4D product information for

Real Time Clock (RTC) module with Temperature Sensor for the Raspberry Pi

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Product Title: Real Time Clock (RTC) module with Temperature Sensor for the Raspberry Pi
Manufacturer/Publisher: Fourth Dimension
Stock Code: 4D-RaspberryPi-RealTimeClock-Temp-RTCT
QuickCode: 18125
Format: Hardware
Product Group: Raspberry Pi: GPIO, RTC & Sensors
Condition: New
Availability: Usually available from stock

A Battery backed up Real Time Clock card for the RaspberryPi Model A, A+, B, B+, Pi2, Pi3, Pi4 and Compute Module. The temperature sensor shows the ambient temperature around the sensor, not the CPU core temperature.

Physical installation: Plugs into the GPIO pins. Fits within the footprint of the Raspberry Pi's PCB and is lower than the double USB socket so should fit into almost any case. Full fitting instructions are on our main website.

Real Time Clock chip: Maxim DS1338
Temperature Sensor: MCP9801 (LM75 compatible)
Cell (Battery): CR1620
Crystal Accuracy: 20ppm (better than 1 minute a month)
Battery Capacity: Over nine years!

Real Time Clock Module with Temperature Sensor
CR1620 Battery (unfitted)
Fitting Instructions

Software Support:
Raspbian "wheezy" now supports the Real Time Clock (see fitting instructions above for how to enable this).
The official RISC OS downloads include Real Time Clock support!

We are current searching for Linux software for the temperature sensor, the MCP9801 is a commonly used chip that is software compatible with many other I2C temperature sensors. The temperature sensor hardware has been tested using RISC OS, and RISC OS software can be downloaded here.

Please contact us for Quantity discounts on orders of 10 or more.

Postage (By AIR):
UK: Included in the price
Europe: £2.90
Rest of the World: £3.90
Additional RTCs no extra cost. e.g. Postage on two or more to Europe is £2.90
The extra postage will not show up when you 'check out', we will add it to the total when the order is processed!

Price: £13.00 no UK VAT to pay!
Free UK delivery on orders of £40 or more! (exceptions apply)

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Established 1982

Most orders of less than £40 will incur a £3 admin charge.
Items on special offer are while stocks last and may be time limited.
Items marked S/H are secondhand and have a 3 month warranty
Unless otherwise stated, photos are for illustrative purposes only
UK delivery included on orders of £40 or more (exceptions apply), please ask for overseas delivery cost.
Please check for compatibility. Official orders welcome. E&OE

If you have a sales enquiry please email our sales department
Unit 16, Arunside Ind. Est., Fort Road, Littlehampton, West Sussex, BN17 7QU, UK. 01903 523222 (full contact details)
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Last updated: Fri, 21 Jun 2024