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B082LTHR28 Price: $11.49 Score: 1000.000 Category: Electronics Rating: 4.4 Votes: 14 Find similar products HiLetgo PCF8523 Real Time Clock RTC Breakout Module PCF8523 Real Time Clock Assembled Breakout Board 3.3V 5V Time Clock for Arduino. Description: The PCF8523 is simple and inexpensive but not a high precision device. It may lose or gain up to 2 seconds a day. For a high-precision, temperature compensated alternative, please check out the DS3231 precision RTC . If you need a DS1307 for compatibility reasons, check out our DS1307 RTC breakout. This is a great battery-backed real time clock (RTC) that allows your microcontroller project to keep track of time even if it is reprogrammed, or if the power is lost. Perfect for datalogging, clock-building, time stamping, timers and alarms, etc. Equipped with PCF8523 RTC - it can run from 3.3V or 5V power & logic. Note: This product does not come with a CR1220 coin cell battery. We recommend you purchase a coin cell battery to use with this product. Package Included: 1* PCF8523 RTC Real Time Clock Breakout Board 1* Pin Header.	B07XY2STMF Availability: Currently unavailable Score: 8.475 Category: Electronics Rating: 4.1 Votes: 14 Find similar products MELIFE 5Pcs DS3231 AT24C32 Clock Module, Real Time Memory Board Clock Module IIC RTC Module DS1307 for Arduino Without Battery. .
B07T6Y93NB Price: $12.53 Score: 6.579 Category: Electronics Rating: 3.4 Votes: 10 Find similar products SparkFun (PID 15353 Nano Power Timer - TPL5110. Sometimes we want our projects on, but sometimes we want to turn them off for a while to save power. The SparkFun Nano Power Timer will run while only consuming minimal power (approximately 35nA) and turn your project on after a set amount of time. When you are done polling your sensors, posting data to the web, writing to your logger, or planning world domination, your microcontroller can tell the Nano Power Timer to turn off the power. No more running your microcontroller all day when you only want to read the ambient temperature once per hour. The TPL5110 delay is configured with the use of resistors. We've added a six-way DIP switch to select one of the five preinstalled resistors. The sixth switch is attached to a pad to add your own PTH (or SMD) resistor. The delays associated with the preinstalled headers are shown on the bottom of the board for quick setup. Additionally, you can select more than one switch to combine the resistors in parallel (up to 26 options not including the custom resistor), check out the hookup guide for a nice chart as to the total resistance and corresponding delay for each combination. The Nano Power Timer can handle voltages between 1.8V and 5.5V as well as current up to 1.1A with times from 100ms to two hours (preconfigured settings range from 30s to 2h). You will find a button on the board which will allow you a quick override to the delay so you can turn your project on whenever you like.	B00ISKT7JY Availability: Currently unavailable Score: 6.579 Category: Electronics Rating: 2.5 Votes: 3 Find similar products Tontec UNO R3 Board ATmega328P with USB Cable for Arduino - Compatible With Arduino UNO R3 Mega 2560 Nano Robot. UNO R3 Atmega328p Development Board + USB Cable Compatible with Arduino UNO R3 Mega 2560 Nano Robot. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. Technical Specifications Microcontroller: ATmega328 Operating Voltage: V5 Input Voltage (recommended): 7-12V Input Voltage (limits): 6-20V Digital I/O Pins: 4 (of which 6 provide PWM output) Analog Input Pins: 6 DC Current per I/O Pin: 40mA DC Current for 3.3V Pin: 50mA Flash Memory: 32 KB (ATmega328) of which 0.5 KB used by bootloader SRAM: 2 KB EEPROM: 1 KB Clock Speed: 16 MHz Please.
B07SZ8YVTW Price: $19.99 Score: 6.494 Category: Electronics Rating: 3.3 Votes: 9 Find similar products Adafruit 4101 Adafruit MCP9600 I2C Thermocouple Amplifier - K, J, T, N, S, E, B and R Type T. Thermocouples are very sensitive, requiring a good amplifier with a cold-compensation reference. The Adafruit MCP9600 does all that for you, and can be easily interfaced with any microcontroller or single-board-computer with I2C. Inside, the chip handles all the analog stuff for you, and can interface with just about any thermocouple type: K, J, T, N, S, E, B and R type are all supported! You can also set various alerts for over/under temperature, and read the thermocouple (hot) temperature and the chip (cold) temperature. All this over common I2C This breakout board has the chip itself, a 3.3V regulator and level shifting circuitry, all assembled and tested. Works great with 3.3V or 5V logic. Comes with a 2 pin terminal block (for connecting to the thermocouple) and pin header (to plug into any breadboard or perfboard). Match it up with our 1m K-type thermocouple. Works with any K, J, T, N, S, E, B and R type thermocouple Datasheet rated for: K Type: -200°C to +1372°C J Type: -150°C to +1200°C T Type: -200°C to +400°C N Type: -150°C to +1300°C E Type: -200°C to +1000°C S Type: +250°C to +1664°C B Type: +1000°C to +1800°C R Type: +250°C to +1664°C Resolution of ±0.0625 °C - note that K thermocouples have about ±2°C to ±6°C accuracy Internal temperature reading 3.3 to 5v power supply and logic level compliant I2C data connection.	B0085J9996 Availability: Currently unavailable Score: 6.410 Category: Electronics Rating: 3.7 Votes: 12 Find similar products SainSmart IIC LCD1602 Module Display For Arduino UNO MEGA R3New. NOTE:The link is the documents about SainSmart IIC LCD1602 Module Display. https://s3-ap-northeast-1.amazonaws.com/sain-amzn/20/20-011-916/IIC1602.rar This is another great yellow-green backlight LCD display. As the pin resources of Arduino controller is limited, your project may be not able to use normal LCD shield after connected with a certain quantity of sensors or SD card. However, with this I2C interface LCD module, you will be able to realize data display via only 2 wires. If you already has I2C devices in your project, this LCD module actually cost no more resources at all. It is fantastic for Arduino based project. Specification I2C Address: 0x3F Backlight (Black character on Yellow-green background) Supply voltage: 5V Size: 82x35x18 mm Come with IIC interface, which can be connected by DuPont Line Package List: 1x IIC/I2C/TWI 1602 Serial LCD Module.
B0C3C3JZ2Q Price: $12.99 Score: 6.098 Category: Electronics Rating: 4.3 Votes: 246 Find similar products Mini Nano V3.0 ATmega328P Microcontroller Board w/USB Cable for Arduino. Note: Before running the procedure, pls install the corresponding computer system driver. Drivers: directly from the chip manufacturer: WCH 340 product home page: http://www.wch.cn/product/CH340.html http://www.wch.cn/download/CH341SER_LINUX_ZIP.html (linux should operate fine without the driver) http://www.wch.cn/download/CH341SER_MAC_ZIP.html http://www.wch-ic.com/download/list.asp?id=127 (windows) http://bit.ly/2pMF4in ATmega328 Microcontroller Microcontroller ATmega328P-AU Fully Compatible to Arduino Nano V3.0 ATmega328P-AU Input Voltage (recommended) 7V-12V;Input Voltage (limits) 6V-20V Bootloader installed, ready to upload sketches from Arduino software Analog Input Pins 8 Operating Voltage 5V DC Current per I/O Pin 40 mA DC Current for 3.3V Pin 50 mA Digital I/O Pins 14 (of which 6 provide PWM output) Flash Memory 32 KB (ATmega328) of which 2 KB used by bootloader SRAM 2 KB EEPROM 1 KB Clock Speed 16 MHz Cable Length:245mm Dimention:Approx. 45x17x19mm Color:Blue(as the picture shows) Package: 1 x Nano V3.0 ATmega328P Arduino Compatible Board 1 x Mini USB Cable.	B07KDNMTSF Price: $18.99 Score: 6.024 Category: Electronics Rating: 4.3 Votes: 19 Find similar products 2 pcs GENUINE RobotDYN PWM Ac Programmable Light Dimmer 110V - 220V AC Module Controller Board For Arduino, STM, ARM, AVR, Raspberry Compatible 50/60hz With HeatSink 3.3V/5V Logic from 110V Ac to 220V. .
B07XFZ5XS5 Availability: Currently unavailable Score: 6.024 Category: Electronics Rating: 3.5 Votes: 2 Find similar products KNACRO IIC I2C TWI 1602 Serial Blue Backlight LCD Module for UNO R3 MEGA2560 16 X 2, 1602 White Letters on Blue Display-(Pack of 2). Displays 2-lines X 16-characters.Backlight (White character on Blue background). With Backlight, the backlight can be turned on or off via a jumper cap. Contrast can be adjusted with a blue potentiometer, clockwise and counterclockwise. Power supply: DC 2.5-6V; You can connect directly to board. Module dimension: 82mm x 36mm x 15mm. Viewing area size: 64.5mm x 16mm. Weight: 35g. IIC/I2C interface was developed to reduce the IO port usage on board. I2C Address: 0x3F or 0x27 The device address can be modified by connecting: A0/A1/A2. The default is 0x3F or 0x27 (can be obtained by scanning); Address modification instructions (take the default address 0x27 as an example) A0, A1, A2 all disconnected address is 0c27; A0 connection: the address is modified to: 0x26; A1 connection: the address is modified to: 0x25; A3 connection: the address is modified to: 0x23; ...... A0, A1, A2 all links, the address is modified to: 0x20; How to connect: GND: POWER -; VCC: POWER -; SDA: IIC data line; SCL: IIC clock line; Old 1602 screen requires 7 IO ports but this module uses only two. Much needed control panel IO ports can be used to add some sensors, SD card and so on. Package List: 2x IIC/I2C/TWI 1602 Serial LCD Module.	B07XVYBR9Y Availability: Currently unavailable Score: 5.988 Category: Electronics Rating: 4.3 Votes: 59 Find similar products Arduino Nano V3.0, Nano Board CH340/ATmega328P Without USB Cable, Compatible with Arduino Nano V3.0. Input and OutputEach of the 14 digital pins on the Nano can be used as an input or output, using pinMode(), digitalWrite(), and digitalRead() functions. Some pins have specialized functions:Serial: 0 (RX) and 1 (TX). Used to receive (RX) and transmit (TX) TTL serial data. These pins are connected to the corresponding pins of the CH340G USB chip. The Nano is a small, complete, and breadboard-friendly board based on the ATmega328 (Nano 3.x). It has more or less the same functionality of the official UNO, but in a different package. It lacks only a DC power jack, and works with a Mini-B USB cable instead of a standard one. You could download the driver of Nano V3.0 . ATTENTION: We dont have USB cables in this kit and you will need to buy a mini USB cable to use this NANO board. Package Include : 3 X Nano Board PCB Size: 18 x 45 mm Weight: 7 g.