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)

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16x16 LED Matrix

by marble.

2 layer board of 1.65x1.78 inches (41.94x45.11 mm).
Shared on January 17th, 2017 14:16.

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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

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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.

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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.

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