ATmega328P-U PDIP-28 8 BIT Microcontroller IC The Atmel ATmega328 IC is a 32K 8-bit microcontroller based on the AVR architecture. Many instructions are executed in a single clock cycle providing a throughput of almost 20 MIPS at 20MHz. The ATMEGA328P-U comes in an PDIP 28 pin package and is suitable for use on our 28 pin AVR Development Board . The ATmega328P-U AVR is supported with a full suite of program and system development tools including C Compilers, Macro Assemblers, Program Debugger/Simulators, In-Circuit Emulators, and Evaluation Kits. Applications: Industrial control systems Switched-mode power supply (SMPS) and power regulation systems Digital data processing Analog signal measuring and manipulation Embedded systems like coffee machines, vending machines Motor control systems Display units Key Features: Additional Features Features Internal calibrated oscillator Power on reset and programmable brown out detection External and internal interrupts 6 sleep modes including idle, ADC noise reduction, power save, power down, standby, and extended standby I/O and Package 23 programmable I/O lines 28 pin PDIP package Speed Grades: 0-4 MHz at 1.8-5.5V 0-10 MHz at 2.7-5.5V 0-20 MHz at 4.5-5.5V Low power consumption mode at 1.8V, 1 MHz and 25°C: Active Mode: 0.3 mA Power-down Mode: 0.1 ?A Power-save Mode: 0.8 ?A (Including 32 kHz RTC) Pinout:

ATmega8 The ATmega8A IC is a low-power CMOS 8-bit microcontroller based on the AVR RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega8A achieves throughputs approaching 1 MIPS per MHz, allowing the system designer to optimize power consumption versus processing speed. The ATmega has 16 KB programmable flash memory, static RAM of 1 KB and EEPROM of 512 Bytes. The endurance cycle of flash memory and EEPROM is 10,000 and 100,000, respectively. Pinout: Pinout of ATmega8A Applications: Home automation Industrial automation Robotics Automotive Medical devices Communication devices Also check ATmega32 , a high-performance, low-power 8-bit AVR RISC-based microcontroller by Atmel. It features 32KB of programmable flash memory, 2KB SRAM, 1KB EEPROM, an 8-channel 10-bit A/D converter, and a JTAG interface for on-chip debugging. The device supports a throughput of 16 MIPS at 16 MHz and operates between 4.5-5.5 volts. Package Include: 1 x ATmega8 IC

ATMEL 89C2051 IC The Atmel AT89C2051 IC is a low-voltage, high-performance CMOS 8-bit microcomputer with 2K bytes of Flash programmable and erasable read-only memory (PEROM). The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set. By combining a versatile 8-bit CPU with Flash on a monolithic chip, the Atmel AT89C2051 is a powerful microcomputer which provides a highly-flexible and cost-effective solution to many embedded control applications. The AT89C2051 provides standard features like 2K bytes of Flash, 128 bytes of RAM, 15 I/O lines, two 16-bit timer/counters, a five vector two-level interrupt architecture, a full duplex serial port, a precision analog comparator, on-chip oscillator and clock circuitry. In addition, the AT89C2051 is designed with static logic for operation down to zero frequency and supports two software selectable power saving modes. The Idle Mode stops the CPU while allowing the RAM, timer/counters, serial port and interrupt system to continue functioning. The power-down mode saves the RAM contents but freezes the oscillator disabling all other chip functions until the next hardware reset. Pinout: Pinout Of ATMEL AT89C2051 IC Pinout Applications: Electronic Timers Temperature Control Systems Home Automation Robotics Automotive Applications

Atmel 89S52 The Atmel AT89S52 is a low-power, high-performance CMOS 8-bit microcontroller with 8K bytes of in-system programmable Flash memory. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 instruction set and pin out. The on-chip Flash allows the program memory to be reprogrammed in-system or by a conventional nonvolatile memory programmer. By combining a versatile 8-bit CPU with in-system programmable Flash on a monolithic chip, the Atmel AT89S52 is a powerful micro controller which provides a highly-flexible and cost-effective solution to many embedded control applications. The AT89S52 provides the following standard features like 8K bytes of Flash, 256 bytes of RAM, 32 I/O lines, Watchdog timer, two data pointers, three 16-bit timer/counters, a six-vector two-level interrupt architecture, a full duplex serial port, on-chip oscillator, and clock circuitry. In addition, the AT89S52 is designed with static logic for operation down to zero frequency and supports two software selectable power saving modes. The Idle Mode stops the CPU while allowing the RAM, timer/counters, serial port, and interrupt system to continue functioning. Pinout: Pinout Of Atmel 89S52 1 P1.0 (T2) Timer/Counter or 0th GPIO pin of PORT 1 2 P1.1 (T2.EX) Timer/Counter/External Counter or 1st GPIO pin of PORT 1 3 P1.2 2nd GPIO pin of PORT 1 4 P1.3 3rd GPIO pin of PORT 1 5 P1.4 4th GPIO pin of PORT 1 6 P1.5 (MOSI) MOSI for in System Programming or 5th GPIO pin of PORT 1 7 P1.6 (MISO) MISO for in System Programming or 6th GPIO pin of PORT 1 8 P1.7 (SCK) SCK for in System Programming or 7th GPIO pin of PORT 1 9 RST Making this pin high will reset the Microcontroller 10 P3.0 (RXD) RXD Serial Input or 0th GPIO pin of PORT 3 11 P3.1 (TXD) TXD Serial Output or 1st GPIO pin of PORT 3 12 P3.2 (INT0’) External Interrupt 0 or 2nd GPIO pin of PORT 3 13 P3.3 (INT1’) External Interrupt 1 or 3rd GPIO pin of PORT 3 14 P3.4 (T0) Timer 0 or 4th GPIO pin of PORT 3 15 P3.5 (T1) Timer 1 or 5th GPIO pin of PORT 3 16 P3.6 (WR’) Memory Write or 6th GPIO pin of PORT 3 17 P3.7 (RD’) Memory Read or 7th GPIO pin of PORT 3 18 XTAL2 External Oscillator Output 19 XTAL1 External Oscillator Input 20 GND Ground pin of MCU 21 P2.0(A8) 0th GPIO pin of PORT 2 22 P2.1 (A9) 1st GPIO pin of PORT 2 23 P2.2 (A10) 2nd GPIO pin of PORT 2 24 P2.3 (A11) 3rd GPIO pin of PORT 2 25 P2.4 (A12) 4th GPIO pin of PORT 2 26 P2.5 (A13) 5th GPIO pin of PORT 2 27 P2.6 (A14) 6th GPIO pin of PORT 2 28 P2.7 (A15) 7th GPIO pin of PORT 2 29 PSEN’ Program store Enable used to read external program memory 30 ALE / PROG’ Address Latch Enable / Program Pulse Input 31 EA’ / VPP External Access Enable / Programming enable Voltage 32 P0.7 (AD7) Address / Data pin 7 or 7th GPIO pin of PORT 0 33 P0.6 (AD6) Address / Data pin 6 or 6th GPIO pin of PORT 0 34 P0.5 (AD5) Address / Data pin 5 or 5th GPIO pin of PORT 0 35 P0.4 (AD4) Address / Data pin 4 or 4th GPIO pin of PORT 0 36 P0.3 (AD3) Address / Data pin 3 or 3rd GPIO pin of PORT 0 37 P0.2 (AD2) Address / Data pin 2 or 2nd GPIO pin of PORT 0 38 P0.1 (AD1) Address / Data pin 1 or 1st GPIO pin of PORT 0 39 P0.0 (AD0) Address / Data pin 0 or 0th GPIO pin of PORT 0 40 VCC Positive pin of MCU (+5V) Applications: Home automation Industrial automation Robotics Automotive Medical devices Communication devices

ATTINY85 USB Development Board The ATTINY85 based mini development board is similar to the Arduino , but cheaper and smaller (of course, a bit less powerful). With a whole host of shields to extend its functionality. This ATTINY85 USB Development Board is a great way to jump into microcontroller electronics. ATTINY85 microcontroller development board comes with a USB interface. Coding is similar to Arduino , and it uses the familiar Arduino IDE for development. It has 6 ports with several functions. Depending on the programming (with Arduino IDE), it can have 6 digital I/O , 4 analog inputs , or 3 PWM outputs . The ATTINY85 programmer can be powered by a USB port or an external power supply of 6-35V DC . Also check PCI Port Cord Motherboard IC Analyser available on Iotcart. ATTINY85 Pinout

ATTiny85 USB Development Board The ATtiny85 based mini development board is similar to the Arduino but cheaper and smaller. Its USB plug-and-play and ease of use (and the elimination of a separate programmer) make it the ideal board for one to get started working on embedded projects with minimal effort.

Authorization UID IC Keychain Card Mini NFC Tag for Residential Access The Authorization UID IC Keychain Card Mini NFC Tag is designed for secure and convenient residential access control systems. Built with a 1K UID IC chip, it ensures reliable identification and authorization for entry points such as doors, gates, and elevators. Operating at a 125 kHz frequency with an NFC communication interface, this mini tag delivers fast and stable performance when scanned. Its compact keychain-style design makes it easy to carry daily, while maintaining durability and consistent read accuracy. Ideal for apartments, offices, and gated communities, this NFC tag serves as a simple yet effective solution for controlled access management. Features: Compact and portable design Easy to use with NFC readers Durable and long-lasting Secure access control Compatible with residential and commercial systems Lightweight keychain form factor

Automatic Plant Watering System Kit This is a must have tool for a connected garden! It will be helpful to remind you to water your indoor plants or to monitor the soil moisture in your garden. Through adjusting the potentiometer to control the soil humidity threshold, can automatic watering the vegetable garden, garden, control the flower pot soil moisture. Particularly suitable for people who travel frequently! Note: Water should not be poured directly on the Soil moisture sensor probe. Also, read our blog on Smart Plant Monitoring System detailing the plant moisture monitoring system, discussing their purpose, components, working, advantages over traditional systems, and other important aspects of this emerging technology.

Automatic Sanitizer Dispenser Control Board This control board automatic sanitiser dispenser is integrated with a sensor and a timer. The sensor is based out of TSOP frequency sensor board that provides ambient light for the setup. It is built such that it can be used both indoors and outdoors for the best protection. Users will find using this highly flexible since the dispensing time can be regulated between 0.5 and 6 seconds. It provides a great range between 10cms and 15 cms.

Automatic Table Top Touchless Sanitizer Dispenser The automatic tabletop sanitiser dispenser designed to fully replace the traditional soap machine. It comes with an intelligent Infrared motion sensor that detects the motion of the hand and drops liquid soap or sanitiser using the anti-drip system. The anti-drip system prevents unnecessary dripping of the soap so that you do not have to wipe any spilt liquid. It uses high-level anti-leakage and waterproof technology to prevent the soap from corroding the circuit. It has a large opening, hence it is easy to refill and is very ideal for liquid soaps, lotions and sanitisers. The infrared motion sensor is precise and has a PIR sensing technology that detects the hand when you put it under the sensor and will automatically dispense liquid soap. This touchless Sanitiser Dispenser is a great asset and safe device that can be used during COVID-19 times. Since it is touchless, it is safe and reliable and any possibility of germ transfer is cancelled.