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Tiny ESP32-C3 Robot with DRV8833 and Python Joystick Control
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Wheely: A Minimalist Two-Wheel Robot

stanislav-britanishskiiStanislav Britanishskii

Using 5 BJT (BC547) I built a small, cheap and easy class C QRP pre amplifier for HF bands. Adding two MOSFETs you can get about 10W
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1-30 MHz 0.5-1W (or up to 10W) class C amplifier

guido-iw5alzGuido - IW5ALZ

A music keyboard that is key-agnostic and microtone-friendly
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Isomorphic keyboard

rich-holmesRich Holmes

LoRa mesh weather station: Raspberry pi Pico W ingests UDP, sends via Meshtastic to Pi, stores in SQLite, syncs to AWS with retries
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Meshtastic Weather Station

brahm-schultzBrahm Schultz

a Robot dog build with fully custom BLDC actuators
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Robot Dog

alexisAlexis

this is a 6DOF robot arm made with steppers motors
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Robot Arm ACURA

alexisAlexis

A fully custom 24-quadrant clock inspired by Humans since 1982 ClockClock 24
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Clock 24

francesco-comiFrancesco Comi

A Birdhouse with Internet
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LoRaWAN Birdhouse

jan-schlieperJan Schlieper

A versatile clock board that provides an adjustable astable clock (0.7 - 480 Hz) and a monostable pulse (110 ms). Insert your own parts!
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Terrific Timer: a customizable 555-timer!

nijssenNijssen

An 8-bit Full Adder, with Accumulator to store one operand. Do binary addition (and subtraction) together with the 8-bit Workbench™.
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Byte Adder Subtractor

nijssenNijssen

Enjoy short circuit protection. Have both +3.3V and +5V at hand. Clearly separates data input and output of your prototype. With goodies.
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Super Breadboard

nijssenNijssen

Garden133 is a DIY garage door automation system using ESP32, sonars,relays, and HMMs, with Home Assistant integration.
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Garage133: ESP32 device for garage door automation

chris-leeChris Lee

Robot Locomotion Playground with Simple Mechanism
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Trotpaw

erin-robotzwrrlErin RobotZwrrl

An affordable AND useful FPGA board for all. Finally.
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Crystal Board - FPGA Platform for All

chrisChris

An Adafruit feather compatible 4-slot baseboard with onboard debug and programmable wiring
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fizzit

gregorGregor

Gamma spectrometer using scintillation crystal and SI PIN photodiode
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PIN Photodiode Gamma Spectrometer

robert-gawronRobert Gawron

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