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Ricardo

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This user joined on 06/26/2017.

My Projects

Convert a rear bike light into a USB rechargeable one.

USB rechargeable bike light.

ricardo Ricardo

Old handheld terminal for sending orders over the phone. Instructions manual missing.

MSI/55 handheld terminal modem

ricardo Ricardo

Supplyframe DesignLab: 2022 Hackada…

A simple circuit to tell if it is hotter or cooler outside or at home.

Differential thermometer

ricardo Ricardo

Projects I Like & Follow

2021 Hackaday Prize

LVDS, eDP, connectors and controllers - let's learn it all

All About Laptop Display Reuse

Follow for the 'Hacklet' and latest news about hackaday.io

Hackaday.io Project

EasyIoT framework is cheap, reliable, secure IoT framework build from Raspberry Pi, Arduino and various sensors and transcivers.

EasyIoT framework

easyiot EasyIoT

Hackaday Prize 2019

Environmental sensing for everyone.

FieldKit

shah-selbe Shah Selbe

The 2016 Hackaday Prize

Using an open source platform to investigate the "readiness potential" and what it says about human free will

Arduino, EEG, and Free Will

patrick-glover Patrick Glover

The 2018 Hackaday Prize

This project started when my digger obsessed son said 'Daddy can you make me an Excavator?' So I thought sure how hard can it be....

Plywood Excavator

alex-lovegrove Alex Lovegrove

Build a complete LW, MW and SW (AM and SSB) radio with the Si4735 / SI4732 and Arduino.

Si4735 SSB Receiver Controlled by Arduino

ricardo-lima-caratti Ricardo Lima Caratti

The 2016 Hackaday Prize

Custom Android app to send commands over to nRF24L01+ receivers with 4-channel PWM capability to control LED strips.

nRF24L01+ network to control lights

Transmit radio signals using just a serial port? You bet!

Serial Port SDR

ted-yapo Ted Yapo

The 2017 Hackaday Prize

Could a digital device to analyze the statistics of the magnitude and 3-D origins of seismic noise predict some local earthquakes?

Device for Seismic Noise Analysis

michael-doody Michael Doody

SBHT is a data/digital voice radio capable of greater than 4 watts of power initially on the VHF Ham bands.

SBHT - VHF DIGITAL RADIO

shane-burrell Shane Burrell

Using a Raspberry pi 3b+ and RTL-SDR Dongle to make a Digital Police Radio.

Raspberry Pi Digital Police Scanner

An "effect box" which works as octave-down effect (halves input frequency). No internal oscillator involved, no PLL, just analog maths!

Analog oscilator-less octave-down effect box

ms-boss MS-BOSS

Hall effect sensor detects the proximity of magnetic field, and "pushes" the pendulum in the exact moment.

Magnetic Pendulum

This new modem is build based on the NPR project from f4hdk. It is a compatible hardware with additional features like PoE, LNA and PA.

NPR-H New Packet Radio Modem

Exploring the FL2k USB-to-VGA dongle for signal generation

FL2k Experiments

ted-yapo Ted Yapo

Open source greenhouse automation system: soil moisture, temperature, wind speed sensing, remote or automated window/door/watering control.

Open Greenhouse

This is a classical OTL (Output Transformerless) headphone amplifier base on popular 6AS7GA and E88CC double triode

OTL - Headphone tube amplifier 6AS7GA and E88CC

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