OSH Park
Profile for nsayer
Shared projects
LCDuino
by
nsayer.
2
layer board of
3.15x1.40
inches
(80.04x35.59
mm).
Shared on
February 4th, 2014 20:58.
Arduino Uno clone as an i2c RGB LCD backpack
DB-9F null modem
by
nsayer.
2
layer board of
0.65x0.60
inches
(16.51x15.27
mm).
Shared on
January 29th, 2014 23:45.
RS-232 null modem adapter board.
Edge-solder two DB9F connectors on either side of the board (DigiKey 4209FE-ND, for instance) and you get an RS-232 null modem. The pinout:
- TXD<->RXD
- RTS<->CTS
- GND<->GND
- DTR->DSR+DCD (x2)
- RI->nc (x2)
LCDuino Buttons
by
nsayer.
2
layer board of
1.80x1.30
inches
(45.72x33.02
mm).
Shared on
January 26th, 2014 02:24.
Button board for LCDuino
USB to RS-232 converter
by
nsayer.
2
layer board of
1.78x0.80
inches
(45.11x20.32
mm).
Shared on
January 19th, 2014 23:37.
A USB to RS232 adapter
BOM:
- C1-C4 0.1µF 50V
- C5-C7 0.1µF 10V
- C8 10µF
- C9 0.01µF
- R1-R2 220R
- FB1 ferrite bead
- TX & RX - 0805 LEDs
- JP1 - micro USB A
- JP2 - DB9M
- IC1 MAX213IDBR
- IC2 CY7C65213-28PVXI
Works with any USB CDC driver.
EV Sim Mark II SMD
by
nsayer.
2
layer board of
1.41x1.46
inches
(35.79x37.03
mm).
Shared on
January 17th, 2014 14:47.
Electric vehicle simulator - for testing electric vehicle charging stations. Includes pilot duty cycle analysis and display.