v2 Progress Thread

[tjhorner]

Here's a thread where I will occasionally post with updates to how v2 is progressing.

Milestones:

• Draft PCB Design
• Draft Enclosure Design
• Working Prototype
• Validation Testing
  • UPLIFT v2
  • Fully Jarvis
  • New: Autonomous Standing Desk
  • New: LoctekMotion Desks
• Final PCB Design
• Final Enclosure Design
• First Production Run
• Publish & Sell!

Here are all the issues that pertain to v2.

[tjhorner]

I have an initial version of the PCB ready to test. Sent to JLC for fabbing.

Most of the ESP32 supporting circuitry is from a project where I used an ESP32-WROOM previously and it worked fine. The most important fix this makes is wiring up the RJ45 pins to logic shifters, and to GPIO pins that don't have alternate functions. Fixes #6 and other related power-up issues. I also believe the desk should not randomly go down when plugged in anymore. We'll see after I get a chance to test.

Major changes:

• Using an ESP32-WROOM module instead of a D1 Mini with ESP8266
• Using logic level shifters at GPIO pins to properly and bi-directionally shift between 5V logic, for the desk, and 3.3V logic, for the ESP32
• USB-C support 😎
• Mounting holes, for the new enclosure

[tjhorner]

Here's a draft of the new enclosure. Has standoffs and everything!

I printed a STEP of the new PCB to do a test fit and it works wonderfully: screws thread into the standoffs nicely, PCB is secure and the RJ45 jacks fit.

[tjhorner]

The first prototypes from JLC arrived today, and the board fits excellently in the new enclosure. The USB-C port fits better than expected!

Unfortunately I made some silly mistakes on the CP2102 which makes it inoperable, so I will have to make another revision (such is life). But exciting to see the enclosure fit work first time!

[tjhorner]

I received the revised boards recently and fixed another silly mistake that was bodgeable on this version and it works wonderfully. I put together a test version of the firmware and everything functions as expected — plus, the weird bugs I was aiming to remove are indeed gone! I feel we are very close to public testing and the first production run.

[tjhorner]

v2 is now on sale as the Upsy Desky on Tindie: https://www.tindie.com/products/tjhorner/upsy-desky/

Adapter cables for different desks are in development and will be sold shortly.