Relay driver module

This is spare parts for making voice control car is fully in working condition. 1. Arduino Uno board 2. HC-05 Bluetooth module 3. L298 2A dual motor driver 4. Bo-motor 100 rpm (x4) 4 pieces 5. Wheel (x4) 4 pieces Price for combo = 1100 Rs/- (negotiable) Also you can buy it separately. Contact : Insta I'd - ( its_shanky_306) dm me

->We can provide best quality DC-DC Driver PCBs to assemble or replace in high frequency online UPS.->All the components used are industrial grade, These PCBs are fully tested for its function and after the QC, it is ready to ship from our workshop.

-We can provide best quality DC-DC Driver PCBs to assemble or replace in high frequency online UPS.-All the components used are industrial grade, These PCBs are fully tested for its function and after the QC, it is ready to ship from our workshop.

* 8 ports SIM card slots.Just like 8 single-channel equipments work at the same time * 2G GSM Frequency: 900/1800MHz * SMS sending: 600/800/1000/1200 SMS per hour by one port * Connection with the computer through RS232 interface (PCI card is opitonal) can be integrated with USB interface * Each port with separate power switch * Each individual module can be discharged * Bulk sms/mms sending, voice ads, data consumption and IMEI changeable etc * Open AT command * Industrial chassis, elegant shell * Wireless access to interne * Comply with GSM phase2 standard * Internet Services: PPP,TCP, UDP, FTP,HTTP, SMTP, POP3 Model NO. : QS81 Module : QS80 Network : GSM Frequency : Dual band: 850/900/1800/1900 Mhz Max Transmit Power Class 1(1W):DSC1800,PCS1900 Class 2(2W):GSM850,EGSM900 SIM Port : 8 x SIM card(big/small) slots SMS quantity : Send 600/800/1000/1200 SMS per hour by one port SIM port : Big card:85*53mm , small card:25*15mm, 1.8V or 3V Port : USB2.0/PCI Function:Bulk sms/mms,voice,wap,imei change,stk recharge,CSD,etc. Internet : Wireless Access to internet With TCP/IP stack Internet Services: PPP,TCP, UDP, FTP,HTTP, SMTP, POP3 AT command PC System : Windows2000,Windows XP,Windows Vista,Windows 7,WinCE 4.2,WinCE 5.0,WinCE 6.0,Linux,MAC Input voltage DC 12V~24V Working temperature -20℃~+70℃ Storage temperature -40℃~+85℃ Size : 220*120*114mm Package size : 27*21*17.1cm Housing : Aluminum Casing Weight :3.0kg Accessories :AC/DC adapter, USB cable/PCI card, Antennas and driver