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| Best Seller  | DIY kit AT89C2051electronic clock digital tube LED display kit electronic module feature: Power supply voltage: DC 5 - 12V (above 7V the four LED lights in the middle are on) Recommended voltage: DC 9V Working current: 35mA (external power supply self-provided) Standby current: 1.2 MA (powered by backup battery) Backup battery:... more | FREE shipping go to store |
 | Diy Kit At89C2051Electronic Clock Digital Tube Led Display Kit Electronic Module feature: Power supply voltage: DC 5 - 12V (above 7V the four LED lights in the middle are on) Recommended voltage: DC 9V Working current: 35mA (external power supply self-provided) Standby current: 1.2 MA (powered by backup battery) Backup battery:... more | $13.15 $7.15 go to store |
| Best Seller  | Diy Kit At89C2051Electronic Clock Digital Tube Led Display Kit Electronic Module feature: Power supply voltage: DC 5 - 12V (above 7V the four LED lights in the middle are on) Recommended voltage: DC 9V Working current: 35mA (external power supply self-provided) Standby current: 1.2 MA (powered by backup battery) Backup battery:... more | $12.29 $10.30 go to store |
 | Diy Kit At89C2051Electronic Clock Digital Tube Led Display Kit Electronic Module feature: Power supply voltage: DC 5 - 12V (above 7V the four LED lights in the middle are on) Recommended voltage: DC 9V Working current: 35mA (external power supply self-provided) Standby current: 1.2 MA (powered by backup battery) Backup battery:... more | FREE shipping go to store |
 | DIY kit AT89C2051electronic clock digital tube LED display kit electronic module feature: Power supply voltage: DC 5 - 12V (above 7V the four LED lights in the middle are on) Recommended voltage: DC 9V Working current: 35mA (external power supply self-provided) Standby current: 1.2 MA (powered by backup battery) Backup battery:... more | $12.92 $10.92 go to store |
 | Arkzeo DIY kit AT89C2051electronic clock digital tube LED display kit electronic module feature: Power supply voltage: DC 5 - 12V (above 7V the four LED lights in the middle are on) Recommended voltage: DC 9V Working current: 35mA (external power supply self-provided) Standby current: 1.2 MA (powered by backup battery) Backup battery:... more | FREE shipping go to store |
 | DIY kit AT89C2051electronic clock digital tube LED display kit electronic module feature: Power supply voltage: DC 5 - 12V (above 7V the four LED lights in the middle are on) Recommended voltage: DC 9V Working current: 35mA (external power supply self-provided) Standby current: 1.2 MA (powered by backup battery) Backup battery:... more | FREE shipping go to store |
 | Diy Kit At89C2051Electronic Clock Digital Tube Led Display Kit Electronic Module feature: Power supply voltage: DC 5 - 12V (above 7V the four LED lights in the middle are on) Recommended voltage: DC 9V Working current: 35mA (external power supply self-provided) Standby current: 1.2 MA (powered by backup battery) Backup battery:... more | $12.09 $10.10 go to store |
 | Kairuite DIY kit AT89C2051electronic clock digital tube LED display kit electronic module feature: Power supply voltage: DC 5 - 12V (above 7V the four LED lights in the middle are on) Recommended voltage: DC 9V Working current: 35mA (external power supply self-provided) Standby current: 1.2 MA (powered by backup battery) Backup battery:... more | FREE shipping go to store |
 | DIY kit AT89C2051electronic clock digital tube LED display kit electronic module feature: Power supply voltage: DC 5 - 12V (above 7V the four LED lights in the middle are on) Recommended voltage: DC 9V Working current: 35mA (external power supply self-provided) Standby current: 1.2 MA (powered by backup battery) Backup battery:... more | FREE shipping go to store |
 | DIY kit AT89C2051electronic clock digital tube LED display kit electronic module feature: Power supply voltage: DC 5 - 12V (above 7V the four LED lights in the middle are on) Recommended voltage: DC 9V Working current: 35mA (external power supply self-provided) Standby current: 1.2 MA (powered by backup battery) Backup battery:... more | $13.60 $11.60 go to store |
 | DIY kit AT89C2051electronic clock digital tube LED display kit electronic module feature: Power supply voltage: DC 5 - 12V (above 7V the four LED lights in the middle are on) Recommended voltage: DC 9V Working current: 35mA (external power supply self-provided) Standby current: 1.2 MA (powered by backup battery) Backup battery:... more | FREE shipping go to store |
 | GLFILL Diy Kit At89C2051Electronic Clock Digital Tube Led Display Kit Electronic Module feature: Power supply voltage: DC 5 - 12V (above 7V the four LED lights in the middle are on) Recommended voltage: DC 9V Working current: 35mA (external power supply self-provided) Standby current: 1.2 MA (powered by backup battery) Backup battery:... more | $11.98 $7.98 go to store |
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