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4 Channel Opto-Isolated Board is a 4 channel opto-isolator board assembly that allows microcontroller and other logic circuits to be interfaced to both input and output signals that require opto-isolation.This board is helpful for connecting digital systems (like a 5V microcontroller) to a high-voltage or noisy system. 

 Order Code : RDL/OPT/13/001/V1.0

The board has only one  relay driven by TTL circuit . The board works on 5V but the input signal can come directly from Raspberry Pi and Arduino  output working at 5V to control relays. Each relay can switch varierty of AC or DC high voltage, high current loads working at 110V or 220V AC mains like lights, fans, motors and such. The status of relay is indicated by individual LEDs.

 Order Code : RDL/5RR/13/001/V1.0

Jump Wires are commonly used with a breadboard, and are used to transfer electrical signals.Very handy for prototyping projects in almost every development boards.

Order Code : RDL/JW/13/001/V1.0

Driver fatigue is a significant factor in a large number of vehicle accidents. The development of technologies for detecting or preventing drowsiness at the wheel is a major challenge in the field of accident avoidance systems. Because of the hazard that drowsiness presents on the road, methods need to be developed for counteracting its affects. The aim of this project is to develop a prototype drowsiness detection system. The focus will be placed on designing a system that will accurately monitor the head movements of a driver in real-time. By monitoring the head movements, it is believed that the symptoms of driver fatigue can be detected early enough to avoid a car accident.

Order Code : RDL/MDDM/13/001/V1.0

It provides high quality recording and playback with 11 Minutes audio at 8 Khz Sampling rate with 16 bit resolution. The aPR33A series C2.x is specially designed for simple key trigger, user can record and playback the message averagely for 1, 2, 4 or 8 voice message(s) by switch, It is suitable in simple interface or need to limit the length of single message.

Order Code : RDL/APR/13/001/V1.0

Serial port bluetooth, Drop-in replacement for wired serial connections, transparent usage. You can use the Bluetooth Module simply for a serial port replacement to establish a connection between MCU and GPS, PC to your embedded project and etc.

Order Code: RDL/MODHC05/13/001/V1.0

This is an IC base for 18 Pin IC's. This base is very useful for your circuit because if your IC burns out you can easily change the IC without the need of desoldering. 

Order Code : RDL/IB18/13/001/v1.0

This is an IC base for 14 Pin IC's. This base is very useful for  circuit because if  IC burns out , you can easily change the IC without the need of desoldering. 

Order Code : RDL/IB14/13/001/v1.0

 This programmer is based on USBasp design and connects to your computer's USB port. Not only is it quite compact, but the design is really elegent. The USB interface is achieved by using an atmega processor and the rest is done in firmware.8051 USB programmer supports 7 Atmel 8051 microcontrollers. It is a reliable tool for fast programming of 8051 devices.

Order Code : RDL/ATB/13/001/V1.0