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bobu

General purpose engineer.

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This user joined on 02/12/2021.

My Projects

Try an analog method

Voltage controlled oscillator

Trying to get a 455kHz sweep signal out of a PIC MCU

IF sweep from PIC16F18345 NCO

Use an oscilloscope and a glass diode to test RF emission from a car remote

Test car remotes with a scope

A really old project with 4 TIL311 displays

TIL311 debug display

Use lazy concurrency in TinyGo to blink LEDs. Sleep without blocking.

TinyGo blinks LEDs concurrently

Make 2-phase PWM to drive a transformer power supply circuit

2-Phase PWM with ATMEGA328P

View all 7 projects

Projects I Like & Follow

Hackaday Prize 2019

Very new chip by Microchip(Atmel) ATmega4809 has a very unique CPLD like logic and also promised to be applied to next Arduino, why not try!

ATMega4809 developing board project

A tiny low voltage tube guitar amp!

The Milli-Amp

kris-slyka Kris Slyka

The 2018 Hackaday Prize

A convenient adapter to view the electrical grid waveform through your PC's sound card.

Grid-2-Audio

david-scholten David Scholten

Fully open source remote control for common electric skateboards using the NRF24L01+

Open esk8 Remote - v1

timo-birnschein Timo Birnschein

a hardware sampler based on the raspberry pi running bare metal (so no Linux)

openSampler

A version of the classic arcade game Asteroids using a laser projector running on the ESP32.

Laser Projected Asteroids on the ESP32

chris-g Chris G

Resto-Mod Dungeons and Dragons Digital Dice Tower based on a 1975 Bell & Howell IMD-202 Digital Multimeter

1978 "Heathkit" D&D Digital Dice Tower

john-anderson John Anderson

The 2018 Hackaday Prize

The Firefly is a DIY $5 hardware wallet for the Ethereum blockchain, with a secure air-gapped solution that is mobile-friendly.

Firefly Hardware Wallet

richard-moore Richard Moore

2021 Hackaday Prize

A new kind of Jerry can for water transport for rural areas that ease the pain for the person carrying the load with lower cost.

Anteneh’s Jerry Can

anteneh-gashaw Anteneh Gashaw

Aiming for a low cost but high quality way of copying from super 8 cine film to a modern digital format.

Super 8 digitiser

themekon The_Mekon

ARM based Motion Controller for CNC, 3D-printer, Laser-cutter,.. 6 Axis, Helical, S-Profile

Mooov Motion Controller

pascal-roobrouck Pascal Roobrouck

Two digit (8 bit) hex display using a PIC16F18446 microcontroller

Dual 7 Segment Hex Display Module

john-lonergan John Lonergan

Tiny audio PCBs

Yummy AD/DA Cookie

garygru GaryGru

Would you like a quality stereo microscope for your hobbies, but you can't afford or justify the cost of a new one ? I have a solution.

Stereo Microscope For Around $100 !

Mini UPDI Programmer (jtag2updi) for megaAVR and tinyAVR Microcontrollers based on ATtiny1604

Mini UPDI Programmer Stick

stefan-wagner Stefan Wagner

Automatic Turn On After Power Up for Teufel Audio Receiver and Subwoofer

Audio Receiver & Subwoofer - Auto On

6 channel wave synth, Teensy 3.2 and Audio Board

Binaural Beat Synthesizer

Open source near-field probes for EMC precompliance testing

Open Field Probe

jeremy-ruhland Jeremy Ruhland

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