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keithaheuer

i am born curious and a natural tinker

irvine ca 92614

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This user joined on 08/15/2021.

Projects I Like & Follow

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

Hackaday.io Project

Set an hc-05 bluetooth module to master mode to send serial data to another module.

Communication between two hc-05 Bluetooth modules

Drive an elcheapo TM1638 display unit using an ESP8266

ESP8266 Driving an ebay TM1638 Button/7seg display

Official Hackaday Prize Entry

To dive a little deeper into eletronics and arduino programming, I created an 4x4x4 RGB Led Cube. Bluetooth is still to be done.

IoT RGB Led Cube 4x4x4 with Bluetooth

increasing my cyborg-ness (2008 - present)

Bluetooth Headphones for Hearing Aids

gertlex Gertlex

24-bit stereo DAC which is specially built for Raspberry Pi boards. This R-2R DAC delivers the clear audio output with minimum configuration

24-bit Stereo Audio DAC for Raspberry Pi

dilshan-jayakody Dilshan Jayakody

Stereo, 9 to 24 Vdc external supply.

~ 10 Watt audio amplifier

carbonosilcio carbono.silício

Control and automate your electrical appliances from long distances(Kms) without the presence of the internet. This is possible through LoRa

Control Home Appliances Over LoRa | LoRa Remote

akarshagarwal98

Control 8 relays with WiFI + Bluetooth + Manual Switch using ESP32 and Blynk App. Explained with circuit & source code.

ESP32 WiFi + Bluetooth + Manual control 8 relays

Successfully adding external audio to the badge "on a breadboard" but then bricking it when adding it permanently.

Hacking the LayerOne 2017 badge for audio... #fail

Make a LoRa based Remote Controller that can control devices from several kilometres away without any Internet through LoRa.

LoRa Based Remote Controller | Control devices

akarshagarwal98

Simple pcb that control air conditioner over the internet

ESP8266 AC Controller

boris-shabanov Boris Shabanov

In this project I build a smaller version of my previous GNSS module. The main features are: LiPo battery, USB, active antenna, bluetooth

GNSS module 2.0 - GNSS via Bluetooth

A simple way to get A/V signals out of your RadioShack Color Computer using its onboard A/V to RF connections.

RadioShack Color Computer Composite Video/Audio

Bits