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Projects Don Pratt likes and follows

1.3k
872
25
Small USB 2FA authenticator for up to 32 profiles
Project Owner Contributor

Hardware 2FA TOTP authenticator

itzandroidtabitzandroidtab

33.6k
407
402
A low-power E-Paper weather display powered by an ESP32 microcontroller. Utilizes the OpenWeatherMap API.
Project Owner Contributor

ESP32 E-Paper Weather Display

lmarzenlmarzen

13.7k
85
77
A tool to design highly customizable handouts, quick reference and much more for your Dungeons and Dragons (or other P&P) Sessions
Project Owner Contributor

Thermal Printing meets Dungeons & Dragons

daniel-sDaniel S.

8.2k
80
86
Smartwatch wearable, ultra-long life measured in years, no need to recharge.
Project Owner Contributor

Smartwatch 10 Years Ultra-Long Battery Life

valentineVALENTINE

8k
61
59
Learn how to build your own brushless motor and control it with a Brushless Biz Card!
Project Owner Contributor

Brushless Motor and Driver Business Card Kit

andy-geppertAndy Geppert

2.2k
59
44
Ultra low power device without batteries, zero maintenance, everlasting and environment friendly
Project Owner Contributor

Supercaps Solar Panel project

gosGos

5.1k
59
49
Step-by-Step guide on how Lithium Battery charger circuit works and full assitance for DIY protect charger through USB port.
Project Owner Contributor

DIY Protected Lithium Battery Charger (TP4056)

diy-guy-chrisDIY GUY Chris

12.4k
43
30
The multi-channel power supply (5 Channels up to 100W) solution designed to transform a standard USB port into a flexible energy source.
Project Owner Contributor

Fusion USB PD Power Box

suleymanSuleyman

4.5k
42
43
A fully custom Arduino E-Paper BLE clock in a 3D Printed case using nRF52832 with one year run time one a single 18650
Project Owner Contributor

Triink - low power BLE E-Paper Clock

aaron-christophelAaron Christophel

3.6k
39
48
A small digital multimeter specifically for measuring SAO related stuff
Project Owner Contributor

SAO Digital Multimeter

thomas-flummerThomas Flummer

2.3k
37
33
Gardening Made Smarter, Easier, and Greener!
Project Owner Contributor

Smart Garden

jonJon

2.8k
30
41
A surplus LED matrix utilization endeavor
Project Owner Contributor

REST: Kitchen timer

mkdxdxmkdxdx

2.9k
29
27
Animated Avatar On a Business Card
Project Owner Contributor

CardTuber

river-wangRiver Wang

3.2k
23
39
Use this to distract your customers. This one will stay on top of their desks instead of getting lost in a drawer.
Project Owner Contributor

Integrated Game Business Card

dan-schnurDan Schnur

1.4k
17
14
We upgraded our first etch a sketch robot and made it faster. Now it can auto erase and generate timelapses!
Project Owner Contributor

BLDC Etch Robot can draw over 1000 pictures a day!

alexchunlinalexchunlin

980
15
18
An iconic machine boosted to the highest level (Hires, 512KB user RAM, video shadow RAM, zx81 mode...)
Project Owner Contributor

Mercury Ace (not only another Jupiter Ace clone)

wilco2009wilco2009

1.2k
13
16
"Etch A Sketch" style frame and function for the badge from Hackaday Supercon 2023
Project Owner Contributor

Hack A Sketch

jeremygeppertjeremy.geppert

940
12
17
Put a bit of colorful randomness on your clothes !
Project Owner Contributor

Dice badge

pierre-loup-mPierre-Loup M.

686
11
19
A full adder built from discrete BJT transistors, hand soldered on perfboard
Project Owner Contributor

Discrete 4-bit adder

ryanRyan

736
4
8
Chiptunes and simple musical games on a 36 cent chip. Some assembly required.
Project Owner Contributor

Attiny10 Chiptunes

legionlabsLegionlabs

408
0
3
Animatronic Halloween pumpkins that feature sound and light effects and an animatronic eye to make it even more spooky.
Project Owner Contributor

Animatronic Halloween Pumpkins

nicolas-perozziNicolas Perozzi

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