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In Stock - ICs not included - PCB ONLY This PCB is a low power (3v) DIY electronic musical instrument. An example of a "physical remix". The design was built around experiments with the UM66; producing a simplified version of Für Elise. The instrument uses two UM66 chips both playing the same melody. They modulate one another. The small differences in the component values mea...

In Stock - Overview: this powered adapter connects a standard dual-plug GA headset (PJ-055 headphone plug, PJ-068 mic plug) to one 3.5mm 4-conductor CTIA jack. A TRRS-to-USB-C converter is included. Why not a plain cable: an aviation mic needs bias power and level conditioning that a consumer headset jack doesn't provide. The adapter has that built in, so your boom mic works wi...

In Stock - Pro+ IR Viper Compact IR Upgrade for Flipper Zero Pro+ IR Viper is a hardware modification designed to expand the infrared transmission capabilities of the Flipper Zero in an extremely compact and lightweight format. Equipped with 8 IR LEDs, this board offers a dedicated solution for users who want to enhance the infrared capabilities of their device without using b...

In Stock - **Pocketboard** is an ultra-compact, open-source pocket keyboard and RP2040 development kit built for IT technicians, sysadmins, and hardware tinkerers. Small enough to fit in a pocket or toolbox, it gives you a reliable, programmable HID keyboard and mouse emulator for server rooms, headless setups, and mobile troubleshooting—without lugging around a full-size board....

In Stock - #### What is it? The ESP32-C3 Multi-Band WSPR Beacon Board is a compact, high-precision amateur radio evaluation transmitter designed for automated weak-signal propagation testing across HF bands. Powered by an ESP32-C3 RISC-V System-on-Chip, it integrates an onboard GNSS module for automatic UTC time synchronization, an Si5351A clock generator for 4-FSK signal synthe...