# ALLNET DS1302 Real-Time Clock RTC kit Multicolour compatible with 4Duino

**URL:** https://aio.lv/en/product--allnet-allrtcds1302--3263811
**Data updated:** 2026-09-24 04:30 (EEST)
**Category:** Other goods
**Manufacturer:** ALLNET
**Manufacturer code:** All\_RTC\_DS1302
**EAN:** 4038816135940
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.49 €
**Prices and availability valid until:** 2026-11-04 23:59
**Price without VAT (21%):** 5.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--allnet-allrtcds1302--3263811

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 19.10.2026 | free |
| Pickup points | 22.10.2026 | 1.99 EUR |
| Courier delivery to door | 22.10.2026 | 4.99 EUR |

## Summary description

The ALLNET DS1302 Real-Time Clock RTC kit in multicolour is designed for precise timekeeping applications. Compatible with 4Duino and ALLNET systems, this module provides reliable real-time data tracking for various electronics projects, development boards, and embedded systems.

## Long description

The ALLNET DS1302 Real-Time Clock RTC kit in multicolour, model All\_RTC\_DS1302, is a reliable module designed for precise timekeeping and calendar tracking in various electronics projects and embedded systems. Built around the DS1302 trickle-charge timekeeping chip, this module communicates efficiently with microprocessors using a simple synchronous serial interface. It handles complete time and date information, including seconds, minutes, hours, day, date, month, and year, while automatically adjusting for shorter months and leap years. Designed for low-power operation, the module ensures efficient performance and data retention for your development boards.
Advantages
The ALLNET DS1302 Real-Time Clock RTC kit offers dual power pins supporting both primary and backup power supplies to maintain continuous operation. Its low-power consumption allows it to retain clock information and data on minimal energy. The simplified three-wire serial interface ensures straightforward communication with a microprocessor using CE, I/O, and SCLK lines. Additionally, the integrated static RAM provides 31 bytes of memory for supplementary data storage.
Suitable for
Embedded systems and microcontroller projects requiring accurate time and date tracking
DIY electronics development boards such as 4Duino and compatible ALLNET systems
Projects needing automatic leap year correction and month-end adjustments
Prototyping applications utilizing low-power serial communication modules
When it may not be suitable
This real-time clock kit may not be suitable for projects that require high-precision atomic timekeeping or synchronization over complex network protocols without external assistance. It is also not designed for standalone industrial deployment without a compatible microcontroller or development board to handle the serial interface.
Key specifications
Equipped with the DS1302 trickle-charge timekeeping chip
Real-time clock and calendar tracking seconds, minutes, hours, day, date, month, and year
Supports both 24-hour and 12-hour formats with an AM/PM indicator
Includes 31 bytes of static RAM
Synchronous serial interface using three communication wires: CE, I/O, and SCLK
Dual power pins for primary and backup power supplies
Programmable trickle charger for VCC1
Low-power operation consuming less than 1uW for data and clock retention
How to use
To integrate the ALLNET DS1302 Real-Time Clock RTC kit into your project, connect the module to your microcontroller using the three primary serial interface lines: Chip Enable (CE), Input/Output data line (I/O), and Serial Clock (SCLK). Ensure that both primary and backup power supplies are correctly connected to the dual power pins to maintain continuous timekeeping during power transitions. You can communicate with the clock and static RAM by transferring data one byte at a time or in a burst of up to 31 bytes through the microprocessor software routine.
What to consider before purchase
Check compatibility with your specific development board, such as 4Duino or ALLNET systems.Verify that your project requirements align with a three-wire synchronous serial communication interface.Ensure you have a suitable primary and backup power supply configuration for the dual power pins.
Usage recommendations
Always verify wiring connections for the CE, I/O, and SCLK lines before powering on the microcontroller to ensure stable serial communication and prevent data transfer errors.

## Specifications

| Feature | Value |
|---|---|
| Compatibility | 4Duino |
| Product colour | Multicolour |
| Brand compatibility | ALLNET |
| Product type | Real-Time Clock (RTC) kit |

## FAQ

### How much does the ALLNET DS1302 Real-Time Clock Kit cost, and is it available for purchase?

The price is 6.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 41 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 19.10.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All ALLNET products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized ALLNET service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/3263811/58309037_large.webp