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Instead of using 6–8 Arduino digital pins for the LCD, you only need \u003cstrong\u003eSDA and SCL\u003c\/strong\u003e — freeing up valuable Arduino pins for other sensors and modules. Solder directly onto the LCD’s 16-pin header.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIC: \u003cstrong\u003ePCF8574\u003c\/strong\u003e | Interface: \u003cstrong\u003eI2C\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eI2C address: \u003cstrong\u003e0x20–0x27\u003c\/strong\u003e (3 address jumpers, 8 selectable)\u003c\/li\u003e\n\u003cli\u003eCompatible LCDs: \u003cstrong\u003eHD44780 16x2 and 20x4 character LCDs\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupply voltage: \u003cstrong\u003e3.3–5V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBacklight control: \u003cstrong\u003eYes (on-board transistor)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eContrast adjustment: \u003cstrong\u003eOn-board potentiometer\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLibrary: \u003cstrong\u003eLiquidCrystal_I2C Arduino library\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eReduces LCD wiring from 8 pins to 2\u003c\/strong\u003e — SDA + SCL only, freeing Arduino pins\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e8 selectable I2C addresses\u003c\/strong\u003e — use up to 8 LCD displays on one I2C bus\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eOn-board contrast pot\u003c\/strong\u003e — adjust LCD contrast without external components\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eBacklight control\u003c\/strong\u003e — turn backlight on\/off via software\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eLiquidCrystal_I2C library\u003c\/strong\u003e — drop-in replacement for standard LiquidCrystal library\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eArduino 16x2 LCD display with I2C (2-wire) interface\u003c\/li\u003e\n\u003cli\u003e20x4 LCD display for Arduino data logging and menus\u003c\/li\u003e\n\u003cli\u003eMulti-LCD display projects using I2C address selection\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi I2C LCD display interface\u003c\/li\u003e\n\u003cli\u003eReducing pin usage on Arduino Nano and Pro Mini projects\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45672304640235,"sku":"","price":10.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/LCD-I2C-Daughter-Board-Module-1.jpg?v=1723008921"},{"product_id":"pwm-signal-generator-module-1hz-50khz-adjustable-duty-cycle","title":"PWM Signal Generator Module — 1Hz–50kHz, Adjustable Duty Cycle, Arduino","description":"\u003ch2\u003ePWM Signal Generator Module — 1Hz–50kHz, Adjustable Duty Cycle, Arduino\u003c\/h2\u003e\n\n\u003cp\u003eA compact \u003cstrong\u003ePWM signal generator module\u003c\/strong\u003e producing adjustable PWM signals from \u003cstrong\u003e1Hz to 50kHz\u003c\/strong\u003e with \u003cstrong\u003e0–100% duty cycle control\u003c\/strong\u003e — all adjustable via onboard potentiometers. Generate PWM signals for \u003cstrong\u003emotor speed control, LED dimming, servo testing, and PWM circuit development\u003c\/strong\u003e without writing any code. The module outputs a clean, stable PWM signal that can drive MOSFETs, motor drivers, and other PWM-controlled devices directly.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFrequency range: \u003cstrong\u003e1Hz–50kHz\u003c\/strong\u003e (adjustable via potentiometer)\u003c\/li\u003e\n\u003cli\u003eDuty cycle: \u003cstrong\u003e0–100%\u003c\/strong\u003e (adjustable via potentiometer)\u003c\/li\u003e\n\u003cli\u003eOutput voltage: \u003cstrong\u003e0–5V PWM signal\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupply: \u003cstrong\u003e5V DC\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOutput current: \u003cstrong\u003eup to 30mA (direct drive)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDisplay: \u003cstrong\u003eLED frequency indicator\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy a Dedicated PWM Generator?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eNo code required\u003c\/strong\u003e — adjust frequency and duty cycle with potentiometers\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWide frequency range\u003c\/strong\u003e — 1Hz to 50kHz covers most PWM applications\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIndependent frequency and duty cycle\u003c\/strong\u003e — adjust each parameter separately\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eStable output\u003c\/strong\u003e — crystal-controlled for consistent PWM signal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDC motor speed control via MOSFET or motor driver\u003c\/li\u003e\n\u003cli\u003eLED brightness dimming control\u003c\/li\u003e\n\u003cli\u003eServo motor testing and calibration\u003c\/li\u003e\n\u003cli\u003ePWM circuit development and testing\u003c\/li\u003e\n\u003cli\u003eFan speed control\u003c\/li\u003e\n\u003cli\u003ePower supply switching frequency testing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45672967405803,"sku":"","price":14.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/PWM-Signal-Generator-Module.jpg?v=1723007820"},{"product_id":"pwm-signal-generator-panel-mount-module-1hz-50khz-display","title":"PWM Signal Generator Panel Mount Module — 1Hz–50kHz, Adjustable, Display","description":"\u003ch2\u003ePWM Signal Generator Panel Mount Module — 1Hz–50kHz, Adjustable, Display\u003c\/h2\u003e\n\n\u003cp\u003eA \u003cstrong\u003epanel-mount PWM signal generator module\u003c\/strong\u003e with \u003cstrong\u003edigital frequency display\u003c\/strong\u003e, producing adjustable PWM signals from \u003cstrong\u003e1Hz to 50kHz\u003c\/strong\u003e with \u003cstrong\u003e0–100% duty cycle control\u003c\/strong\u003e. The panel-mount format with integrated display makes this ideal for \u003cstrong\u003ebench instruments, test equipment enclosures, and permanent installations\u003c\/strong\u003e where a professional front-panel appearance is required. Adjust frequency and duty cycle via front-panel potentiometers while the display shows the current frequency.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFrequency range: \u003cstrong\u003e1Hz–50kHz\u003c\/strong\u003e (adjustable via potentiometer)\u003c\/li\u003e\n\u003cli\u003eDuty cycle: \u003cstrong\u003e0–100%\u003c\/strong\u003e (adjustable via potentiometer)\u003c\/li\u003e\n\u003cli\u003eDisplay: \u003cstrong\u003eDigital frequency display (shows current frequency)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOutput voltage: \u003cstrong\u003e0–5V PWM signal\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupply: \u003cstrong\u003e5V DC\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFormat: \u003cstrong\u003ePanel mount\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePanel Mount vs Standard Module\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePanel mount (this model)\u003c\/strong\u003e: Integrated display + panel cutout mount — for bench instruments and enclosures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard module\u003c\/strong\u003e: PCB mount — for breadboard and prototype use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDIY bench PWM signal generator instrument\u003c\/li\u003e\n\u003cli\u003eMotor speed controller front panel\u003c\/li\u003e\n\u003cli\u003eLED dimmer control panel\u003c\/li\u003e\n\u003cli\u003ePWM test equipment enclosure\u003c\/li\u003e\n\u003cli\u003eFan speed controller panel mount\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45672971862251,"sku":"","price":32.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/PWM-Signal-Generator-Panel-Mount-Module.jpg?v=1723007811"},{"product_id":"mcp2562-can-bus-transceiver-1","title":"MCP2562 CAN Bus Transceiver","description":"\u003cp\u003e\u003cspan\u003eProvides interface between bus controller and the physical CAN bus\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp\u003eThe MCP2562 is a 2nd generation high-speed CAN transceiver.  It provides the interface between a CAN protocol controller and the physical 2-wire CAN bus.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003ePACKAGE INCLUDES:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMCP2562-E\/P CAN Bus Transceiver DIP IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eKEY FEATURES OF MCP2562:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 1Mb\/s bus speed\u003c\/li\u003e\n\u003cli\u003eUp to 112 nodes\u003c\/li\u003e\n\u003cli\u003e5V Operation\u003c\/li\u003e\n\u003cli\u003e3.3 and 5V logic compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCAN stands for Controller Area Network and it is often thought of as primarily an automotive communication bus since it is the standard for use with automobiles to connect all the electronics and sensors together and is brought out to the outside world via the ODB-II interface.\u003c\/p\u003e\n\u003cp\u003eThe CAN bus is in fact a good communication bus for many applications that use multiple distributed MCUs which need to interact with each other such as in factory automation or robotics.\u003c\/p\u003e\n\u003cp\u003eThe key features of the CAN bus is that it uses only 2 wires for bus communications and all MCUs connect to these same 2 wires.\u003c\/p\u003e\n\u003cp\u003eThis IC is used to provide the interface for connecting a built-in CAN bus controller as found in some of the more advanced MCUs like the Teensy 4.1, to the physical differential bus lines that connect the different MCUs on the bus.\u003c\/p\u003e\n\u003ch3\u003eCAN Bus Hardware Connections\u003c\/h3\u003e\n\u003cp\u003eThe physical bus consists of two end nodes which sit at the two ends of the bus.  A cable of twisted pair wire which is usually shielded connect the two nodes.  For bench-top type use, any 2 wires will work to connect the nodes.   As the bus length increases or the environmental electrical noise increases, using twisted pair and adding shielding becomes more important.\u003c\/p\u003e\n\u003cp\u003eThe end nodes have a 120 ohm resistor that terminate the two ends of the bus.\u003c\/p\u003e\n\u003cp\u003eOther nodes can be added between the two end nodes.  These can be spliced in-line or attached to the main bus using a short stub cable as long as the length is kept under 12″.  These additional nodes do not use a 120 ohm termination resistor.\u003c\/p\u003e\n\u003cdiv id=\"attachment_6454\" class=\"wp-caption aligncenter\"\u003e\n\u003cimg decoding=\"async\" aria-describedby=\"caption-attachment-6454\" class=\"wp-image-6454 size-full entered lazyloaded\" src=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2.jpg\" alt=\"MCP2515 Wire Diagram\" width=\"544\" height=\"172\" data-lazy-srcset=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2.jpg 544w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-300x95.jpg 300w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-280x89.jpg 280w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-400x126.jpg 400w\" data-lazy-sizes=\"(max-width: 544px) 100vw, 544px\" data-lazy-src=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2.jpg\" data-ll-status=\"loaded\" sizes=\"(max-width: 544px) 100vw, 544px\" srcset=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2.jpg 544w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-300x95.jpg 300w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-280x89.jpg 280w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-400x126.jpg 400w\"\u003e\n\u003cp id=\"caption-attachment-6454\" class=\"wp-caption-text\"\u003eTypical CAN Bus Arrangement\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eIC Connections\u003c\/h3\u003e\n\u003cp\u003e\u003cimg decoding=\"async\" class=\"alignright size-full wp-image-10918 entered lazyloaded\" src=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2021\/03\/MCP2652-Pinout.jpg\" alt=\"MCP2652 Pinout\" width=\"198\" height=\"121\" data-lazy-src=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2021\/03\/MCP2652-Pinout.jpg\" data-ll-status=\"loaded\"\u003eConnections to this IC are pretty straightforward.  The IC is powered from 5V on the Vdd pin and ground on the Vss pin.\u003c\/p\u003e\n\u003cp\u003eThe voltage of the I\/O is controlled by the voltage applied to the Vio pin.  If this is being used with a 5V MCU, the Vio can be connected to Vdd.  If it is being used with a 3.3V MCU, Vio should be connected to 3.3V.\u003c\/p\u003e\n\u003cp\u003eThe MCU connects to the Txd \/ Rxd pins.  Txd connects to the transmit data output of the CAN bus controller while Rxd connects to the receive data input on the CAN bus controller.\u003c\/p\u003e\n\u003cp\u003eThe physical CAN bus connects to the CANH \/ CANL pins.  CANH output drives the high-side of the CAN differential bus lines.  The CANL output drives the low-side.  CANH is connected to other CANH and CANL are connected to other CANL.  The transceivers at the two ends of the physical bus should have 120 ohm load resistors placed between CANH and CANL.\u003c\/p\u003e\n\u003cp\u003eStandby is internally pulled HIGH and is enabled by default.  Standby puts the IC into a low power partial sleep mode.  For normal operation, pull the STBY pin LOW or tie to ground if standby mode is not going to be used.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTxd \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Transmit Data Input from MCU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVss \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVdd \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Supply Voltage (4.5 – 5.5V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRxd \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Receive Data Out to MCU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVio \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Digital I\/O Supply Pin.  For 3.3V MCU, connect to 3.3V.  For 5V MCU connect to 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCANH \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  CAN Bus H connection.  CANH connects to CANH on other transceivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCANL\u003c\/strong\u003e  =  CAN Bus L connection.  CANL connects to CANL on other transceivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTBY \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Standby Mode Input.  Pull LOW to disable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOUR EVALUATION RESULTS:\u003c\/h2\u003e\n\u003cp\u003eThe CAN Bus is an underutilized bus and well worth exploring in the context of a distributed MCU system as it allows more of the system architecture to be moved to the software side of the equation which increases flexibility.  You don’t see cars having to have their CAN bus rewired every time some module is changed to add or remove a feature.  It is also very robust in order to survive the harsh automotive environment.\u003c\/p\u003e\n\u003cp\u003eThese chips work well for adding the final link between the CAN bus controllers that are often present on more advanced MCUs and the physical bus wires.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNotes: \u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003ci\u003eNone\u003c\/i\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch2\u003eTECHNICAL SPECIFICATIONS\u003c\/h2\u003e\n\u003ctable class=\"table table-hover\" width=\"862\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003cstrong\u003e Operating Ratings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003e\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e     Vdd\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eRange\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e4.5V to 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e     Vio\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eRange\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e1.8V to 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e     Icc\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eTypical recessive current\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e5mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eTypical dominant current\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e45mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eTypical standby current\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e5uA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003cstrong\u003eDatasheets\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eMicrochip\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e\u003ca href=\"https:\/\/ww1.microchip.com\/downloads\/en\/DeviceDoc\/20005167C.pdf\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan\u003e\u003cstrong\u003eMCP2562\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!----\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674469196011,"sku":"","price":3.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/MCP2562EP-High-Speed-CAN-Transceiver_dede80cd-fe65-429c-9f4b-e105d53cd144.jpg?v=1723007385"},{"product_id":"mcp2562fd-high-speed-can-bus-transceiver-1","title":"MCP2562FD High-Speed CAN Bus Transceiver","description":"\u003cp\u003e\u003cspan\u003eProvides interface between bus controller and physical CAN bus\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp\u003eThe MCP2562FD is a high-speed CAN transceiver that operates at up to 8Mbps.  It provides the interface between a CAN protocol controller and the physical 2-wire CAN bus.  It has the same features as the MCP2562 but supports higher bus speeds required for CAN FD.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003ePACKAGE INCLUDES:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMCP2562FD-E\/P CAN Bus Transceiver DIP IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eKEY FEATURES OF MCP2562FD:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 8Mb\/s bus speed\u003c\/li\u003e\n\u003cli\u003eUp to 112 nodes\u003c\/li\u003e\n\u003cli\u003e5V Operation\u003c\/li\u003e\n\u003cli\u003e3.3 and 5V logic compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCAN stands for Controller Area Network and it is often thought of as primarily an automotive communication bus since it is the standard for use with automobiles to connect all the electronics and sensors together and is brought out to the outside world via the ODB-II interface.\u003c\/p\u003e\n\u003cp\u003eThe CAN bus is in fact a good communication bus for many applications that use multiple distributed MCUs which need to interact with each other such as in factory automation or robotics.\u003c\/p\u003e\n\u003cp\u003eThe key features of the CAN bus is that it uses only 2 wires for bus communications and all MCUs connect to these same 2 wires.\u003c\/p\u003e\n\u003cp\u003eThis IC is used to provide the interface for connecting a built-in CAN bus controller as found in some of the more advanced MCUs like the Teensy 4.1, to the physical differential bus lines that connect the different MCUs on the bus.\u003c\/p\u003e\n\u003ch3\u003eCAN Bus Hardware Connections\u003c\/h3\u003e\n\u003cp\u003eThe physical bus consists of two end nodes which sit at the two ends of the bus.  A cable of twisted pair wire which is usually shielded connect the two nodes.  For bench-top type use, any 2 wires will work to connect the nodes.   As the bus length increases or the environmental electrical noise increases, using twisted pair and adding shielding becomes more important.\u003c\/p\u003e\n\u003cp\u003eThe end nodes have a 120 ohm resistor that terminate the two ends of the bus.\u003c\/p\u003e\n\u003cp\u003eOther nodes can be added between the two end nodes.  These can be spliced in-line or attached to the main bus using a short stub cable as long as the length is kept under 12″.  These additional nodes do not use a 120 ohm termination resistor.\u003c\/p\u003e\n\u003cdiv id=\"attachment_6454\" class=\"wp-caption aligncenter\"\u003e\n\u003cimg decoding=\"async\" aria-describedby=\"caption-attachment-6454\" class=\"wp-image-6454 size-full entered lazyloaded\" src=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2.jpg\" alt=\"MCP2515 Wire Diagram\" width=\"544\" height=\"172\" data-lazy-srcset=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2.jpg 544w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-300x95.jpg 300w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-280x89.jpg 280w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-400x126.jpg 400w\" data-lazy-sizes=\"(max-width: 544px) 100vw, 544px\" data-lazy-src=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2.jpg\" data-ll-status=\"loaded\" sizes=\"(max-width: 544px) 100vw, 544px\" srcset=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2.jpg 544w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-300x95.jpg 300w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-280x89.jpg 280w, https:\/\/protosupplies.com\/wp-content\/uploads\/2018\/11\/MCP2515-Wire-Diagram-2-400x126.jpg 400w\"\u003e\n\u003cp id=\"caption-attachment-6454\" class=\"wp-caption-text\"\u003eTypical CAN Bus Arrangement\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eIC Connections\u003c\/h3\u003e\n\u003cp\u003e\u003cimg decoding=\"async\" class=\"alignright size-full wp-image-10918 entered lazyloaded\" src=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2021\/03\/MCP2652-Pinout.jpg\" alt=\"MCP2652 Pinout\" width=\"198\" height=\"121\" data-lazy-src=\"https:\/\/protosupplies.com\/wp-content\/uploads\/2021\/03\/MCP2652-Pinout.jpg\" data-ll-status=\"loaded\"\u003eConnections to this IC are pretty straightforward.  The IC is powered from 5V on the Vdd pin and ground on the Vss pin.\u003c\/p\u003e\n\u003cp\u003eThe voltage of the I\/O is controlled by the voltage applied to the Vio pin.  If this is being used with a 5V MCU, the Vio can be connected to Vdd.  If it is being used with a 3.3V MCU, Vio should be connected to 3.3V.\u003c\/p\u003e\n\u003cp\u003eThe MCU connects to the Txd \/ Rxd pins.  Txd connects to the transmit data output of the CAN bus controller while Rxd connects to the receive data input on the CAN bus controller.\u003c\/p\u003e\n\u003cp\u003eThe physical CAN bus connects to the CANH \/ CANL pins.  CANH output drives the high-side of the CAN differential bus lines.  The CANL output drives the low-side.  CANH is connected to other CANH and CANL are connected to other CANL.  The transceivers at the two ends of the physical bus should have 120 ohm load resistors placed between CANH and CANL.\u003c\/p\u003e\n\u003cp\u003eStandby is internally pulled HIGH and is enabled by default.  Standby puts the IC into a low power partial sleep mode.  For normal operation, pull the STBY pin LOW or tie to ground if standby mode is not going to be used.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTxd \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Transmit Data Input from MCU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVss \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVdd \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Supply Voltage (4.5 – 5.5V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRxd \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Receive Data Out to MCU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVio \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Digital I\/O Supply Pin.  For 3.3V MCU, connect to 3.3V.  For 5V MCU connect to 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCANH \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  CAN Bus H connection.  CANH connects to CANH on other transceivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCANL\u003c\/strong\u003e  =  CAN Bus L connection.  CANL connects to CANL on other transceivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTBY \u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e=  Standby Mode Input.  Pull LOW to disable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOUR EVALUATION RESULTS:\u003c\/h2\u003e\n\u003cp\u003eThe CAN Bus is an underutilized bus and well worth exploring in the context of a distributed MCU system as it allows more of the system architecture to be moved to the software side of the equation which increases flexibility.  You don’t see cars having to have their CAN bus rewired every time some module is changed to add or remove a feature.  It is also very robust in order to survive the harsh automotive environment.\u003c\/p\u003e\n\u003cp\u003eThese chips work well for adding the final link between the CAN bus controllers that are often present on more advanced MCUs and the physical bus wires.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNotes: \u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003ci\u003eNone\u003c\/i\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch2\u003eTECHNICAL SPECIFICATIONS\u003c\/h2\u003e\n\u003ctable class=\"table table-hover\" width=\"862\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003cstrong\u003e Operating Ratings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003e\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e     Vdd\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eRange\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e4.5V to 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e     Vio\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eRange\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e1.8V to 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e     Icc\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eTypical recessive current\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e5mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eTypical dominant current\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e45mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eTypical standby current\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e5uA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"145\"\u003e\u003cstrong\u003eDatasheets\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"264\"\u003eMicrochip\u003c\/td\u003e\n\u003ctd width=\"229\"\u003e\u003ca href=\"https:\/\/ww1.microchip.com\/downloads\/en\/DeviceDoc\/20005284A.pdf\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan\u003e\u003cstrong\u003eMCP2562FD\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!----\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45674470047979,"sku":"","price":6.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/MCP2562FD-High-Speed-CAN-Transceiver_c2495e64-7a54-4003-9d25-370db8c9324e.jpg?v=1723007381"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/collections\/image_413c4e89-494d-4f26-9046-6ca32298d4e9.png?v=1776225384","url":"https:\/\/keszoox.com\/collections\/electronic-modules.oembed?page=3","provider":"Keszoox","version":"1.0","type":"link"}