Cart Jr II, New LEDs

Cart Jr II, New LEDs

On way to lower cost is to use as much automation as possible. To simply remove the hands needed for assembly. Since thruhole mounted LEDs would also need JIGs to secure correct alignment and distance that cost is also removed. NEW LEDs So. I finally found a good SMD...
Panel Design

Panel Design

I got a few questions around the strange look of the board. Why did I do that? I mentioned it briefly in A looow cost expansion. Low Cost PCB I usually minimum do 4 layer boards. That way I can have a complete ground plane and a complete power plane. It simplifies...
GCart Jr II 1.2, Next Step

GCart Jr II 1.2, Next Step

Moving along While testing the existing V1.1 board I am continuing the work on V1.2. The external connector was to big and also difficult to get off-the-shelf cables for that looks good. So, I opted for a 4-pin 3.5mm audio connector instead. With that there are...
Cart Jr II Boards

Cart Jr II Boards

The World Factories are Online Again After serious waiting because of Chinese New Year and missing components, the boards are finally back. Bring-up Today I did a quick bring-up. Measured the resistance between 5V and GND just to make sure there are no hard shorts....
GCart Jr II 1.2

GCart Jr II 1.2

Version 1.2 Well. China is still away on public holiday for their New Year so I am still waiting for the version 1.1 boards. External Connector Anyway I did some changes waiting for that. Mainly added an external connector for additions. To cater for this I needed to...
BOM Scrubbing

BOM Scrubbing

Going down … Slowly slowly we are pressing the cost down down down … As it stands now we are down to 18.99 USD for material in quantities of 200. The PCB will run at 2.80 USD, but that is still with a matt black solder mask, ENIG and real hard-gold edge...