---
product_id: 81331844
title: "OLatus Expansion Testing Interface Board with Relay, LED, Switch, Buzzer, LDR, Temperature Sensor and TSOP for Arduino"
brand: "olatus"
price: "1754 kr"
currency: ISK
in_stock: true
reviews_count: 2
url: https://www.desertcart.is/products/81331844-olatus-expansion-testing-interface-board-with-relay-led-switch-buzzer
store_origin: IS
region: Iceland
---

# 8 LEDs 5V Relay Temperature Sensor OLatus Expansion Testing Interface Board with Relay, LED, Switch, Buzzer, LDR, Temperature Sensor and TSOP for Arduino

**Brand:** olatus
**Price:** 1754 kr
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Projects with OLatus!

## Quick Answers

- **What is this?** OLatus Expansion Testing Interface Board with Relay, LED, Switch, Buzzer, LDR, Temperature Sensor and TSOP for Arduino by olatus
- **How much does it cost?** 1754 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/81331844-olatus-expansion-testing-interface-board-with-relay-led-switch-buzzer)

## Best For

- olatus enthusiasts

## Why This Product

- Trusted olatus brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Design:** Lightweight and portable at just 120g, ideal for on-the-go projects.
- • **Unleash Your Creativity:** Perfect for prototyping and testing with Arduino and Raspberry Pi!
- • **User-Friendly Interface:** Easy to set up and use, making it perfect for both beginners and pros.
- • **Versatile Compatibility:** Works seamlessly with Arduino, 8051, AVR, and Raspberry Pi.
- • **All-in-One Testing Solution:** Includes relay, buzzer, and sensors for comprehensive input/output testing.

## Overview

The OLatus Expansion Testing Interface Board is a versatile and compact solution designed for input/output testing with Arduino, 8051, AVR, and Raspberry Pi. It features an array of components including a 5V relay, buzzer, 8 LEDs, and various sensors, making it an essential tool for both hobbyists and professionals looking to streamline their prototyping process.

## Description

Olatus ol-board-I/o expansion testing interface board with relay, led, switch, buzzer, ldr, temperature sensor and tsop for arduino - input output testing board for arduino 8051 avr raspberry pi 8 leds and 4 switches 5v relay, buzzer for output testing tsop, ldr and lm35d temperature sensor for input testing potentiometer for varying sensitivity diy testing board for all purpose.

## Features

- Input Output Testing Board for Arduino 8051 AVR Raspberry Pi
- 8 Leds and 4 Switches
- 5V Relay, Buzzer for Output testing
- TSOP, LDR and LM35D Temperature Sensor for Input Testing
- Potentiometer for Varying Sensitivity.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | OLatus |
| Manufacturer | OLatus Systems Private Limited |
| Model number | OL-BOARD-I/O |
| Colour | Green |
| Number of Memory Sticks | 1 |
| Item Weight | 120 g |
| Product Dimensions | 8.64 x 7.87 x 2.54 cm; 120 g |
| Item model number | OL-BOARD-I/O |
| Item Height | 2.54 Centimeters |
| Item Width | 7.87 Centimeters |
| Operating System | Raspberry Pi OS |
| Included Components | OLatus Expansion Testing Interface Board with Relay, LED, Switch, Buzzer, LDR, Temperature Sensor and TSOP |
| Are batteries included? | No |

## Images

![OLatus Expansion Testing Interface Board with Relay, LED, Switch, Buzzer, LDR, Temperature Sensor and TSOP for Arduino - Image 1](https://m.media-amazon.com/images/I/71yaWQP+lHL.jpg)
![OLatus Expansion Testing Interface Board with Relay, LED, Switch, Buzzer, LDR, Temperature Sensor and TSOP for Arduino - Image 2](https://m.media-amazon.com/images/I/719fzWanofL.jpg)
![OLatus Expansion Testing Interface Board with Relay, LED, Switch, Buzzer, LDR, Temperature Sensor and TSOP for Arduino - Image 3](https://m.media-amazon.com/images/I/719-rtpkabL.jpg)

## Customer Reviews

### ⭐ 1.0 out of 5 stars







  
  
    LDR & TSOP is missing on card…
  

*by S***E on Reviewed in India on 22 March 2023*



### ⭐⭐ 2.0 out of 5 stars







  
  
    Testing interface Board
  

*by P***R on Reviewed in India on 20 February 2023*

IR Sensor Module soldered in wrong way. Relay LED not working. Other parts tested, working fine. Purchased for testing logics of controller board and load testing.

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**Shop now:** [https://www.desertcart.is/products/81331844-olatus-expansion-testing-interface-board-with-relay-led-switch-buzzer](https://www.desertcart.is/products/81331844-olatus-expansion-testing-interface-board-with-relay-led-switch-buzzer)

---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-03-06*