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| Best Seller  | 6pcs Electronic Buzzer Piezo Tone Buzzer for Computers Printers Photocopiers Description This item is a piezo electronic alarm buzzer well made of premium material. This item is durable and practical use. Inside is a piezo plus the driver circuitry. Designed with 2 wired connectors which are convenient for connecting. The... more | $4.25 $3.40 go to store |
 | 6pcs Electronic Buzzer Piezo Tone Buzzer for Computers Printers Photocopiers Description This item is a piezo electronic alarm buzzer well made of premium material. This item is durable and practical use. Inside is a piezo plus the driver circuitry. Designed with 2 wired connectors which are convenient for connecting. The... more | $4.49 $4.00 go to store |
| Best Seller  | PCF8523 Real Time Clock RTC Assembled Breakout Board Module Binzhouyucong Features: This is a great battery-backed real time clock (RTC) that allows your microcontroller project to keep track of time even if it is reprogrammed or if the power is lost. Perfect for datalogging clock-building time stamping timers and alarms... more | FREE shipping go to store |
 | 1111fourone For Arduino DS3231 ZS042 AT24C32 IIC Module Precision RTC Real Time Clock Memory New Descripition: Calendar alarm clock with two. Programmable square-wave output. Real time clock generator seconds minutes hours day date month and year timing and provide valid until the year 2100 leap year compensation. Chip temperature sensor comes... more | FREE shipping go to store |
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