20mm DD LED Driver ADV20MMDDFET v1.0

2 layer board of 0.79x0.79 inches (20.04x20.04 mm).
Shared on January 4th, 2015 03:25.

Basic 20mm direct drive FET based LED driver, PWM on ATtiny13a PB1 (pin 6), 4.3v zener, reverse polarity protection. NO low voltage or thermal protection.

U1: ATtiny13a or equivalent

FET (U2): Infineon BSC010NE2LSI n-channel MOSFET (8-PowerTDFN package)

D1: rectifier diode (BAV116W-7-F) or jumper

D2: 4.3v zener diode (MMSZ5229B-TP)

C1: 4.3 - 10uf

R1: 200ohm

Center positive connection allows for direct connection between emitter and positive spring braid. 2mm wide ground rings with additional 1mm clearance to components.

Bench tested, not tested in light

Order board. Download. Permalink. Embed order link.

Button Light Assembly v0.1

2 layer board of 2.21x2.21 inches (56.11x56.11 mm).
Shared on January 4th, 2015 03:08.

Button Light Assembly v0.1

Order board. Download. Permalink. Embed order link.

PEQ Two Band

2 layer board of 1.69x1.43 inches (42.93x36.32 mm).
Shared on January 4th, 2015 02:50.

PTH version of two band EQ

Order board. Download. Permalink. Embed order link.

[don't use] [untested] 17mm A17DD-SO8 w/ ALT LAYOUT v041

2 layer board of 0.67x0.67 inches (17.02x17.02 mm).
Shared on January 4th, 2015 02:35.

Replacement: https://oshpark.com/shared_projects/SQs9Pu4O

alt layout

I made a mistake with the vias and GND ring, do not use.

Order board. Download. Permalink. Embed order link.

[untested] 17mm QX7136 v016 - 0805 sense resistors

2 layer board of 0.67x0.67 inches (17.02x17.02 mm).
Shared on January 4th, 2015 02:02.

Order board. Download. Permalink. Embed order link.