Here is a new low voltage disconnected based around an Arduino Pro Mini which can be used with low voltages in the 0 to 5 volt range - reuk.co.uk/wordpress/low-vol…

Today we have released the full #Arduino sketch (source code) for our most popular poultry egg incubation controller as we are receiving multiple daily requests for it from around the developing world. Please retweet -reuk.co.uk/wordpress/full-ar…

Here is a controller with protection against pump multi-switching for a rainwater toilet flush system that feeds water from a water butt directly into a toilet cistern with a float switch located near the top to detect when full - reuk.co.uk/wordpress/control…

Here is a solenoid protection circuit for use within a one-man band drum kit. Micro-switches in foot pedals are used to control solenoids which control drumsticks. This circuit gets the timings right to prevent solenoid burnout - reuk.co.uk/wordpress/timer-t…

New Raspberry Pi 4. 4GB RAM, 4K video with dual display support, USB-C power, USB 3.0 ports, gigabit ethernet, and double the performance of the Raspberry Pi 3 Model B+

Here is an Arduino based automatic programmable motorised scarecrow timer controller with light detector for dawn to dusk operation repelling pigeons and crows from orchards: reuk.co.uk/wordpress/automat…

Here is a new Arduino-based target shooting timer controller to replace and replicate the functionality of an old Jackcast timer: reuk.co.uk/wordpress/target-…

Find out how we convert old digital watches into stopwatches to calibrate Arduino board's internal clocks and for many other timing projects. reuk.co.uk/wordpress/convert…

Here is an enhancement to a typical 555 timer based 12V battery powered spot welding timer controller giving dual pulse weld capability and consistent reproducible welding results: reuk.co.uk/wordpress/modifie…

Here is a controller designed to enable multiple light switches to independently control a bathroom extractor fan (without turning all other lights on at the same time): reuk.co.uk/wordpress/multipl…

PPC 1500 target shooting competition timer with display: reuk.co.uk/wordpress/ppc-150…

Use Python to have a Raspberry Pi take a photograph and then automatically drop a copy of the image file onto your Windows desktop: reuk.co.uk/wordpress/raspber…

Today the Raspberry Pi Model 3 A+ has been released. All the power of the Model 3 B+ but in a smaller package and for only US$25 reuk.co.uk/wordpress/raspber…

Not enjoying the terrible user experience of attempting over 3.5 weeks to complete a compensation claim with @Parcel2Go via their online system. Is it too much to ask for a phone number, email address, or at least a text box from which messages can be sent???

Here is a new two-channel themometer with 1602 LCD display based around an Arduino Pro Mini. The full sketch (code) is included together with links to relevant resources regarding LCD modules, ds18b20 temperature sensors, and the Arduino Pro Mini reuk.co.uk/wordpress/arduino…

Solar powered webserver with 2GHz Olimex A20 1-2.5W single board computer, 50W solar panel, 20A solar charge controller, and a 7Ah lead acid battery. 10W router still powered from grid - for now - with 100 MBps fibre internet connection

Here is a our new hen house door opener / closer designed for use with linear actuator controlled doors with internal limit switches. A light detector automatically closes door at dusk and opens at dawn, with manual open and close buttons also provided: reuk.co.uk/wordpress/hen-hou…

Arduino based double pulse spot welder timer for #18650 cell battery pack building reuk.co.uk/wordpress/dual-pu…