斗牛顺口溜

TM1637 4 Bits Digital Tube LED Display Module With Clock Display for Arduino

斗牛顺口溜4 bits digital tube led display module with clock display tm1637 for arduino module features are as follows: 1. display common anode for the four red led 2. digital tube 8 gray adjustable 3. level control interface for 5v or 3.3v 4. size:42x24x12mm          

I2C RTC DS1307 AT24C32 Real Time Clock Module For AVR ARM PIC

I2C RTC DS1307 AT24C32 Real Time Clock Module For AVR ARM PIC 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, etc. The DS1307 is Read more about I2C RTC DS1307 AT24C32 Real Time Clock Module For AVR ARM PIC[…]

DS1302 Real Time Clock module with Battery CR2032 for arduino

DS1302 Real Time Clock Module with CR2032 Button Battery 31 x 8 RAM Description: The DS1302 trickle-charge timekeeping chip contains a real-time clock/calendar and 31 bytes of static RAM. It communicates with a microprocessor via its interface. The real-time clock/calendar provides seconds, minutes, hours, day, date, month, and year information. 31 x 8 RAM for scratchpad Read more about DS1302 Real Time Clock module with Battery CR2032 for arduino[…]

DS3231 AT24C32 IIC Precision RTC Real Time Clock Memory Module

DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, disconnect the main power supply and maintains accurate timekeeping. Integrated oscillator improve long-term accuracy of the device and reduces the number of components of the production line. Low-cost, extremely accurate Read more about DS3231 AT24C32 IIC Precision RTC Real Time Clock Memory Module[…]

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