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Acer 6311 Restoration

August 29, 2016

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Kailh vs Gateron Hot Swap Sockets

I was able to get my hands on a Gateron sockets. Product listing states that its part number is CPG151101S11 which is the same as Kailh's sockets. Initial inspection shows that the measurements sure looks identical and should fit on any PCB design for the later. Placing the sockets on PCB, shows that Kailh seems to be more thin. Photo above show Kailh on the left and Gateron on the right. There's a small hole on Gateron's fin(?) making bigger solder contact. Clips for switch pins also seems bigger compared to Kailh's. These seems to be a nice improvement but only time will tell. One P9 released in the wild have these sockets on. If you happen to receive it, let me know. Cheers!

IBM Model M 1391401 24NOV87

Part No. 1391401 ID No. 3284639 Date 24NOV87 Plt No. J1 This is another post to test serviceability and functionality of the subject keyboard after repair. This keyboard was sent to me for repair of broken traces and spacebar malfunction. First impressions: I think this is the oldest 401 I've held. Seems pretty solid and look sin pretty good shape and color. Not much stains on the casing and wear and shine on the keycaps seems pretty consistent. I would assume it had a pretty good use back in its days. Upon further inspection, the left mount that holds the stabilizer wire was repaired with an epoxy then eventually broke. I also assume that when the repair failed, the stabilizer wire became unbalance and caused the right mounting to brake as well. After few photos, the keyboard was dismantled. Rivets clipped. Drilled. Cleaned. I then scrapped the glue/epoxy off the stabilizer bracket. While working on the stabilizer mounting bracket, i noticed that there was an at...

Introduction to P18: An 18-key DIY Macropad Kit

IMPORTANT! Adafruit Feather 32U4 Bluefruit LE will not work with this PCB. Please use Pro Micro only. So...this new do-it-yourself kit is an 18-key macro-pad with hotswap-pability and uses cheap pro micro OR a not so cheap Bluefruit LE of Adafruit micro-controllers . This macro-pad is intended for those who are new to mechanical keyboards, still searching for the perfect switch, and or, those that want wireless connectivity. By design, the grid is a 4x4 plus 2 (+1 only if Bluefruit will be used) . Two of these keys can accommodate EC11 Rotary Encoders. A render with Bluefruit controller. Bottom view/render with Kailh sockets installed. The PCB Aside from the Pro Micro, this PCB accepts Adafruit's 32U4 Bluefruit LE as its alternate controller. This will enable the PCB to be accessed via Bluetooth if paired with a Lithium Polymer (LiPo) battery. The casing I am currently designing can accommodate a battery with dimension 29mm x 36mm x 4.75mm ...

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Acer 6311 Restoration

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