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STM32 Blue Pill – Black Pill Screw Terminal Adapter, LDO, RTC Battery Backup
The only screw terminal module specifically designed for STM32 development modules. A CR1220 coin cell can keep the STM32’s internal RTC running.
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Atmega328P-PU Arduino bootloader installed DIP-28
Atmega328P-PU Arduino bootloader installed DIP-28 Original Arduino Uno R3 controller chips, 100% compatible with Arduino IDE.
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