Test Boards
I made a lot of test boards to validate the schematic and layout designs. I built up the MainBoard design by testing and validating each of the blocks below.
Board Index
- audio-breakout
- mcp2021-lin-board
- pico-lin
- pico-vga
- rpi-vga
- car-adapter-breakout
- mcp2021-smd-test
- pico-powermux
- rpi-pwr-meanwell
- test-video-switch
- test-video-switch-revB
- VGA-RGsB
Gantt Chart
gantt
title Test Boards
dateFormat YYYY-MM-DD
section VGA To RGsB
Breadboard : 2022-03-16, 2022-09-04
Design PCB : des1, 2022-09-04, 2022-09-13
Wait For Board: wait1, after des1, 3d
Assemble Board: after wait1, 2022-10-16
section Video Switch Rev A
PCB Sent To Manufacturing : milestone, videoARtm, 2022-11-05, 1d
PCB Assembled : milestone, videoADone, 2023-01-23, 1d
section PicoVGA
PCB Sent To Manufacturing : milestone, picovgaRtm, 2022-11-09, 1d
PCB Assembled : milestone, picovgaDone, 2022-11-19, 1d
section Car Adapter Breakout
PCB Sent To Manufacturing : milestone, picovgaRtm, 2022-12-27, 1d
PCB Assembled : milestone, picovgaDone, 2023-01-06, 1d
section Meanwell Power Supply
Breadboard: milestone, bbmps, 2022-12-18, 1d
PCB Sent to Manufacturing: milestone, pcbmmps, 2023-01-31, 1d
PCB Soldered/Assembled: milestone, pcbammps, 2023-03-04, 1d
section Video Switch Rev B
PCB Sent to Manufacturing: milestone, videobpcb, 2023-06-28, 1d
section Audio Breakout
VGA to RGsB
Timeline
- Breadboard Prototype: March 16, 2022
- Start PCB project: September 4, 2022
- PCB Sent to Manufacturing: September 13, 2022
- PCB Soldered/Assembled: October 16, 2022
- PCB Cost ($USD): $25
Description
More details. Converts VGA to RGB, Sync on Green.
Test Video Switch: Rev A
Timeline
- PCB Sent to Manufacturing: November 5, 2022
- PCB Soldered/Assembled: January 23, 2023
- PCB Cost (USD): $116
Description
More details. First draft of the MAX4314 video switch. Worked, but had lots of electrical noise.
PicoVga
Timeline
- PCB Sent to Manufacturing: November 9, 2022
- PCB Soldered/Assembled: November 19, 2022
- PCB Cost (USD): $65
Description
More details. RGB565 resistor network to VGA.
Car Adapter Breakout
Timeline
- PCB Sent to Manufacturing: December 27, 2022
- PCB Soldered/Assembled: January 6, 2023
- PCB Cost (USD): $70
Description
More details. Breakout board from MQS connectors (Car interface) to Sled. First use of MQS connectors on the PCB.
Meanwell Power Supply
Timeline
- Breadboard: December 18, 2022
- PCB Sent to Manufacturing: January 31, 2023
- PCB Soldered/Assembled: March 4, 2023
- PCB Cost (USD): $80
Description
Test Video Switch: Rev B
Timeline
- PCB Sent to Manufacturing: June 28, 2023
- PCB Soldered/Assembled:
- PCB Cost (USD): $50
Description
More details. Second draft of the MAX4314 video switch. First time I soldered surface mount components.
Audio Breakout
Timeline
- PCB Sent to Manufacturing: August 25, 2023
- PCB Soldered/Assembled:
- PCB Cost (USD): $50
Description
More details. A quick board I whipped up because I didn’t want to use RCA-TerminalBlock adapters again, ziptied to DIN rails.
MainBoard
Timeline
- PCB Design Started:
- PCB Sent to Manufacturing: May 16, 2024
- PCB Soldered/Assembled:
- PCB Cost (USD): $212
Description
The main board, version 1.
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