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      • Arduino Board
      • Arduino Shields
      • Arduino Based Board
      • Other Arduino-Supported AVR
    • ARM Cortex-M
      • STM32
      • ATSAMD
      • Other Cortex-M
    • PIC
    • STM8 and APP
    • CLPD / FPGA
    • 8051 MCU
    • Single Board Computer (SBC, RPI)
    • RPI Shield HAT, Accessories
  • Power
    • AC-DC
    • DCDC Boost Step-up
    • DCDC Buck Step-down
    • Battery Charger
    • Breadboard Power, Load
    • Power Plug, Battery Holder
    • Source Solar Wireless
  • Breakout
    • USB – UART TTL, ISP PROG
    • Interface
      • Current-Loop
      • Other Bus
    • Connectivity
      • IO / I2C / UART / SPI / PWM / ADC
      • USB HID / CDC / CAN / I2S
      • RS-232 / RS-422 / RS-485
    • Programmer
      • IC Socket Programmer
      • MCU Programmer Debugger
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    • Playback, Decode, Recorder
    • RTC Memory
    • Op-Amp, Logic, Buffer, Signal, TIM
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      • Sub-1GHz
      • 2.4GHz
      • RF-LINK
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      • ESP32
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      • Other WIFI
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      • BLE-Mesh
      • Bluetooth Audio
      • Bluetooth Data
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    • FM
    • LORA
  • Network
    • Ethernet
    • Mobile
      • GSM GPRS
      • 3G 4G LTE
      • LWPA NBIOT / LTE-M
    • Tracker
    • RFID, NFC, etc
    • Antenna
    • Infrared IR
  • Interactive
    • LCDs
      • Parallel 8/16 bits / RGB LCD
      • Char / Graphic / Segment LCDs
      • I2C / SPI Interface LCD
      • HMI / Serial / USB
      • HDMI / LVDS
      • Arduino Display Shield
      • Projects LCD Module
    • LEDs
      • Single LEDs
      • LED Strips
      • Matrix Panel / 7 Segment Display
    • OLED, E-Paper
    • Input
      • Switch / Button
      • Keypad
    • LED Display Driver, Printer
  • Sensors
    • Aaccelerometer Magnetometer Gyroscope Barometer Compass
    • Lightness / RGB / Color / UV
    • Liquid / Moisture / Rain / Gas
    • Sound / Voice / Frequency
    • Temperature, Humidity, Pressure
    • Weight / Strain
    • Proximity / TOF / Ultrasonic / PIR / Microwave
    • Heart Rate / ECG / Oximeter
    • Camera
    • Voltage / Current / Power
  • Actuator
    • Encoder / EndStop
    • Driver Board
    • Relay / Mosfet Control
    • Speaker / Buzzer / Piezo
    • TRIAC / Tune
    • Cooler / Pump
    • Motor / Stepper / Servo
  • Prototype
    • Prototype Case
    • Prototyping Cables
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      • Heater, Cooler, etc
      • Heat Sink
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RTC Memory

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    RTC Memory

    RTC Real Time Clock Module BL5372
    0 out of 5
    $2.20
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    OLED, E-Paper, RTC Memory

    OLED RTC EEPROM MISC Pack Board IIC Utility
    0 out of 5
    $3.70
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    RTC Memory

    MicroSD SD Card Module w/Logic Shifter For Arduino
    0 out of 5
    $0.90
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    RTC Memory, USB HID / CDC / CAN / I2S

    USB to MicroSD Card Reader GL823
    0 out of 5
    $0.90
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    RTC Memory

    SPI Flash Breakout Board, WinBond W25Q64FVSSIG 64M-bit
    0 out of 5
    $1.10
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    RTC Memory

    [chip-hold]DS3231 RTC Breakout Board R2
    0 out of 5
    $2.70
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    RTC Memory

    SD TF MicroSD Card Module
    5.00 out of 5
    $0.80
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    RTC Memory

    AT24C256 (256Kb) EEPROM Data Module (I2C Bus)
    4.00 out of 5
    $1.50
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    RTC Memory

    DS1302 RTC module w/CR1220 Holder
    0 out of 5
    $0.80
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    RTC Memory

    RTC Time + EEPROM + Charging + Reseved DS18B20 Module, DS1307, I2C
    4.50 out of 5
    $1.00
  • Out of stock
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    RTC Memory

    SD Card Module
    4.00 out of 5
    $0.90

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