Shared Projects by dword1511

Shared Projects by dword1511

usbmicro-dual-supply

2 layer board of 1.12 x 0.44 inches (28.5 x 11.2 mm)
Uploaded: March 20th 2017
Shared: March 26th 2017
Total Price: $2.45

200mA USB-Micro to +/- 2.5V converter, with LM2776, LP5907-2.5 and TPS72325.

200mA USB-Micro to +/- 2.5V converter, with LM2776, LP5907-2.5 and TPS72325.

Embeddable link to order this shared Project

L272-BTL-Drv

2 layer board of 2.15 x 0.88 inches (54.6 x 22.2 mm)
Uploaded: May 15th 2016
Shared: March 21st 2017
Total Price: $9.40

Embeddable link to order this shared Project

led-sampler-cc

2 layer board of 2.40 x 0.65 inches (61.0 x 16.5 mm)
Uploaded: February 15th 2017
Shared: March 21st 2017
Total Price: $7.80

LED sampler with constant-current drive. Current mirrors ensure each LED is driven by (roughly) the same current. Not for beginners (0603, SOT-363).

Uses Bel 0ZCJ0050AF2E PTC fuse, AP2112-3.3 LDO (for setting reference current precisely, but also supplies the LEDs), 330R resistor sets current …

Show full description

LED sampler with constant-current drive. Current mirrors ensure each LED is driven by (roughly) the same current. Not for beginners (0603, SOT-363).

Uses Bel 0ZCJ0050AF2E PTC fuse, AP2112-3.3 LDO (for setting reference current precisely, but also supplies the LEDs), 330R resistor sets current …

Show full description

Embeddable link to order this shared Project

led-sampler

2 layer board of 2.40 x 0.65 inches (61.0 x 16.5 mm)
Uploaded: December 19th 2016
Shared: January 22nd 2017
Total Price: $7.80

0603 LED sampler

0603 LED sampler

Embeddable link to order this shared Project

lpc810-capmeter

2 layer board of 1.80 x 0.70 inches (45.7 x 17.8 mm)
Uploaded: December 26th 2016
Shared: January 22nd 2017
Total Price: $6.30

LPC810-based capacitance meter, with MCP2221A USB-to-serial converter. See firmware on github photo

LPC810-based capacitance meter, with MCP2221A USB-to-serial converter. See firmware on github photo

Embeddable link to order this shared Project