00:52

high altitude balloon launch - SSTP team SWAG

01:26

flasher microchip pc communication prototype #1

03:09

frequency counter gen2.avi

03:57

Frequency Counter Hacked to add USB

03:32

$3 DIY slow speed logic analyzer - too slow

05:52

$3 DIY slow speed logic analyzer

07:19

hacking a frequency counter - part 1

02:36

bidirectional microcontroller / PC communication through sound card

03:51

Permeability Tuned Oscillator (PTO) Working Nicely

09:08

screw adjusted voltage controlled oscillator

09:01

dental lab advice - mixing and pouring stone casts from impressions (1 of 2).avi

13:54

dental lab advice - mixing and pouring stone casts from impressions (2 of 2).avi

14:45

dental lab advice - types of stone for pouring casts from impressions.avi

04:24

dental lab advice - preparing casts for mounting on an articulator.avi

05:00

dental lab advice - pouring stone casts of impressions via beading and boxing

02:01

dental lab advice - properly indexing stone casts

03:26

high altitude balloon transmitter working

02:02

cheap frequency counter2

05:11

cheap frequency counter for amateur radio

03:17

17m cq portable

01:56

30m CQ QSO

09:11

Spring Break QTH 2 - long wire dipole, belgium QSO

02:22

Random 12m and 10m contacts with homemade antenna

02:50

AJ4VD spring break QTH / dipole antenna

06:47

student rx.avi

01:42

prototype receiver works

06:15

Simple-case amateur radio circuit

02:53

frequency counter attached to 40m receiver

03:31

Homebrew Frequency Counter for Amateur Radio Using A Multiplexed Display and an ATMega16

02:41

Simple Amateur Radio Receiver Prototype

11:03

GARC W4DFU Summary 2008.avi

01:32

GARC APRS Satellite Portable April 2008.avi

04:03

GARC Portable Satellite Operation April 2008 AO51.avi

10:06

GARC Satellite Station Operation Introduction

08:18

GARC HF Radio Operation

04:58

homebrew transceiver live reception test

01:30

MVI_5010.AVI

01:41

sa602 qrp receiver homebrew.avi

01:21

Homebrew 30m 40m 80m QRP Amateur Radio Transmitter

03:25

Rapid Fire Mouse Hack

08:40

QRSS Stacker software demo

02:51

QRSS Stacker software demo 2

05:36

QRSS Stitcher software demo

01:35

smk

05:39

Crystal oven with an ATTiny44a's comparator and thermistor

03:57

Class C Amplifier - working a little bit

04:44

PWM in CKOUT pt 4 - amplified 2n7000 style

02:27

pwm3.avi

02:35

PWM signals in CKOUT of ATTiny44A pt 2

01:31

PWM signals in CKOUT of ATTiny44A

00:36

Microcontroller Powered Prime Number Generator

05:17

DIY ECG Data Analysis

02:30

Biomedical Computing - ImageJ - Automatic generation of thumbnails

07:22

Biomedical Computing - Heart Rate Variability with Chart 5

02:56

Biomedical Computing - ImageJ - Scripting Example

08:38

Biomedical Computing - Photoshop - Chart Editing Example

00:33

Homemade ECG While Playing Counterstrike

03:44

DIY PC ECG using a Sound Card

03:01

Python Powered Radio Frequency Activity Logger

05:51

Microcontroller Powered Prime Number Generator Finished