC 5V(±5%) Current: 0) { comdata += char(Serial.read()); delay(2); } if(comdata.length() > 0&&comdata=="0500ADDF1443") { while( comdata.length() > 0 ) { digitalWrite(3,LOW); delay(100); while (Serial.available() > 0) { comdata += char(Serial.read()); delay(2); } comdata = ""; } } else if (comdata.length() > 0) { while(comdata.length() > 0) { digitalWrite(2,LOW); delay(100); while (Serial.available() > 0) { comdata += char(Serial.read()); delay(2); } comdata = ""; } } } Before purchase: 1.All the goods are ready stock, we will arrange the shipment at once if we receive the order. 2.Please read the item description, if you have any question, do not hesitate to contact us. 3.Use the vouchers for more saving. Shipment： 1.1-2 days to ship(except for the pro-order item) and 10-15 days shipment. 2.If you have not received the item after 15 days shipment,Please contact us. After purchase: 1.If you are satisfied，please give us 5 stars praise. 2.Please contact us before you are going to give us bad review. We are helpful and will solve the problems. if you receive a defect item,please contact us at once with item picture or vide #125Khz #RFID #Reader #Module #RDM6300 #UART #Output #Access #Control #System #for #arduino #DIY #KIT