OSH Park
Shared projects
- You need to sign in or sign up before continuing.
UART Single ended to Diff
by
nprecup.
2
layer board of
0.69x0.50
inches
(17.48x12.70
mm).
Shared on
February 5th, 2017 20:23.
Differential to single ended transceiver
BLF driver DDm-22 [rev00][untested]
by
DEL.
2
layer board of
0.88x0.88
inches
(22.33x22.33
mm).
Shared on
February 5th, 2017 16:42.
BLF flashlight driver, 22 mm, DD+m
Features
- 22 mm direct drive + 350 mA regulator LED driver
- No OTC - Intended for e-switch, memory-decay or no-memory firmware.
- R5 to eliminate unintentional Vcc boosting during PWM.
- R3, R4 for stable drive of FET.
- Oversized heat plane for the 7135 with good thermal link to the ground ring.
- Generous 0603 pad sizes that will accept 0805 parts as well.
- Universal package size for MCU. Tiny13-85 fits.
Revision changes
- New
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, 0805
- D1: Schottky diode, 200 mA 20 V or better, 0805 or SOD323
- R1: 22 / 330 kohm, 1%, 0603 (R1, R2 larger values for e-switch lights)
- R2: 4.7 / 100 kohm, 1%, 0603
- R3: 100 kohm, 5%, 0603
- R4: 47 ohm, 5%, 0603
- R5: 4.7 ohm, 5%, 0603
ISPnubMod
by
mgroel.
2
layer board of
1.66x1.66
inches
(42.27x42.27
mm).
Shared on
February 5th, 2017 15:31.
Alternative board for Standalone-Programming AVRs (atTiny/atMega). Based on ISPnub but with more connectors and improved firmware. Generate Firmware to program targets with the ISPnubCreator
BSIDES 2017 Badge Add-On
by
Lokai2000.
2
layer board of
2.25x0.60
inches
(57.25x15.34
mm).
Shared on
February 5th, 2017 14:46.
Custom LEDs for Badges
Arduitsy Coin
by
UDXS.
2
layer board of
1.29x1.29
inches
(32.64x32.64
mm).
Shared on
February 5th, 2017 10:20.
A Tiny Arduino Daughterboard, Now In Circles!