OSH Park
Profile for marble
Shared projects
PWM555.brd
by
marble.
2
layer board of
0.35x0.40
inches
(8.92x10.16
mm).
Shared on
January 28th, 2017 22:43.
| Part(s) | Value |
|---|---|
| IC1 | TLC555 (can use NE555) |
| Q1 | AO3400 (can use other N-channel MOSFET) |
| bottom connector | GND, Vcc, anode, cathode |
| top connector | potentiometer according to PWM frequency |
| R1 | 1k |
| C1 | according to PWM frequency |
| C2 | 10nF (optional) |
16x16 LED Matrix
by
marble.
2
layer board of
1.65x1.78
inches
(41.94x45.11
mm).
Shared on
January 17th, 2017 14:16.
SIMfacer
by
marble.
2
layer board of
1.00x0.80
inches
(25.43x20.32
mm).
Shared on
October 19th, 2016 07:32.
A SIM interfacing card for UART
| Part(s) | Value |
|---|---|
| C1, C2 | according to crystal (e.g. 15pF) |
| C3 | 1uF |
| C4 | 100uF |
| IC1 | 74AC04D |
| Q1 | NPN SOT23 BEC (e.g. MMBT2222A) |
| R1 | 1M |
| R2, R3 | 1K |
| R4, R5 | 10K |
| SIM1 | C707-10M006-136-2 |
| X1 | 3.57 MHz or 3.686 MHz |
SIM sniffer smd
by
marble.
2
layer board of
1.00x0.80
inches
(25.43x20.32
mm).
Shared on
September 26th, 2016 07:54.
A simple SIM card breakout board with pin headers and smd pads.
SIM_sniffer.brd
by
marble.
2
layer board of
1.00x0.80
inches
(25.43x20.32
mm).
Shared on
September 26th, 2016 06:48.
A simple SIM card breakout board with two pin headers.