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20masg.gif (42K)

Uploaded Tue Dec 30 2025 06:45 pm

strain-gauge sensor schematic.

 24lamps.pdf (78K)

Uploaded Tue Dec 30 2025 06:45 pm

lamp pseudo-random flasher schematic.

 6KY8.JPG (57K)

Uploaded Mon Jan 05 2026 10:14 pm

 am-tx1.gif (8K)

Uploaded Tue Dec 30 2025 06:45 pm

One tube AM transmitter schematic.

 am-tx2.gif (11K)

Uploaded Tue Dec 30 2025 06:45 pm

High quality AM transmitter schematic.

 am-tx3.gif (10K)

Uploaded Tue Dec 30 2025 06:45 pm

Mid quality AM transmitter.

 ardumics.pdf (102K)

Uploaded Tue Dec 30 2025 06:45 pm

Arduino Micro schematic.

 fmt1-3.rar (16K)

Uploaded Sun Dec 28 2025 11:47 am

Two small FM transmitters
indamp.gif (23K)

Uploaded Tue Dec 30 2025 06:45 pm

Single stacer schematic.

 micttc.gif (21K)

Uploaded Tue Dec 30 2025 06:45 pm

Matchbox in-circuit transistor checker schematic.

 nicad.zip (25K)

Uploaded Sun Dec 28 2025 11:26 am

Nicad battery discharger/ capacity indicator.
nixiedr.rar (23K)

Uploaded Sun Dec 28 2025 11:47 am

Nixid tube driver circuits.
probe.rar (9K)

Uploaded Sun Dec 28 2025 11:37 am

TTL audible logic probe
probe2.gif (9K)

Uploaded Tue Dec 30 2025 06:45 pm

TTL audible logic probe schematic.

 PS3249SA.JPG (105K)

Uploaded Tue Dec 30 2025 06:45 pm

v variable voltage power supply schematic.

 setramp.gif (3K)

Uploaded Tue Dec 30 2025 06:45 pm

SE transistor power amp schematic.

 SHOCKER.ZIP (1K)

Uploaded Sun Dec 28 2025 11:26 am

Make a shocker out of a 9v battary
Planes inside
TDGE325.GIF (20K)

Uploaded Tue Dec 30 2025 06:45 pm

FM wireless microphone schematic.

 TMPCHRG.ZIP (21K)

Uploaded Sun Dec 28 2025 11:26 am

NICD battary Charger that uses
Temperature control and it's a constant current.
uk20090.pdf (913K)

Uploaded Tue Dec 30 2025 06:45 pm

Build the Elektor wheelie. A single axle, two
wheel elec vehicle (segway clone).
USB_PSU.jpg (168K)

Uploaded Tue Dec 30 2025 06:45 pm

USB power injector Rev.