03:47

5 September 2025

01:49

29 August 2025

03:44

28 August 2025

03:30

Kenwood 701a mixer with high speed constantly on repaired with .068uF X2 capacitor.

02:08

Commodore 1541 belt slippage comparison

03:09

1541 Disk drive with 400x gain turned on

00:59

Sidekick20 HDMI / RF output cycle accurate test2

00:11

Sidekick20 HDMI / RF output cycle accurate test2 Ms Pacman HDMI issues

00:17

Sidekick20 HDMI / RF output cycle accurate test1

06:56

Commodore 1541 disk drive R/W head sensitivity using oscilloscope

04:58

Testing 1541 factory R/W head on an oscilloscope 2_6_2024

00:27

15 December 2023(1)

00:22

15 December 2023(2)

00:09

15 December 2023(5)

00:05

15 December 2023(1)

00:04

15 December 2023(2)

00:11

15 December 2023(3)

00:59

15 December 2023

00:10

15 December 2023

01:23

14 December 2023

01:11

14 December 2023

00:39

14 December 2023

00:17

MVI 5456

00:39

MVI 5470

00:42

testing pin 24 of 6510 CPU Chip in a C64 motherboard 250425 rev

00:18

8 April 2021

00:24

8 April 2021

01:51

Commodore VIC-20 Character ROM using an EPROM

01:11

Testing NEC 2732 EPROM as a Commodore VIC 20 Character ROM replacement

06:30

Test of 3 different VIC 20 CharROM PCB boards in Japanese VIC 20

01:31

Untitled Bees swarm 10 10 2

03:41

VIC 20 CharROM PCB board test 1

01:32

VIC 20 CharROM PCB board test 2

02:22

21 August 2020

01:03

Triggering a glitch at 1.5v on a Winbond PLA substitute

15:27

Testing of various EPROM based PLA substitute on an unmodified c64 ku-14194hb16 May 2020

02:52

TL866 mini pro performing High Voltage Parallel programming

01:57

Covid 19 faceshield frames easy de lamination from the stack.

01:08

Covid 19 face shield parts ABS filament 6 stack printing

01:37

Covid 19 3d faceshield upgrade modification on Prusa I3 - continued....

02:58

Covid 19 3d faceshield upgrade modification on Prusa I3

01:13

Making face shield parts for 3Done FDM

03:07

Untitled Project 20191018 151705 Testing the trigger level on a Commodore factory PLA rotated 180de

03:07

20191018 1517051 Testing the trigger level on a Commodore factory PLA

16:53

20191018 131446 Observations with several Commodore PLA substitutes

03:28

20191016 175024 A physical work around on the generic probes on a Tektronix 2430A oscilloscope.

02:39

20191014 122038 C64 Assy 250425 board testing signals on pin 1 of MOS 6510 CPU

05:20

20191009 162625 Testing a Winbond W27C512 EEPROM based PLA substitiute in C64 assy 250407 board

01:31

20191007 115044 Tektronix 2430A Oscilloscope reading frequency above 1 GHz

12:31

20191007 143639 Oscilloscope test of EPROM based PLA substitiutes......

07:07

20120625 165505 SwinSid replica Running with EPROM based PLA substitute

03:44

20120413 114619FAKE ST27C512 90B1 eslapion's PLA test circuit w Motorola 27LS279 on Veroboard

02:04

20120413 124535Commodore Factory PLA eslapion's PLA test circuit on Veroboard w Motorola 27LS279

04:58

20120330 080354 Winbond 27C512 45 BOARD#250425 with Logic probe

01:54

20120330 081553 The Ultimate PLA BOARD 250425 with Logic probe

04:58

20120330 083339 FAKE ST M27C512 90B1 BOARD 250425 with Logic probe

05:10

20120410 093048Commodore Factory PLA Veroboard PLA TESTER

05:00

20120410 085002The Ultimate PLA Veroboard PLA TESTER

04:59

20120410 083043Winbond PLA on Veroboard PLA TESTER

02:35

20120305 092217 KU 14194HB Board #2 Testing Commodore Factory PLA (update)