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  1. PSPFatSave-Public PSPFatSave-Public Public

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  2. Attiny1616-Dev-Board-with-Auto-UPDI-Serial-Switch Attiny1616-Dev-Board-with-Auto-UPDI-Serial-Switch Public

    . This board features an onboard Auto UPDI / Serial switching circuit, allowing you to program the microcontroller via UPDI and immediately switch to standard UART Serial communication for debuggin…

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    An ultra-low voltage solar harvester using the TLV61070 boost regulator, featuring Constant Voltage (CV) input control to implement a simple "Fixed MPPT" threshold for low-power IoT devices.

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    A hardware tool that automatically switches between standard UART serial communication and UPDI programming modes using USB RTS control, featuring a CH340E bridge and integrated RS2228 analog multi…

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    An automated 12V High-Voltage UPDI programmer featuring true power-cycling hardware and an isolated triple-source power multiplexer tailored for Serial-over-UPDI debugging and external Power Profil…

  6. 1MHz-Dual-Current-Shunt-Amplifier 1MHz-Dual-Current-Shunt-Amplifier Public

    A high-bandwidth (1MHz) dual-range current shunt measurement module featuring integrated 50mΩ and 500mΩ sensing resistors, ultra-low noise OPA2322 amplifiers, and an onboard HX4002 charge-pump powe…