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Posts by M@ M@z (he/him)

Ugh autocorrect... changjiang connectors

5 days ago 2 0 0 0
LCSC Electronics - Electronic Components Distributor LCSC Electronics is a Global Electronic Components Distributor, offering 560,000 in-stock SKUs from 2,600+ manufacturers alongside cost-effective Asian Domestic Alternatives. We provide Custom Cable A...

Maybe CJT (changing connectors)? Lcsc.com carries them and they are similar but not exactly the same as JST

5 days ago 1 0 1 0
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Apple IIc Keyboard by MatzElectronics on Tindie Replacement Keyboard for an early (Model A2S4000) Apple IIc Computer

...I sell a keyboard replacement kit in my Tindoe store: www.tindie.com/products/mat...

Check it out! I love seeing classic tech brought back to life

2 weeks ago 0 0 0 0

Happy 50th Apple! I grew up with an Apple //c, then one of the cool transparent Macs, then one of the first Powerbooks in college. We now have M1 and M4s. Every one has just been a solid, dependable computer.

#retrocomputing

I still have the //c. If you have one and want to restore it... 1/2

2 weeks ago 0 0 1 0

Do you just need them soldered up?

4 weeks ago 0 0 1 1

Hi! I'm looking for broken Apple II keyboards. I successfully designed a replacement keyboard for the Apple IIc, and I'd like to do the same for other vintage computers. Is anyone willing to let me "rent" a keyboard so I can get measurements? I'd happily send $$ or a prototype replacement.

1 month ago 1 0 0 0
A grid of red, yellow, green, and blue rectangles. The red rectangles get larger as you move to the right, the yellow get larger as you move to the left, the blue get larger as you move to the top, and the green get larger as you move to the bottom.

A grid of red, yellow, green, and blue rectangles. The red rectangles get larger as you move to the right, the yellow get larger as you move to the left, the blue get larger as you move to the top, and the green get larger as you move to the bottom.

A render of a PCB using different sized rectangles to make up a capacitive sensing surface.

A render of a PCB using different sized rectangles to make up a capacitive sensing surface.

I'm determined to figure out how to do a 4-wire XY capacitive sensing trackpad.

This is attempt 3.

1 month ago 2 1 0 0
A chromebook showing the Piper Make website behind educational kits made from laser-cut wood and electronics, including a 8x8 RGB LED matrix, a walking robot, a rover robot, a Hot Wheels ramp with sensors, a breadboard with LEDs and a Raspberry Pi Pico, a houseplant with a soil sensor, a finger-clamp pulse sensor, and a miniature house with a solar panel on top.

A chromebook showing the Piper Make website behind educational kits made from laser-cut wood and electronics, including a 8x8 RGB LED matrix, a walking robot, a rover robot, a Hot Wheels ramp with sensors, a breadboard with LEDs and a Raspberry Pi Pico, a houseplant with a soil sensor, a finger-clamp pulse sensor, and a miniature house with a solar panel on top.

Happy Pi day & Happy 5th Birthday to Piper Make! @playpiper.bsky.social

We're still going strong and it's still one of my favorite tools to use personally.

I believe deeply in the mission of our company - to bring fun, quality STEM/STEAM education to kids through stories and exploration.

1 month ago 0 0 0 0
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What's My JND? Find your Just Noticeable Difference in colour perception. How small a colour difference can you actually see?

What's My JND? 0.0042
Can you beat it? www.keithcirkel.co.uk/whats-my-jnd...

1 month ago 0 0 1 0
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OMG yes! The ladies at 7-11 know my usual by heart. Two Buffalo chicken rollers and a taco taquito.

1 month ago 1 0 0 0

My kiddo has a super restricted diet for medical reasons. I just paid $137 for a single bag of groceries. Fuck this.

2 months ago 1 0 0 0

Thanks!

2 months ago 0 0 0 0

Which module is that?

2 months ago 0 0 1 0

I love the ATTINY 16xx and 32xx chips! UPDI programming is super easy, Arduino support is great, and good balance of features, size, GPIO, etc. Also inexpensive ;) I use them a lot in sensor modules as i2c peripherals. Shameless plug: I also sell an ATTINY 3217 dev board on my Tindie store.

2 months ago 1 0 0 0

I used to look so much like this guy, my students in the early 2000's thought it was me ;)

2 months ago 1 0 0 0
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2 months ago 31 11 0 0
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I put one side of the handle of the crimp tool in a small vice. Then I can use both hands to align the wire and end, then smash the crimp tool closed.

3 months ago 3 0 0 0

I would have never thought of this. Do you glue this to a container with water/liquid?

3 months ago 1 0 0 0
Chiweenie Doggo sleeping in his bed under a chair while wearing a red and black dog sweater

Chiweenie Doggo sleeping in his bed under a chair while wearing a red and black dog sweater

3 months ago 2 0 0 0

Heavy-lift drone?

3 months ago 1 0 0 0

Also, if you are into creating 8-bit games, this is a great way to add the ability to connect an HID device like a USB mouse, keyboard, gamepad, or joystick.

4 months ago 0 0 0 0
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CH559 USB Host Breakout Board by MatzElectronics on Tindie Breakout Board for the CH559 USB Host IC

I'm selling this breakout board $5.50 right now: www.tindie.com/products/mat...

I've got a new version in the works, but I need to sell of the small amount of stock I have left of the current version. If you've never played with the CH559 MCU before, it's kind of fun ;) 1/2

4 months ago 2 0 1 0

Oh I had this and loved it so much! I can hear "mar-ee-o paint!" In my head!

4 months ago 1 0 0 0

Oof! I feel that pain! Good luck sir!

4 months ago 1 0 0 0

It's a jig for programming circuit modules. You load a panel of them into the bottom, pull the handle down to press the conductive spring pins into the modules, and it programs and tests 8 at a time with the push of a single button. It's a lot to put one of these together, but its a huge timesaver!

4 months ago 4 0 1 0
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An 8-gang PCBA programmer made from laser cut plywood and 8 raspberry pi zero 2Ws.

An 8-gang PCBA programmer made from laser cut plywood and 8 raspberry pi zero 2Ws.

Oh yeah!

4 months ago 17 1 1 0

That I will try for sure. I was referring to modifying the code so it behaves as a websocket server instead of a telnet server.

4 months ago 0 0 1 0

I might have to try and dive in and see if I can make that work...but this is very much on the edge of (probably past) what I know how to do ;)

4 months ago 1 0 1 0

This is amazing! This is the closest thing I have seen to getting a serial connection on an iOS device. iOS doesn't allow WebSerial, so I've been searching for a workaround on and off for some time. If this was a WebSocket server instead of a telnet server, I think it would work. 1/2

4 months ago 1 0 1 0
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Apple IIc Keyboard by MatzElectronics on Tindie Replacement Keyboard for an early (Model A2S4000) Apple IIc Computer

Hi everyone! Shameless plug time - I've restocked the Apple //c replacement keyboard kits! You can purchase yours on my Tindie store here: www.tindie.com/products/mat...

5 months ago 3 1 0 0