OSH Park
Shared projects
Lipoalarm3cellRev3
by
Grenite.
2
layer board of
1.72x0.79
inches
(43.61x20.12
mm).
Shared on
January 4th, 2017 01:34.
ARINC 429/717 Converter
by
sjm.
2
layer board of
1.98x1.98
inches
(50.27x50.27
mm).
Shared on
January 4th, 2017 01:01.
Cyclone II FPGA encoding and decoding ARINC 429 & 717. FTDI USB interface.
Ultra-Micron 4.08
by
shodan.
2
layer board of
1.78x0.91
inches
(45.11x23.11
mm).
Shared on
January 3rd, 2017 22:41.
Vintage soviet radiation counter
BLF driver DDm-M6/SRK [rev01a][untested]
by
DEL.
2
layer board of
1.82x1.82
inches
(46.20x46.20
mm).
Shared on
January 3rd, 2017 22:12.
BLF flashlight driver for M6/SRK lights, DD+m
Features
- 46 mm diameter.
- Two channel output: Direct drive + 350 mA regulator LED driver.
- R5, R3, R4, C2 for enhanced stability.
- Oversized heat plane for the 7135 with good thermal link to the ground ring.
- Generous 0603 pad sizes through-out that will accept 0805 parts as well.
- Universal MCU pads, Tiny13-Tiny85 all fit.
- Generous wire pads for emitters, e-switch and side indicator LED.
Revision changes
- Fix text on back
- Move and enlarge extra ground pad
Suggested parts list
- U1: Atmel Attiny25, SSU or SSN package
- U2: 7135 350 mA LED driver
- Q1: Vishay SiR800DP
- C1: 10 uF, X5R or better, 0603 or 0805
- C2: 100 nF, X7R or better, 0603
- D1: Schottky diode, 200 mA 20 V or better, 0805 or SOD323
- R1: 330 kohm, 1%, 0603
- R2, R3: 100 kohm, 1%, 0603
- R4: 47 ohm, 5%, 0603
- R5: 4.7 ohm, 5%, 0603
SIDEx.brd
by
adtbm.
2
layer board of
1.84x2.15
inches
(46.69x54.61
mm).
Shared on
January 3rd, 2017 21:07.