Shared Projects by johnsondavies

Shared Projects by johnsondavies

My Projects

16 LEDs Puzzle

2 layer board of 2.20 x 2.20 inches (55.9 x 55.9 mm)
Uploaded: December 3rd 2021
Shared: December 4th 2021
Total Price: $24.20

A puzzle based on an ATtiny404 (or ATtiny204) in which you have to press the right buttons to light up all the LEDs.

See <http://www.technoblogy.com/show?…

A puzzle based on an ATtiny404 (or ATtiny204) in which you have to press the right buttons to light up all the LEDs.

See <http://www.technoblogy.com/show?…

Embeddable link to order this shared Project

Low-Power LCD Clock

2 layer board of 2.50 x 1.50 inches (63.6 x 38.2 mm)
Uploaded: March 30th 2021
Shared: May 4th 2021
Total Price: $18.80

A very low-power LCD clock, based on an AVR128DA48, capable of running for over three years from a CR2032 button cell, or from a solar cell.

See <http://w…

A very low-power LCD clock, based on an AVR128DA48, capable of running for over three years from a CR2032 button cell, or from a solar cell.

See <http://w…

Embeddable link to order this shared Project

Pocket Op Amp Lab

2 layer board of 2.70 x 1.45 inches (68.7 x 36.9 mm)
Uploaded: February 2nd 2021
Shared: March 9th 2021
Total Price: $19.60

A self-contained tool for experimenting with the configurable op amps in the AVR DB-series.

For more information see <http://www.technoblogy.com/show?3GMO>.

A self-contained tool for experimenting with the configurable op amps in the AVR DB-series.

For more information see <http://www.technoblogy.com/show?3GMO>.

Embeddable link to order this shared Project

Five LEDs Puzzle

2 layer board of 2.50 x 1.00 inches (63.6 x 25.5 mm)
Uploaded: December 17th 2020
Shared: January 4th 2021
Total Price: $12.50

A puzzle based on an ATtiny85 in which you have to press the buttons in the right sequence to light up all the LEDs:

For more information see: <http://ww…

A puzzle based on an ATtiny85 in which you have to press the buttons in the right sequence to light up all the LEDs:

For more information see: <http://ww…

Embeddable link to order this shared Project

Frequency Probe

2 layer board of 2.30 x 0.50 inches (58.5 x 12.8 mm)
Uploaded: October 11th 2020
Shared: December 7th 2020
Total Price: $5.75

A handheld tool that gives a visual indication of the frequency or voltage at the probe.

For more information see: <http://www.technoblogy.com/show?25C4>.

A handheld tool that gives a visual indication of the frequency or voltage at the probe.

For more information see: <http://www.technoblogy.com/show?25C4>.

Embeddable link to order this shared Project