Close
0%
0%

John Hamann

constantly curious

Seattle, WA
Following
Send a private message
Similar accounts worth following
3 Followers
3 Following
3 Projects
17 Likes
john-hamann
Send a private message

This user joined on 11/26/2014.

3k
38
4
8
Measuring device housed in an Altoids tin. Uses a rotary encoder with a wheel to estimate distance and display measurements on an LCD.
Project Owner Contributor

Distance Analyzer 3000

john-hamannJohn Hamann

2.5k
23
0
5
A small device that only uses 1 or 2 74HC595s to help illustrate how shift registers work.
Project Owner Contributor

Shift Register Concept Visualizer

john-hamannJohn Hamann

2.1k
20
0
4
A modern upgrade for a cassette player. The brains android with the feel and function of a vintage Walkman.
Project Owner Contributor

WM-F45 Upgrade (Sony Walkman)

john-hamannJohn Hamann

97.7k
1,354.8k
76
2.1k
Follow for the 'Hacklet' and latest news about hackaday.io
Project Owner Contributor

Hackaday.io Project

lutetiumLutetium

40.3k
216
36
179
ESPlay Micro is an ESP32 Based emulator device for playing retro games, able to play classic games NES, GB, GBC, SMS, Game Gear and more.
Project Owner Contributor

ESPlay Micro

fuji-pebriFuji Pebri

37.2k
721
14
123
An hacker's swiss knife in the form factor of the best phone ever
Project Owner Contributor

1337 3310 tool

mastro-gippoMastro Gippo

16.7k
4.6k
9
107
Pavapro is tiny programmer you can bring anywhere. You can load binary file into it and bring/use it as you wish. And a bit more than that.
Project Owner Contributor

Pavapro - portable AVR programmer

jaromirsukubajaromir.sukuba

12.8k
57
5
39
Ion wind lifters make wind (airflow). Make that wind variable => sound ;-)
Project Owner Contributor

Ion wind loudspeaker experiments

deepsoicDeepSOIC

10.7k
73
25
31
A watch with an OLED display, powered by a Trinket
Project Owner Contributor

Trinket Watch

davishdavish

9.2k
475
1
37
LED strip music visualiser on a jar
Project Owner Contributor

LED Jar

mackemacke

6.7k
83
4
29
Finding open WIFI connections, default setups, and messing with people around you wanting an open wifi connection.
Project Owner Contributor

Shame on you!

bdmBDM

2k
53
7
14
A simple pocket tool to measure and log wind speed and direction.
Project Owner Contributor

Wind Measurement

christopher-kratzChristopher Kratz

1.6k
55
0
9
This project is intended as an entry for the Trinket Everyday Carry Contest. A trinket based, convenient, wearable voice memo recorder
Project Owner Contributor

A Wearable Voice Memo Recorder

coreytoppercorey_topper

72
5
12
Fairly simple portable weather station with temperature, humidity, heat index, barometric pressure, and UV. LCD display and audible alerts.
Project Owner Contributor

Portable Weather Station

triceratops-labsTriceratops Labs

Share this profile

Share

Bits

Send a private message to John Hamann

Become cool instantly

Create your Hackaday.io profile like John Hamann and many others

Going up?

About Us Contact Hackaday.io Give Feedback Terms of Use Privacy Policy Hackaday API

© 2025 Hackaday

Report user as inappropriate

You are about to report the user "John Hamann", please tell us the reason.