Misc Modules

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4 Channel 5V Relay
This is a 5V 4-Channel Relay interface board, it can control various appliances and other equipments with currents upto 10A. It can be controlled directly by Micro-controller (Raspberry Pi, Arduino , 8051, AVR, PIC, DSP, ARM, MSP430, TTL logic).
1. Each one needs 15-20mA Driver Current
2. Equipped with high-current relay, AC250V 10A ; DC30V 10A
3. Opto-isolated inputs
4. Indication LED’s for Relay output status
₹199.00
₹249.00
2 Channel 5V Relay
Be able to control various appliances, and other equipments with large current
It can be controlled directly by Micro-controller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
5V 2-Channel Relay interface board, and each one needs 50-60mA Driver Current
Equiped with high-current relay, AC250V 10A , DC30V 10A

• Voltage version:5V
• Channel: 2
• The input and output are made of 5.08mm high quality terminals, connecting more convenient, suit for PLC control
• The input terminal can be set high and low trigger, controlling is more flexible
• Each relay has an indicator, working status of the relay can be seen clearly
• Each relay output leads to the normally open and normally closed two sets of contact
• Fixing screw holes for easy installation
• Supports different kinds of microcontrollers and supports Arduino too
₹130.00
RTC
High Accuracy DS3231 Precise Real Time Clock Module with 32Kbit EEPROM and a built-in 10-bit temperature sensor having a resolution of 0.25C.

The DS3231 Precise Real Time Clock Module is a low-cost, extremely accurate I²C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input and maintains accurate timekeeping when main power to the device is interrupted. The integration of the crystal resonator enhances the long-term accuracy of the device as well as reduces the piece-part count in a manufacturing line. The DS3231 is available in commercial and industrial temperature ranges and is offered in a 16-pin, 300-mil SO package.

Package Includes :
1 x DS3231 Precise Real Time Clock Module Memory Module

Specification and features :
I2C interface : Fast (400kHz) I2C Interface.
EEPROM: AT24C32 32Kbit Serial I2C.
Digital Temp Sensor Output: 10 bit, ±3°C Accuracy and 0.25C resolution.
Time Format: HH: MM: SS (12/24 hr).
Date Format: YY-MM-DD-dd.
Accuracy ±2ppm from 0°C to +40°C.
Accuracy ±3.5ppm from -40°C to +85°C.
1Hz output pin SQW.
32KHz output pin 32K.
Voltage Supply: 2.2 V ~ 5.5 V (for RTC).
Operating Voltage: (VCC): 2.7V ~ 5.5V (including 24C32).
Operating Temperature Ranges: Commercial (0°C to +70°C) and Industrial (-40°C to +85°C).
Battery Holder: 2032 Coin Battery.
Size: 38 (L) x 22 (W) x 14 mm (H).
Weight:8 gm (including Battery).
₹105.00
LCD I2C
This is a RoHS compliant I2C Serial LCD board that can be connected to a standard 16×2 or 20×4 Character Display Module that supports 4 bit mode. All Character Modules sold on our site support 4 bit mode, and nearly all commercially available 16×2 and 20×4 line character modules support it too.

This board has a PCF8574 I2C chip that converts I2C serial data to parallell data for the LCD display. There are many examples on internet for using this board with Arduino. Do a search for “Arduino LCD PCF8574“. The I2C address is 0x3F by default, but this can be changed via 3 solder jumpers provided on the board. This allows up to 3 LCD displays to be controlled via a single I2C bus (giving each one it’s own address).

5V power supply.
Serial I2C control of LCD display using PCF8574.
Backlight can be enabled or disabled via a jumper on the board.
Contrast control via a potentiometer.
Can have 8 modules on a single I2C bus (change address via solder jumpers)address, allowing.
Size :41.6 x 19.2 mm.
₹105.00
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