Real Time Clock Modules

09-00002045
Never hunt around for another crystal again, with the Si5351A clock generator breakout from Adafruit! This chip has a precision 25MHz crystal reference and internal PLL and dividers so it can generate just about any frequency, from <8KHz up to 150+ MHz. The Si5351A clock generator is an...
ΚατασκευαστήςAdafruit Part NumberADA2045 Καθ. Βάρος0.001 kg
980
Διαθέσιμο
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09-00003013
The datasheet for the DS3231 explains that this part is an "Extremely Accurate I²C-Integrated RTC/TCXO/Crystal". And, hey, it does exactly what it says on the tin! This Real Time Clock (RTC) is the most precise you can get in a small, low power package. Most RTCs use an external 32kHz...
ΚατασκευαστήςAdafruit Part NumberADA3013 Καθ. Βάρος0.0042 kg
2190
Εξαντλημένο
19-00010525
This is the Real Time Clock (RTC) Module with extra EEPROM, this little breakout that uses the DS1307 to keep track of the current year, month, day as well as the current time. The module comes fully assembled. The DS1307 RTC is accessed via the I2C protocol. Note : Battery not included...
ΣύνδεσηI2C ΚατασκευαστήςOEM Καθ. Βάρος0.007 kg
190
Διαθέσιμο
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09-00003295
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. Equipped with  PCF8523  RTC - it can run from...
ΚατασκευαστήςAdafruit Part NumberADA3295 Καθ. Βάρος0.004 kg
890
Εξαντλημένο
31-00003707
The  PCF8563 RTC Board  provides the real-time clock/calendar function, which can be driven by a battery on board and works independently even when the MCU is turned off. The  PCF8563 RTC Board  features I2C pinheader on one side, and I2C connector on the opposite side. Hence, it's more...
ΚατασκευαστήςWaveshare Part Number3707 Καθ. Βάρος0.006 kg
490
Διαθέσιμο
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19-00011000
The WeMos D1 Mini family of boards is one of the latest additions to the ESP8266-based IoT ecosystem. The WeMos D1 Mini Real-Time Clock Shield allows you to add a Real-Time Clock (RTC) to your WeMos mini or mini Pro development boards. Using an RTC is the best way to keep track of time in your...
ΚατασκευαστήςWEMOS Καθ. Βάρος0.006 kg Χώρα ΠροέλευσηςΚίνα
590
Διαθέσιμο
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09-00005189
Αυτό είναι ένα υπέροχο ρολόι πραγματικού χρόνου (RTC) με μπαταρία που επιτρέπει στο έργο του μικροελεγκτή σας να παρακολουθεί τον χρόνο ακόμα και αν έχει επαναπρογραμματιστεί ή αν χαθεί η ισχύς. Ιδανικό για καταγραφή δεδομένων, χρονομέτρηση, χρονική σφράγιση, χρονοδιακόπτες και συναγερμούς κ.λπ. Εξοπλισμένο με PCF8523 RTC, μπορεί να δουλέψει με 3.3V ή 5V & logic!
ΣύνδεσηI2C ΚατασκευαστήςAdafruit Part NumberADA5189
640
Εξαντλημένο
39-00010105
Το DS3231 είναι ένα χαμηλού κόστους, εξαιρετικά ακριβές ρολόι πραγματικού χρόνου I2C (RTC), με ενσωματωμένο ταλαντωτή κρυστάλλου με αντιστάθμιση θερμοκρασίας (TCXO) και κρύσταλλο. Η συσκευή ενσωματώνει είσοδο μπαταρίας, αποσυνδέει την κύρια παροχή ρεύματος και διατηρεί ακριβή χρονομέτρηση. Ο...
ΚατασκευαστήςOEM Καθ. Βάρος0.02 kg Χώρα ΠροέλευσηςΚίνα
490
Διαθέσιμο
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25-00016259
After several months of "Out of Stock", DS1307 RTC module has experienced a huge upgrade. It comes with a Gravity I2C interface. Its size is also reduced to fit miniaturization applications. Gravity I2C DS1307  RTC module  is an easy-to-use Real Time Clock module. It is cheap and affordable...
ΚατασκευαστήςDFRobot Part NumberDFR0151 Καθ. Βάρος0.018 kg
550
Διαθέσιμο
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25-00016262
We're glad to introduce a new member in Gravity family: Gravity I2C SD2405 RTC module. This is an extremely accurate I2C real-time clock (RTC) with crystal compensation, inner chargeable battery. The SD2405AL is available in industrial temperature ranges. The SD2405AL is dual power supply...
ΚατασκευαστήςDFRobot Part NumberDFR0469 Καθ. Βάρος0.006 kg
1060
Διαθέσιμο
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25-00016136
This real-time clock (RTC) module uses the SD3031 chip, which has an integrated crystal oscillator and temperature compensator. This provides high-precision timing and stability. At a temperature of 25 °C, the accuracy is maintained at ±3.8ppm (±0.32832 seconds/day). The SD3031 can be powered...
ΚατασκευαστήςDFRobot Part NumberDFR0998 Καθ. Βάρος0.017 kg
640
Διαθέσιμο
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25-00016307
This MEMS Precise RTC Breakout Board adopts DS3231M chip, which integrates MEMS resonator and temperature compensator. Compared to quartz crystal clock, the real-time clock reduces the risk of mechanical failure. Therefore, it can be used in a highly vibrating environment. Within -45°C to +85°C,...
ΚατασκευαστήςDFRobot Part NumberDFR0641 Καθ. Βάρος0.017 kg
860
Εξαντλημένο
25-00016338
This real-time clock module (RTC) uses the DS3231 chip that integrates a crystal resonator and a temperature compensator, which improves the long-term accuracy of the module. In the range of -40°C to +85°C, the accuracy of DS3231 remains at ±3.5ppm (±0.3024 seconds/day). The device...
ΚατασκευαστήςDFRobot Part NumberDFR0819 Καθ. Βάρος0.017 kg
1100
Εξαντλημένο
25-00016337
This real-time clock module (RTC) uses the DS3232 chip that integrates a crystal resonator and a temperature compensator, which improves the long-term accuracy of the module. In the range of -40°C to +85°C, the accuracy of DS3231 remains at ±3.5ppm (±0.3024 seconds/day). The DS3232 integrates...
ΚατασκευαστήςDFRobot Part NumberDFR0821 Καθ. Βάρος0.017 kg
1480
Διαθέσιμο
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