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Extreme Kits @extkits.bsky.social · 26/09/2026

10 x Morse oscillator practice kits - with 5x 5M cables A class Pack of 10 Simple Morse Practice osc... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 19/09/2026

Luminiferous Theremin Kit The Luminiferous Theremin Kit is a audio synthesiser musical instrument co... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 12/09/2026

Van De Graaff (VDG) Generator kit - V2 - 150mm - 40,000V of sparky fun. The 150mm Van De Graaff kit ... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 29/08/2026

Pico RomWBW Z80 CPM Computer The PIco RomWBW is a PI PICO emulated CPM/80 Machine. It is capable of ... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 22/08/2026

DVD/CD/Solar motors 3v-9V - Twin Pack Two RC300 6000RPM DC 1.5-9V Micro Motor for CD DVD Player, ide... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 19/08/2026

Just in time for next weeks lightning (UK) our lightning detectors are back in stock. extkits.co.uk/product/ligh...

Blue PCB with a battery box and Ariel, two LED's illuminate clouds and lightning etched acrylic.

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Extreme Kits @extkits.bsky.social · 18/08/2026

New Product The Discrete 4017 A complete CD4017 copy at 10X its normal size with all of the logic broken out into discrete transistors. extkits.co.uk/4017-retro-c...

extkits.co.uk

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A Singular Monkey @finitemonkey.bsky.social · 15/08/2026

If you need a high voltage (30-40KV) source that works even in high humidity. Some assembly required #TeachPhysics

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Extreme Kits @extkits.bsky.social · 15/08/2026

Cockcroft Walton Multiplier (Electronic Van De Graaff) Kit A 175mm tall, high voltage generator th... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 13/08/2026

The Discrete-4017 kit, is a replica a of the CD4017 as used in many projects. All of the internal logic has been broken down to logic gates and then realised with only N & P type transistors (FETs) Ideal for teaching logic, electronics, history and for retro enthusiasts. extkits.uk/4017

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Extreme Kits @extkits.bsky.social · 08/08/2026

10 x Morse oscillator practice kits - with 5x 5M cables A class Pack of 10 Simple Morse Practice osc... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 01/08/2026

Solenoid Engine Single V2 - Standalone The Solenoid Engine Single is a desktop st... Read More #kits #makers #stem #science

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A Singular Monkey @finitemonkey.bsky.social · 18/07/2026

This is a siren song trying to lure me away from my NEC 8201A with memory expansion and external 3.5" floppy CP/M system that is current in need of repair

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Extreme Kits @extkits.bsky.social · 18/07/2026

RC2040 - Retro emulated Z80 CP/M computer kit The RC2040 is a PI PICO emulated RC2014 kit, with CP/M... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 11/07/2026

10 x Morse oscillator practice kits - with 5x 5M cables A class Pack of 10 Simple Morse Practice osc... Read More #kits #makers #stem #science

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Reposted by Extreme Kits

Extreme Electronics @extelec.bsky.social · 09/07/2026

My #emfcamp Workshop Build a @extkits.bsky.social lightning detector is open to book here. I expect it to be busy, and there is limited places, so book early www.emfcamp.org/schedule/202...

emfcamp.org

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Extreme Kits @extkits.bsky.social · 04/07/2026

RP2350 - RomWBW Bus The RP2350 RomWBW Bus is an RP2350 emulated Z80 CPM Computer. It is capable of r... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 27/06/2026

Bat Detector - Bat Ears Bat Ears is a full featured Pi Pico based Bat detector/Listener kit that is ... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 20/06/2026

DVD/CD/Solar motors 3v-9V - Twin Pack Two RC300 6000RPM DC 1.5-9V Micro Motor for CD DVD Player, ide... Read More #kits #makers #stem #science

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Reposted by Extreme Kits

Mark Hodgkinson @iamhodgy.bsky.social · 16/06/2026

EMFcamp Schedule is 'UP' .

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Extreme Kits @extkits.bsky.social · 16/06/2026

If you’re going to #emf camp. And would like to build a lightning-detector. Make sure you favourite it here so you don't miss it. www.emfcamp.org/schedule/2026

emfcamp.org

Line-up

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Extreme Kits @extkits.bsky.social · 13/06/2026

Solenoid Engine Single V2 - Standalone The Solenoid Engine Single is a desktop st... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 06/06/2026

Solenoid Engine Single V2 - Standalone The Solenoid Engine Single is a desktop st... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 30/05/2026

Bat Detector - Bat Ears Bat Ears is a full featured Pi Pico based Bat detector/Listener kit that is ... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 23/05/2026

Solenoid Engine Single V2 - Standalone The Solenoid Engine Single is a desktop st... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 08/05/2026

New Badge design for Extreme Kits. A Retro QR Code badge. NO IC's or Microprocessors, 'just' 143 transistors and three buttons form the QR code and drive running LEDs around the outside. Details of the build Via the QR code or at extkits.co.uk/retro-qr-cod...

extkits.co.uk

Retro QR Code Badge - Extreme Kits

The challenge Everyone makes a Badge for events that usually contains a microprocessor, a display and some blinking lights. I wanted something different. Retro and of course it must work as a badge. ...

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Extreme Kits @extkits.bsky.social · 08/05/2026

extkits.co.uk

Retro QR Code Badge - Extreme Kits

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Extreme Kits @extkits.bsky.social · 01/05/2026

Quick impromptu May day sale 15% off from today till Tuesday. With the code "MayDay" at the checkout. extkits.co.uk.

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Extreme Kits @extkits.bsky.social · 01/05/2026

Quick impromptu May day sale 15% off from today till Tuesday. With the code "MayDay" at the checkout. extkits.co.uk.

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Extreme Kits @extkits.bsky.social · 27/04/2026

Luminiferous Theremin Kit The Luminiferous Theremin Kit is a audio synthesiser musical instrument co... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 27/02/2026

Packed ready for the #camjam tomorrow. Bringing mostly the new Pi Pico related stuff to show, but due to travel arrangements, I won't be selling at the jam, althouh do have free UK postage from the website, when you order online. If you see me there, please say hello. extkits.co.uk #RaspberryPi

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Tim Holyoake @timholyoake.uk · 07/01/2026

New from me: Building a Pico RomWBW z80.timholyoake.uk/building-a-p...

The bottom left of the image shows a Pico RomWBW computer in a brown wooden case. The output from it is shown on the screen in the background. It is just about to boot into CP/M.

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Extreme Kits @extkits.bsky.social · 02/01/2026

Happy new year. Over the Christmas period, I was VERY busy. Many product lines were sold out, Thankyou I'm slowly restocking, and the first back in stock is the Theremin kit... extkits.co.uk/product/lumi...

extkits.co.uk

Luminiferous Theremin Kit - Extreme Kits

The Luminiferous Theremin Kit is a full featured audio synthesiser, musical instrument, played with no contact to the musical instrument whatsoever.

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peteronion.bsky.social @peteronion.bsky.social · 01/01/2026

Make one of your New Year's Resolutions to visit The National Museum of Computing in 2026 :-)

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Extreme Kits @extkits.bsky.social · 30/11/2025

This is Bernard, or Ber for short. Tomorrow is his birthday. To celebrate we are continuing our Black Fly day sale. For FlyBer Monday. Enter "Black Fly day" at the checkout for 10% off all our products. Last day tomorrow. extkits.co.uk

Bernard the fly on an extreme kits business card

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Extreme Kits @extkits.bsky.social · 28/11/2025

Grab a mini Van De Graff kit In our "Black fly day" sale" 10% off, if you use BLACK FLY DAY code at the checkout. We don't do #BlackFriday until Dec 1st. extkits.co.uk/product/van-...

A small Van de Graff with a fly at the base and a shiny metal dome.

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Extreme Kits @extkits.bsky.social · 26/11/2025

Pico RomWBW computer kits back in stock. You can now order with a wooden case as a single item, saving you £££s. Plus (minus ?) the 10% off Black fly day offer (use the code BLACK FLY DAY) at the checkout. ExtKits doesn't do #BlackFriday. extkits.co.uk/product/pico...

Small box with silk screened front panel rows of buttons, leds and switches extremekits and RomWBW logos. In a polished wooden case, with a huge black fly on top. Because Black fly day is really a thing, well its as much of a thing as black Friday is in the uk.

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Extreme Kits @extkits.bsky.social · 24/11/2025

If you've been following Extreme kits for a while you will realise that we don't do black Friday. But, to celebrate one of our software bugs becoming sentient, this year we will be doing "BLACK FLY DAY" 10% off your order at extkits.co.uk if you use "BLACK FLY DAY" at the checkout, until 1st Dec.

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Extreme Kits @extkits.bsky.social · 16/11/2025

Mini Wimshurst kits back in stock 30000V of whirly disk based #science on your desktop, but still safe for kids. extkits.co.uk/product/mini...

Small desktop battery powered Wimshurst machine. sparking between two silver balls on wire above the machine. Two acrylic disks spinning on an acrylic chassis below. against a white graph paper checked background.

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Extreme Electronics @extelec.bsky.social · 15/11/2025

Available here extkits.co.uk/product/rp23... #RetroComputing

extkits.co.uk

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Extreme Electronics @extelec.bsky.social · 15/11/2025

a Neo pixel driver. Running emulated Z80 CPM via #ROMWBW from an onboard RP2350 AND it can be directly plugged into a RC2014 backplane. #retrocomputing

RP2350 RomWBW Bus kit. 10 leds, 8 switches and an OLED display on two blue PCB's with a 40way connector.

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Extreme Kits @extkits.bsky.social · 15/11/2025

RomWBW Bus kits now available. All the features of the Pico2 RomWBW kit PLUS an OLED display emulating a 2 line LCD and a full #RC2014 IO Bus, so you can run RC2014 peripherals. Not that you really need to as you have SD disks, Speech synth, 8 bit LEDs / switches on the front panel.

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Extreme Kits @extkits.bsky.social · 15/11/2025

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Extreme Kits @extkits.bsky.social · 27/09/2025

Nano Probe - Logic probe / Oscilloscope The Nano Probe is a combined logic probe and miniature oscil... Read More #kits #makers #stem #science

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