Raspberry Pi 5 and kitsRaspberry Pi 4 and kitsRaspberry Pi 3B+ and kitsRaspberry Pi 400/500Raspberry Pi Zero and accessoriesRaspberry Pi PicoRaspberry Pi CMScreens for Raspberry PiRaspberry Pi Camera modulesCases for Raspberry PiHAT extension for Raspberry PiRaspberry Pi 3/2/+ accessoriesPower Supply for Raspberry PiRaspberry Pi memory cards with NOOBS
STM32 MicrocontrollersATmega microcontrollersFlipper ZeroTeensy - ARMAdafruit FeatherESP8266 / ESP32 WiFi ModulesM5Stack controller and accessories
Security camerasTuya Smart LifeBlitzWolfGate Automation SystemsBleBox WiFi Smart SwitchHousehold FansSwitchBotSmart LightingSmart SensorsClimate ControlSmart PlugsSmart Control DevicesSmart Locks and Access ControlSmart devices for petsHealth and personal care productsSmart Home Accessories
Sensors - modulesWireless Communication ModulesRelay modulesLCD/OLED/TFT DisplaysMotor controllersProgrammers and convertersConnectorsSwitchesVoltage RegulatorsBasic Starter KitPrototypingAudio Amplifiers / Speakers / OtherLED DiodesPassive electronic componentsActive electronic componentsElectromagnets and solenoidsCoolingWearable electronics and materials
Servo motors and accessoriesDC motorsStepper motorsVibration MotorsBrushless Motors and ControllersElectric Linear Actuators and CylinderWater pumpsStepper Motor MountsWheels and mounting parts for motors
AC voltage stabilizerAdjustable Lab Power SuppliesInverters DC/ACUninterruptible power supplyAlkaline BatteriesRechargeable batteryPower Supply AccessoriesBattery Chargers Ni-Mh / Ni-Cd / Li-Ion / Li-Pol / Li-FeLi-Ion battery charging and balancing boardsAC/DC Mains powers supply adapterPower Supplies AC/DCConnection Cables, ExtendersBatteries for power toolsPlug adapter EU/UK/USCharger for Electric Bikes
Soldering toolsBattery Welding Machines and accessoriesMeasuring equipmentChemicalsTweezersElectric toolsScrewdrivers and wrenchesHot Glue GunPlier and cutting nipperInsulation removal and crimping toolKnives and scissorsElectric engraver toolsMagnifying glassesInsulating materialsFlashlightPlastic enclosureStorage boxes and OrganizersUltrasonic cleanersLabel printersAIRCELL Air Cushion
CNC machines and accessoriesAluminum Extrusion ProfilesLinear ActuatorBrackets and Other Accessories for Aluminium ProfilesLinear guides and garriagesRollers on supportsTrapezoidal Screws and NutsLinear Steel RodsLinear bearingsBearingsTiming BeltsTiming PulleyLinear Rod SupportSpindle motors, converters and mount bracketsScrews and NutsCable ChainsDrills and Cutters
AEON Laser Engraving Cutting MachineFiber Metal Marking LaserCO2 Galvo engraving-marking machineUV Marking machineFLUX Laser Engraving Cutting MachinexTool LASER AND BLADE CUTTING MACHINEDiode laser engraving laserLaser machine spare parts and accessoriesEngraving MaterialsLightBurn Software
3D Printers3D scanner3D Pens3D Printing filamentsSLA 3D Printing resin3D Printer maintenance and cleaning3D Printer parts
Educational kits for beginnersEducational kits for advancedSNAP CIRCUITS kitsAbilix Krypton roboticsRobobloq roboticsLEGO Education
USB cablesVideo cables and connectorsUSB HUBComputer network cablesNetwork equipmentData storages and their accesoriesAudio cables and connectorsSpeakers activeKeyboard and MouseMicrophonesGamingLaptop AcessoriesComputer Power SuppliesCable OrganizersMonitorsWebcamsProjectorsUPS Uninterruptible power supplyOther Computer Accessories
Power BankHeadphonesMobile phone chargersPhone casesSelfie stickSmart WatchesPhone batteriesPortable speakers
Jump StartersCar Dash CamerasPhone holdersCarPlay and Android AutoMotorcycle IntercomsUSB car chargersCar FM modulatorEV Car accessoriesCar StorageCar diagnostic equipmentCar Cleaning ToolsMini CompressorsParking HeatersCar fuses and holdersLight sources
PCF8574 - GPIO pin expander - I2C - STEMMA QT/Qwiic - Adafruit 5545
Brand: Adafruit
Product Code: AN-21909
Availability: 4-6 business days
Planned delivery date after ordering: 2025-05-06
Product Code: AN-21909
Availability: 4-6 business days
Planned delivery date after ordering: 2025-05-06
Ex Tax: 8.60€
A lead expander by Adafruit equipped with the PCF8574 chip. It has 8 analog I/O GPIO pins, thanks to which increases the design possibilities of the modules used. It communicates via the I2C bus and has 3 configurable interface addresses. The expander supply voltage is in the range of 3 V to 5 V DC.
Specification:
Specification:
- Type: GPIO pins expander
- Built-in chip: PCF8574
- Number of I/O: 8
- Communication interface: I2C bus
- Interface address: 0x20
- Supply voltage: 3 V to 5 V DC
- Conclusions:
- STEMMA QT/Qwiic connectors
- solder pads (goldpin connectors for self-soldering are included in the set)
- Module dimensions: 25.5 x 17.7 x 4.6 mm
- Weight: 1.7 g
- PCF8574 - GPIO pins expander - I2C - STEMMA QT/Qwiic - 1 pcs
- Goldpin strip 1x16 pin - 2.54 mm raster - 1 pcs