Gleelights: An extension of the great Cheerlights project
As anyone who knows me will testify – I’m a great fan/user of the Cheerlights project and my house is full or neopixels that are controlled by the Cheerlights API feeds. But lots of...
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Using Amazon Dash button as user-friendly Cheerlights changer
Amazon Dash button re-deployed as garden #cheerlights colour changer pic.twitter.com/Eycdnj04wD — Simon Walters (@cymplecy) July 19, 2018 I’d heard about hacking Amazon Dash buttons to control stuff via a Pi but never bothered with...
DHT11 Added to ScratchGPIO
You can now use a DHT11 Temperature/Humidity sensor with ScratchGPIO. To get readings simple use an example script like this to ask for readings once per second from a sensor connected to pin10.
Using Node-RED to play notes on a midi piano
I recently got a midi keyboard (Yamaha PSR-EW400) and have been using a Raspberry Pi to send midi data to it. Then I had this daft idea to get it to play different tunes...
AniBots for Primary
I am a very strong proponent that physical computing is a great way to carry on enthusiasm for programming after primary children have out-grown animating sprites on a computer screen. Or, in fact, getting back...
Going from Scratch to GP (www.gpblocks.org)
GP is the latest block programming language (Currently in beta testing so changes might/will occur) It is designed to be a stepping stone (or even an end-goal itself) from Scratch onto more feature rich...
Scratch2GPIO
Raspberry Pi have worked with MIT to produce a Scratch2 compatible program that runs standalone on a Pi2/3/4 (but not older models or PiZero series). It comes with basic gpio pin control but I’ve...
Tracking robot position within an area
For a couple of years, I’ve been thinking/wanting to have a system for determining the position of a robot within a marked area. I’ve not found an economical/easy way of doing this...
MkII Full-sized USB Socket for PiZero
Having played around with this sort of effort to fit a WiFi dongle inside the dimensions of a PiZero, I came up with idea of getting a USB socket like this and sticking it...
Remote Control HDMI switch using PiZero, Infra Red, MQTT and Scratch
Instead of running 2 long HDMI leads to connect bedroom and kitchen TVs to my SkyQ box, I used one to a switch in an intermediate room But having to manually changeover the switch...
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