Difference between revisions of "PiPicoMite01 Rev1 Assembly Sheet"

From Land Boards Wiki
Jump to navigation Jump to search
(Created page with "file:PicoMite01_Rev1_CAD.PNG == Parts List == {| class="wikitable" ! Find ! Qty ! Ref Des ! Part Number ! ! Find ! Qty ! Ref Des ! Part Number |- | 1 | 1 | U3 | [https:...")
 
 
(21 intermediate revisions by the same user not shown)
Line 1: Line 1:
 +
* '''Make sure you build with the current revision assembly sheet'''
 +
** Revision is marked on the rear of the card
 +
* [[PiPicoMite01 Rev2 Assembly Sheet]]
 +
 +
[[File:PiPicoMite01_P18182_720px.jpg]]
 +
 
[[file:PicoMite01_Rev1_CAD.PNG]]
 
[[file:PicoMite01_Rev1_CAD.PNG]]
  
Line 17: Line 23:
 
| 1
 
| 1
 
| U3
 
| U3
−
| [https://www.mouser.com/ProductDetail/595-TXS0104EDR TXS0104]
+
| [https://www.mouser.com/ProductDetail/595-TXS0104EDR TXS0104EDR] or [https://www.mouser.com/ProductDetail/Texas-Instruments/TXS0104ED?qs=sGAEpiMZZMswyCOIqqEmexhRsemsJKDFoco1dTJTqzk%3D TXS0104ED]
 
|  
 
|  
 
| 15
 
| 15
Line 47: Line 53:
 
| 1
 
| 1
 
| R5
 
| R5
−
| [https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF18JT390R/1741695 390 (1/8W)] |  
+
| [https://www.digikey.com/en/products/detail/stackpole-electronics-inc/CF18JT390R/1741695 390 (1/8W)]  
 +
|  
 
| 18
 
| 18
 
| 1
 
| 1
Line 81: Line 88:
 
| 2
 
| 2
 
| J3, J5
 
| J3, J5
−
| Socket, Female. 1x20
+
| Header, Female. 1x20
 
|-
 
|-
 
| 8
 
| 8
Line 91: Line 98:
 
| 1
 
| 1
 
| J7
 
| J7
−
| [https://www.mouser.com/datasheet/2/670/sj1_352xn-1779157.pdf AudioJack3, SJ1-3523N]
+
| [https://www.mouser.com/datasheet/2/670/sj1_352xn-1779157.pdf AudioJack3, SJ1-3523N] [https://www.mouser.com/ProductDetail/490-SJ1-3523N Mouser]
 
|-
 
|-
 
| 9
 
| 9
 
| 4
 
| 4
−
| C1, C2, C3, C4
+
| C1-C4
 
| [https://www.mouser.com/ProductDetail/75-1C10Z5U104M050B 0.1uF]
 
| [https://www.mouser.com/ProductDetail/75-1C10Z5U104M050B 0.1uF]
 
|  
 
|  
Line 101: Line 108:
 
| 1
 
| 1
 
| J8
 
| J8
−
| [https://www.mouser.com/datasheet/2/222/KMDGX-334716.pdf PS2_DIN6]
+
| [https://www.mouser.com/datasheet/2/222/KMDGX-334716.pdf PS2_DIN6] [https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2334524.m570.l1313&_nkw=ps%2F2+din+connector+purple&_sacat=0&LH_TitleDesc=0&_odkw=PS%2F2+DIN+connector&_osacat=0 ebay]
 
|-
 
|-
 
| 10
 
| 10
Line 111: Line 118:
 
| 1
 
| 1
 
| J10
 
| J10
−
| [https://www.mouser.com/datasheet/2/123/English_634_Ordering_Guide-1830723.pdf CONN, DB15HD, BLUE (VGA)]
+
| [https://www.mouser.com/datasheet/2/123/English_634_Ordering_Guide-1830723.pdf CONN, DB15HD, BLUE (VGA)] [https://www.mouser.com/ProductDetail/587-634-015-274-906 Mouser]
 
|-
 
|-
 
| 11
 
| 11
Line 121: Line 128:
 
| 1
 
| 1
 
| J2
 
| J2
−
| [https://www.mouser.com/datasheet/2/670/uj2_bh_th-1779177.pdf USB-B]
+
| [https://www.mouser.com/datasheet/2/670/uj2_bh_th-1779177.pdf USB-B] [https://www.mouser.com/ProductDetail/490-UJ2-BH-1-TH Mouser]
 
|-
 
|-
 
| 12
 
| 12
 
| 1
 
| 1
 
| D1
 
| D1
−
| [https://www.digikey.com/en/products/detail/panjit-international-inc/1N5819-R2-00001/15796595 1N5819]
+
| [https://www.digikey.com/en/products/detail/panjit-international-inc/1N5819-R2-00001/15796595 1N5819] [https://www.mouser.com/c/semiconductors/discrete-semiconductors/diodes-rectifiers/schottky-diodes-rectifiers/?q=1n5819&mounting%20style=Through%20Hole&package%20%2F%20case=DO-41&instock=y Mouser]
 
|  
 
|  
 
| 26
 
| 26
 
| 1
 
| 1
 
| U1
 
| U1
−
| [https://www.adafruit.com/product/4864 RPi-PICO]
+
| Raspberry Pi Pico [https://www.digikey.com/en/products/detail/raspberry-pi/SC0915/13624793?s=N4IgjCBcoLQdIDGUBmBDANgZwKYBoQB7KAbXADYBOABhAF0BfBggJlJAAUBLAAm8WKMgA Digikey] [https://www.adafruit.com/product/4864 Adafruit]
 
|-
 
|-
 
| 13
 
| 13
 
| 1
 
| 1
−
| D2
+
| D2 (alt for D1)
 
| [https://www.mouser.com/ProductDetail/863-MBR0530T1G MBR0520T1H]
 
| [https://www.mouser.com/ProductDetail/863-MBR0530T1G MBR0520T1H]
 
|  
 
|  
Line 141: Line 148:
 
| 1
 
| 1
 
| U2
 
| U2
−
| [https://www.mouser.com/datasheet/2/268/20001952C-1129816.pdf MCP23017_SP]
+
| [https://www.mouser.com/datasheet/2/268/20001952C-1129816.pdf MCP23017_SP] [https://www.adafruit.com/product/732 Adafruit]
 
|-
 
|-
 
| 14
 
| 14
 
| 1
 
| 1
 
| SD1
 
| SD1
−
| [https://cdn.amphenol-cs.com/media/wysiwyg/files/drawing/gmc02008xhr.pdf Conn, SD Card]
+
| [https://cdn.amphenol-cs.com/media/wysiwyg/files/drawing/gmc02008xhr.pdf Conn, SD Card] [https://www.mouser.com/ProductDetail/Amphenol-Commercial-Products/GMC020080HR?qs=W0yvOO0ixfGUck2%252BUqFamw%3D%3D Mouser]  
 
|  
 
|  
 
|  
 
|  
Line 154: Line 161:
 
|-
 
|-
 
|}
 
|}
 +
 +
== Notes ==
 +
 +
# Install either D1 or D2
 +
# Can use 1N400x in place of Schottky diode at D1/D2 location
 +
# DC can be provided via header pins on J4 so J2 (USB B power connector) can be omitted
 +
# U2 socket is optional
 +
# Install shunts at H1, J2 as required per wiki page
 +
# Resistor pads fit either 1/8W or 1/4W parts (1/4W shown here)
 +
 +
[[file:Res_8th_Qrtr_W_P18205.JPG]]
 +
 +
== I2C connections to MCP23017 - Rework ==
 +
 +
* SDA, SCL swapped to MCP23017
 +
* Cut etch solder side Pico pin 19 (to U2-12)
 +
* Cut etch solder side Pico pin 20 (to U2-13)
 +
* Cuts are done on rear side (CAD)
 +
* Verify cuts with ohmmeter
 +
 +
[[file:PicoMite01_X1_Rework_I2C2.PNG]]
 +
 +
* Cuts shown on board (using sharp [https://www.amazon.com/Xacto-X3201-N0-Precision-Knife/dp/B00004Z2TQ Xacto knife])
 +
 +
[[file:PiMicoMite01_P18202_Cuts_Jumpers.jpg]]
 +
 +
* Jumpers
 +
* Add wire Pico pin 19 to U2-13 (GP14)
 +
* Add wire Pico pin 20 to U2-12 (GP15)
 +
* Glue down wires with small dots of Superglue
 +
 +
[[file:PiMicoMite01_P18202_720px_Jumpers.jpg]]

Latest revision as of 15:05, 28 June 2022

PiPicoMite01 P18182 720px.jpg

PicoMite01 Rev1 CAD.PNG

Parts List

Find Qty Ref Des Part Number Find Qty Ref Des Part Number
1 1 U3 TXS0104EDR or TXS0104ED 15 1 J1 Header, Vert, 1x2
2 6 R1, R2, R10, R11, R13, R14 2.2K (1/8W) 16 1 J4 Header, Vert, 2x3
3 2 R3, R4 270 (1/8W) 17 1 J6 Header, Vert, 2x8
4 1 R5 390 (1/8W) 18 1 J9 Header, Vert, 2x10
5 2 R6, R8 47 (1/8W) 19 1 J11 Header, Rt Angle, 1x4
6 1 R7 820 (1/8W) 20 1 H1 Header, Vert, 2x2
7 2 R9, R12 1K (1/8W) 21 2 J3, J5 Header, Female. 1x20
8 2 R15, R16 10K (1/8W) 22 1 J7 AudioJack3, SJ1-3523N Mouser
9 4 C1-C4 0.1uF 23 1 J8 PS2_DIN6 ebay
10 2 C5, C6 47nF 24 1 J10 CONN, DB15HD, BLUE (VGA) Mouser
11 2 C7, C8 47uF 25 1 J2 USB-B Mouser
12 1 D1 1N5819 Mouser 26 1 U1 Raspberry Pi Pico Digikey Adafruit
13 1 D2 (alt for D1) MBR0520T1H 27 1 U2 MCP23017_SP Adafruit
14 1 SD1 Conn, SD Card Mouser

Notes

  1. Install either D1 or D2
  2. Can use 1N400x in place of Schottky diode at D1/D2 location
  3. DC can be provided via header pins on J4 so J2 (USB B power connector) can be omitted
  4. U2 socket is optional
  5. Install shunts at H1, J2 as required per wiki page
  6. Resistor pads fit either 1/8W or 1/4W parts (1/4W shown here)

Res 8th Qrtr W P18205.JPG

I2C connections to MCP23017 - Rework

  • SDA, SCL swapped to MCP23017
  • Cut etch solder side Pico pin 19 (to U2-12)
  • Cut etch solder side Pico pin 20 (to U2-13)
  • Cuts are done on rear side (CAD)
  • Verify cuts with ohmmeter

PicoMite01 X1 Rework I2C2.PNG

PiMicoMite01 P18202 Cuts Jumpers.jpg

  • Jumpers
  • Add wire Pico pin 19 to U2-13 (GP14)
  • Add wire Pico pin 20 to U2-12 (GP15)
  • Glue down wires with small dots of Superglue

PiMicoMite01 P18202 720px Jumpers.jpg

Retrieved from "http://land-boards.com/blwiki/index.php?title=PiPicoMite01_Rev1_Assembly_Sheet&oldid=17520"