Description
The Group Buy for the KeyI-84 is now open! If you have been seeing those 4 function calculators hitting the top of r/mk and wished you could have a fully featured graphing calculator with custom switches, this is what you have been waiting for! We have designed 2 PCBs that connect to the original PCB of a TI-84 Plus CE, a custom aluminum top (with angled display) and bottom plate, and a set of keycaps to be produced by Signature Plastics containing all the legends from the original calculator. This does not change the function of the calculator in any way, and is a hardware only modification, which does not have to be tethered to a computer and retains the original calculator’s battery.
This kit requires advanced assembly. See parts list and tools list below. We have also made videos to demonstrate the difficult parts of the process. Sorry about the music, we didn’t do a voice-over for these and silence is weird.
https://www.youtube.com/watch?v=n7E_jxAMGpQ
https://www.youtube.com/watch?v=DUotQp6_YTE
Includes:
- 1x MX pcb
- 1x Calculator daughterboard
- 49x Dye sub DSA keycaps
- 2x Ribbon cables
- 4x Ribbon connectors
- 1x LCD extension PCB+cable
- 1x Aluminum switch plate
- 1x Aluminum base plate
- 1x Aluminum LCD Bracket
- 1x Power button + cap (non MX)
- Reset button
- Adhesive strips
- Mounting hardware
- Instruction Manual
Required Tools/Materials:
- Heat gun with small nozzle OR drill/dremel OR x-acto knife
- Soldering Iron with FINE tip
- Solder
- Small Screwdriver
- Allen Key (included)
- 49 MX style keyswitches (not included)
- TI-84 Plus CE (ONLY this model)
Timeline:
- Group Buy 4/27 – 5/27
- Manufacturing Lead Time 6/8 – 9/14
- Shipping 9/16 – 9/30
This timeline should account for delays due to the state of the world, but with group buys there is always some level of flexibility required. We will keep everyone updated if the timeline has to change.
Group Buy Info:
GB will run from 4/27 until 5/27. Minimum Order Quantity is 10 kits of any type in total. For the first 10 orders, we will only put holds on accounts but not actually charge them. If MOQ is not hit, the transactions will be canceled. Otherwise you will be charged once the 10th order is placed.
Shipping Info:
Right now it looks like it will be flat rate priority USPS mail. Our website is only prepared for domestic US shipping. If you are outside of the US, you can either use a proxy, or email us at abstractkb@gmail.com with the subject “International Shipping” and we can try to work something out.
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