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Brand: Adafruit Model: ADA-2922
A Feather board without ambition is a Feather board without FeatherWings! This is the Adalogger FeatherWing: it adds both a battery-backed Real Time Clock and micro SD card storage to any Feather main board. Using our Feather Stacking Headers or Feather Female Headers you can connect a FeatherWing o..
£11.22
Ex Tax:£9.35
Clock Generator Breakout Board - 8KHz to 160MHz - Si5351A [2045] Clock Generator Breakout Board - 8KHz to 160MHz - Si5351A [2045]
Out Of Stock
Brand: Adafruit Model: ADA-2045
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 I2C cont..
£11.58
Ex Tax:£9.65
DS1307 Real Time Clock Assembled Breakout Board [3296] DS1307 Real Time Clock Assembled Breakout Board [3296]
Out Of Stock
Brand: Adafruit Model: ADA-3296
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 the most popular RTC - but it require..
£13.14
Ex Tax:£10.95
DS3231 Precision RTC Breakout [3013] DS3231 Precision RTC Breakout [3013]
Out Of Stock
Brand: Adafruit Model: ADA-3013
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 timing crystal..
£19.14
Ex Tax:£15.95
Brand: Adafruit Model: ADA-3028
A Feather board without ambition is a Feather board without FeatherWings! This is the DS3231 Precision RTC FeatherWing: it adds an extremely accurate I2C-integrated Real Time Clock (RTC) with a Temperature Compensated Crystal Oscillator (TCXO)  to any Feather main board. This RTC is the most pr..
£17.50
Ex Tax:£14.58
Brand: Seeedstudio Model: SEEED-102020083
According to the name, it is easy to know that the Grove High Precision RTC is a more accurate real-time-clock comparing to Grove RTC with the regular clock chip DS1307. The heart of Grove High Precision RTC is PHILIPS PCF85063TP, which is a CMOS chip that optimized for low power consumption, the ty..
£12.78
Ex Tax:£10.65
Brand: Adafruit Model: ADA-3386
This is a great battery-backed real time clock (RTC) that allows your Raspberry Pi project to keep track of time if the power is lost. Perfect for data-logging, clock-building, time-stamping, timers and alarms, etc. Equipped with PCF8523 RTC, it works great with the Raspberry Pi and has na..
£9.54
Ex Tax:£7.95
Real-Time Clock (RTC) Module - Super Capacitor Real-Time Clock (RTC) Module - Super Capacitor
Out Of Stock
Brand: Seeedstudio Model: SEEED-114990108
This is a Super Capacitor (versus a battery) Real-Time Clock module designed for Raspberry Pi, but can also be used with Arduino. Pluging it into Raspberry Pi GPIO interface, and all is ok. This is the easiest way to keep it in time. Features Super capacitor Smaller Work in 3.3V and 5V Supp..
£11.45
Ex Tax:£9.54
Brand: DFRobot Model: DFR-TOY0020
A real-time clock (RTC) is a computer clock (most often in the form of an integrated circuit) that keeps track of the current time. The term is used to avoid confusion with ordinary hardware clocks which are only signals that govern digital electronics, and do not count time in human units. Compare..
£11.03
Ex Tax:£9.19
Brand: DFRobot Model: DFR-DFR0151
The DS1307 Real Time Clock developed by one of the DFRobot designers: Waiman.  The module comes fully assembled and pre-programmed with the MST current time. The included Lithium coin cell battery (CR1225 41mAh) will run the module for a minimum of 9 years (17 years typical) without external 5V..
£6.20
Ex Tax:£5.17
Brand: Seeedstudio Model: SEEED-101020013
The RTC module is a member of Twig. It is based on the clock chip DS1307 which supports the I2C protocol. It uses a Lithium cell battery (CR1225). The clock/calendar provides seconds, minutes, hours, day, date,month, and year information. The end of the month date is automatically adjusted for month..
£8.96
Ex Tax:£7.47
Brand: Seeedstudio Model: SEEED-103040002
The RTC module can provides you a real-time clock. You can make the controller ask the module for the time to, for example, check the mealtime for your three months old baby. Do not forget to install a small coin cell which can serve the module for more than six mouths. Features Real-Time Clock..
£8.84
Ex Tax:£7.37
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