Close
0%
0%

oldhan

uP system, Audio DIY, bicycle stuff

Taiwan
Following
Send a private message
Similar accounts worth following
2 Followers
3 Following
0 Projects
0 Likes
oldhan
Send a private message

This user joined on 11/12/2017.

Things I've Built

Digital IC tester

Telphone DTMF Control SW

Digital Function generator

Digital R/C meter

89s52 voice clock

Road Bike

Tube Earphone Amp

RS-232 51/EPROM/FLASH/PIC Programmer

12.8k
126
8
102
A one stop shop with fixed 5V/12V/24V/USB metered power, adjustable power supply, voltmeter, continuity tester and basic oscilloscope.
Project Owner Contributor

Basic Hacker MultiBench

john-gilmourJohn Gilmour

9.6k
94
14
89
A 3D printed compact and customizable linux terminal
Project Owner Contributor

TechNIK's Cyberdeck

nik-reitmannNik Reitmann

8.3k
109
23
121
Plastic covered photo cells + Supercapacitor with unlimited life
Project Owner Contributor

ArmaLamp - Armageddon resistant night lamp

bobriciusbobricius

5.7k
61
10
60
6502 based learning in a familiar form factor
Project Owner Contributor

65uino

anders-nielsenAnders Nielsen

4.4k
22
4
18
In this project, I built a very simple 4 bit RISC CPU. *Sponsored by PCBway
Project Owner Contributor

The simplest 4-bit RISC CPU

marsianin245Marsianin245

4.1k
8
2
10
My 'enhanced' IV curve tracer with eight ranges, supporting two DUT.
Project Owner Contributor

Octopus I V Curve Tracer

donna-laroccoDonna LaRocco

4k
20
16
29
CMOS Homemade Operational Amplifier module and a photo detector using it.
Project Owner Contributor

CMOS Homemade Operational Amplifier

mitsuru-yamadaMitsuru Yamada

3.4k
36
6
45
This is a 31 Segments Cistercian Display capable of displaying a number from 0 to 9999 with RGB segments.
Project Owner Contributor

31 Segments RGB Cistercian Display

josue-alejandroJosue Alejandro

3.4k
29
4
26
Sticking 2 magnets and one piezo stack, you can make a nanoresolution piezo motor in 10 seconds
Project Owner Contributor

Hacking any linear slide/bearing into piezo motor

edwin-hwuEdwin Hwu

3.3k
31
0
28
Low cost, understandable, easy to use sampler with true Lo-fi sound powered by Arduino and legacy voice recorder chip.
Project Owner Contributor

OpnBeat / DIY Lo-fi Sampler with ISD1700 series

hiro-akihabaraHiro Akihabara

3.2k
34
5
31
A spin coater is used to spread a thin layer of liquid on a flat surface to a very precise thickness, like photoresist on a PCB.
Project Owner Contributor

DIY Spin Coater

jeroen-delcourJeroen Delcour

3k
34
2
34
RAIN Personal Supercomputer Portable
Project Owner Contributor

RAIN PSP

jasongullicksonjason.gullickson

2.1k
8
3
10
Easy way to upgrade your 80C32/8052AH-BASIC single-board computer into a VHDL based 8052AH-BASIC using a FPGA without a device programmer!
Project Owner Contributor

8052AH-BASIC single-board computer

mit41301mit41301

1.7k
15
1
16
A HomeBrew Intel 80286 computer with ISA ports
Project Owner Contributor

Intel 80286 HomeBrew Computer

dominic-emond-belangerDominic Emond-Belanger

1.6k
10
0
9
Turn any room into a home theater.
Project Owner Contributor

Projector Lift for Home Theaters

sam-bakerSam Baker

471
4
1
6
Recreating a 555 timer based Class D PWM amplifier I first built in the '80s.
Project Owner Contributor

Class D Amplifier TLC555 Timer Based PWM Audio Amp

steven-j-greenfieldSteven J Greenfield

371
2
0
4
Make wifi door lock by yourself, open/close door lock by Phone. This project is based on ESP8266
Project Owner Contributor

WIFI door lock DIY

engineer2youengineer2you

209
7
0
8
Programmable Macro Pad with NeoPixels
Project Owner Contributor

CH552 MacroPad mini

stefan-wagnerStefan Wagner

View all

Share this profile

Share

Bits

Anders Nielsen wrote 01/06/2024 at 17:59 • point

Thank you for liking my #65uino !

  Are you sure? yes | no

Mitsuru Yamada wrote 10/17/2023 at 06:27 • point

Thank you for liking my #CMOS Homemade Operational Amplifier! It was interesting to compare the characteristics of this op-amp with the bipolar type.

  Are you sure? yes | no

Thomas wrote 02/21/2022 at 06:19 • point

Thanks for the "follow" of #W1209 Data Logging Thermostat !

  Are you sure? yes | no

Ken Yap wrote 07/09/2020 at 14:08 • point

Thanks for your interest in #Adventures with a STC89C52 development board 

  Are you sure? yes | no

Send a private message to oldhan

Become cool instantly

Create your Hackaday.io profile like oldhan and many others

Going up?

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

© 2024 Hackaday

Report user as inappropriate

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