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Optical Mouse @projects:electronics
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~~NOTOC~~ ====== Optical Mouse ====== {{ :projects:electronics:opticalmouse:opticalmouse.jpg?400|}} With this project I intend to use an optical mouse sensor chip for detecting movement on a
CarouselPi - A Kodak Carousel Slide Scanner
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====== CarouselPi - A Kodak Carousel Slide Scanner ====== <WRAP center round box 60%> I'm converting a Carousel slide projector into an automated slide scanner ... aloguing of the slide trays and indexing with the use of barcode stickers on each carousel. I intend to
Lenovo T530 Laptop WiFi upgrade
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ut how to modify the whitelist myself and to only use the forum as a last resort if I'm unable to make ... nkpad laptop (of course) * New wireless card, I used the [[http://www.intel.com/content/www/us/en/wir... from eBay or Aliexpress) * A second computer (I used another Linux computer. A Windows computer can w... c sheet - {{:projects:t530:magsheet.jpg?linkonly |useful for keeping screws in order}} * Hex driver f
Tire Pressure Sensor Code @projects:electronics:tirepressuresensor
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wise, RA8 ; #define I2C_7SEG ; If Defined, use I2C to control display #DEFINE ADRC0 b'' #D... ll I2C_BusyWait endm #ifdef LCD_PICDEM ;The user can declare different definitions and make neces... instant an interrupt occurs. ; We don't use the "FAST" option for the Low Priority ISR ; because if the High Priority interrupt is enabled and sho
405nm Laser Diode
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rt. ====== Pictures ====== **Click to enlarge, Mouseover for description** {{:projects:405nmlaser:p10... |Photodiode Anode | |8,9 |Laser Anode | ====== Useful Links ====== * [[http://repairfaq.cis.upenn.... ba Laser Diode Product Catalog]] - Should be very useful - {{:projects:405nmlaser:bce0026_catalog.pdf|L... A2_SVM.PDF|Toshiba HDA2 Service Manual]] - Not as useful as you might think. Should be useful for scave
C.H.I.P Computer
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t to CHIP via a serial console - Login to chip, username: root, password: chip - Run **nmtui**, a c... VHOLD: 1 (Whether VBUS is above 4.4V before being used) Shutdown voltage: 2.9V VBUS current limit: 90... VHOLD: 1 (Whether VBUS is above 4.4V before being used) Shutdown voltage: 2.9V VBUS current limit: 10... certain registers on this chip. This script only uses one write command to enable ADC registers, every
Sump pump Monitor @projects:electronics
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nts have a cistern and a sump pump which would be useful to have some sort of water level monitoring. ... - Measures up to 5 metres (200 inches) of water (Used for the cistern) * MPX5010 - Measures up to 1 metre (40 inches) of water (Used for the sump) * 2 Optically isolated inputs, o... red when the sump pump turns on, the other is not used * 1-wire network for temperature sensors * T
DGPS-11 Beacon Receiver @projects:electronics
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herproof housing. ^ Wire ^ Function ^ | Red|+3A fused 10.8 to 31.2VDC| | Orange|RS-232C In| | White|RS... nsformers-Micro-Miniature-p-4768.html|Abra]] or Mouser * 42IF201 * 42IF203 * Chokes - Mouser only so far * 43LS103 {{:projects:electronics:d
SD GPS Track Logger @projects:electronics
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ics:sdgpslogger:picdem_fs_usb_demonstration_board_users_guide.pdf|}} Will be useful for future projects, however the included processor, the PIC18F4550 doe... gger/|GPS to SD-Card Data Logger]] - Does **not** use the FAT filesystem * [[http://www.k9spud.com/sd
My Electronic Projects
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CB's * [[http://www.adafruit.com/|Adafruit]] - Useful components & dev boards * [[http://www.palt... s ====== Other Projects Online ====== [[http://users.tkk.fi/~jwagner/electr/rotary-enc/|Inexpensive
7-segment display module @projects:electronics
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made this board using Eagle for layout and then I used [[http://www.batchpcb.com|BatchPCB]] to manufact... rrectly, however, if I were to revise it, I would use a larger SMT resistor than the 0402 size. The boa
IO Board @projects:electronics
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round |B10^#|A10|I/O CH RDY|n/c| |B2 on U23 - not used|-SMEMW |B11^#|A11|AEN |Address enable; active high when DMA controls bus| |B1 on U23 - not used|-SMEMR |B12^#|A12|SA19 |n/c| |A3 on U23|-IOW |B1
X10 Interfacing @projects:electronics
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ems to die after a few years (on three units I've used) so I figured out the pinout. 4N35's are used internally for opto-isolation, The power is from a tran
Camera Flash Control
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up a logic analyzer to the modulating signal * Use a microcontroller to try grounding the TTL OK sig
Data Logging
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- Excellent graphing software written in Java, I use it as a frontend. ==== Perl Script ==== === In
Barometric Pressure sensor @projects:electronics
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GPS @projects:electronics
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Serial Converter @projects:electronics
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Tire Pressure Sensor @projects:electronics
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