| RSS Web Feed for Renewable Energy UK |  | REUK Shop | Directory | Bookmark Site | About Us  

ELECTRONICS


Electronics Articles

There are a range of electronic devices available to manage renewable energy systems and to assess energy usage. Find out more about them here.

Energenie 30 Minute Rundown Timer
A device to automatically switch off power to a socket after 30 minutes
Article Last Modified: 11:35, 27th Feb 2010
shopping | energy efficiency | electronics

Owl Wireless Electricity Monitor
Find out more about the Owl wireless electricity monitor (formerly know as Electrisave)
Article Last Modified: 13:46, 13th Feb 2010
shopping | carbon | electronics

Freeloader Pico
Buy the new economical Freeloader Pico solar charger
Article Last Modified: 12:37, 8th Dec 2009
solar | shopping | electronics

Solar Charge Controller
Find out more about Solar Charge Controllers
Article Last Modified: 11:12, 29th Oct 2009
solar | electronics | electric circuit

Battery Desulfation
Find out how to desulfate/desulphate and rejuvenate lead acid batteries
Article Last Modified: 16:56, 5th Oct 2009
storage | electronics

Drayton SHR52120 Solar Thermal Controller
Find out more about (and buy) the Drayton SHR 521 20 solar thermal controller
Article Last Modified: 11:44, 3rd Oct 2009
solar | water | heating | electronics | shopping

Latching Relays
Find out about latching relays and their uses
Article Last Modified: 17:03, 18th Aug 2009
electronics | electric circuit | general

Timer Circuits With 4060B
Build a reliable timer to switch devices on and off - from 30 seconds to 24 hours
Article Last Modified: 09:58, 15th Aug 2009
electronics | electric circuit

Repeat Timer Circuit
Make a repeat timer circuit with large intervals between ON times
Article Last Modified: 09:58, 15th Aug 2009
electric circuit | electronics | general

Control Mains Powered Devices with Low Voltage
Switch mains powered devices on and off safely and simply with low voltages
Article Last Modified: 13:07, 3rd Aug 2009
general | education | electric circuit | electronics

Solar Pump Controller for Swimming Pools
Read about the new REUK solar pump controller for swimming pool heating
Article Last Modified: 16:37, 1st Jun 2009
solar | heating | electronics

Make a Waterproof Temperature Probe
Find out how to make a waterproof temperature probe
Article Last Modified: 16:37, 1st Jun 2009
electronics | heating | water

Use a Chest Freezer as a Fridge
Find out how a chest freezer can be converted to operate as an energy efficient fridge
Article Last Modified: 12:26, 30th May 2009
energy efficiency | electronics | carbon

Low Voltage Battery Disconnect Circuits
Find out more about low voltage battery disconnect (LVD) circuits - used to protect batteries
Article Last Modified: 15:04, 28th May 2009
electric circuit | electronics | storage

Using Breadboard to Make Circuits
Find out how a breadboard is used to design prototype electronic circuits
Article Last Modified: 12:52, 11th Apr 2009
electronics | education

Dynamo Hubs For Wind Turbines
Dynamo Hubs and bottle dynamos for use in small DIY wind turbine generators
Article Last Modified: 12:18, 11th Apr 2009
wind | electronics

Convert Thermostat to 12v Timer Switch
Find out how to modify a battery powered thermostat to be used as a 12 Volt DC timer switch
Article Last Modified: 16:12, 24th Mar 2009
electronics | electric circuit | general

Renewable Energy Powered Timer Relay Switch
Powering an AA battery powered timer thermostat directly with a 12V power source
Article Last Modified: 16:12, 24th Mar 2009
electric circuit | electronics | general

Multiple PIR Sensor Circuits
Connecting more than one PIR sensors in a circuit
Article Last Modified: 17:00, 9th Mar 2009
electronics | electric circuit | general

Do It Yourself Power Meter
Find out how to make your own power meter to measure electricity consumption
Article Last Modified: 11:02, 7th Jan 2009
electronics | education | energy efficiency

What Are Ultracapacitors
Find out about ultracapacitors - how they work and what they are used for.
Article Last Modified: 16:38, 15th Dec 2008
storage | electronics

Wind Up Eco Media Player
Find out more about the Eco Media Player - the world's first windup video player from Trevor Baylis
Article Last Modified: 16:38, 15th Dec 2008
shopping | electronics | carbon

Wind Turbine Charge Controller
Buy a charge controller for a wind turbine generator
Article Last Modified: 15:46, 3rd Dec 2008
wind | electronics | shopping

Solar Powered Poultry Lighting
Put together a solar system to power poultry lighting - increase winter egg production
Article Last Modified: 10:21, 15th Nov 2008
solar | electric circuit | general | electronics

Convert Digital Mains Timer To Low Voltage
Convert a cheap digital mains timer into a low voltage programmable timer relay
Article Last Modified: 10:21, 15th Nov 2008
electronics | electric circuit | general

Relays and Renewable Energy
Find out more about relays and their uses in renewable energy applications
Article Last Modified: 10:50, 24th Oct 2008
electric circuit | electronics | general

Simple Well Pump Controller
Find out how to automatically get water from the well into a header tank
Article Last Modified: 11:52, 1st Oct 2008
water | electronics | electric circuit

Solargorilla Laptop Charger
Find out about the Solargorilla - a rugged solar powered laptop charger
Article Last Modified: 12:55, 25th Sep 2008
shopping | solar | electronics

Relay Boards
Find out about relay boards - what they are, where to buy them, and how to use them
Article Last Modified: 15:16, 19th Sep 2008
general | electric circuit | electronics

PICAXE Microcontrollers
Find out about PICAXE microcontrollers and their use in renewable energy projects
Article Last Modified: 12:12, 18th Sep 2008
electronics | electric circuit | education

Steca TR 0301 Solar Water Heating Controller
Find out more about the Steca TR0301 temperature difference controller
Article Last Modified: 17:05, 15th Sep 2008
water | solar | heating | electronics

LM317T Voltage Regulator Chip
Learn about the LM317T and its uses in renewable energy projects
Article Last Modified: 14:35, 9th Sep 2008
electronics | electric circuit

Rainwater Toilet Flush System
Find out how to put together a complete rainwater fed toilet flushing system
Article Last Modified: 15:16, 19th Aug 2008
water | general | electronics

Fuse and Solar Panels
Using a fuse to prevent a short circuit when connecting solar panel to battery
Article Last Modified: 15:16, 19th Aug 2008
electronics | solar

Shunt Regulator
Find out about the uses of shunt regulators and dump load controllers in renewable energy applications
Article Last Modified: 15:13, 19th Aug 2008
electronics | electric circuit

Germanium Diodes
Learn about the advantages of Germanium Diodes
Article Last Modified: 13:43, 8th Aug 2008
electronics

12 Volt Programmable Timer Switch
Automatically control devices with a 12 Volt powered timer switch
Article Last Modified: 13:26, 7th Aug 2008
electronics | lighting | general

Use Thermostat as 12 Volt Timer
Find out how an old battery powered thermostat can be used as a low voltage automatic timer
Article Last Modified: 13:21, 7th Aug 2008
electric circuit | electronics | general

Switch Mains Powered Appliances Safely
Find out how to safely control mains-powered devices automatically without needing an electrician
Article Last Modified: 16:41, 6th Aug 2008
electric circuit | electronics | general

Simple Sump Pump Controller
Put together a sump pump controller with two float switches and NO electronics
Article Last Modified: 08:58, 5th Aug 2008
water | electric circuit | electronics

Watts Up Meter
Track power usage, voltage and current with a Watts-Up meter
Article Last Modified: 12:24, 1st Aug 2008
storage | electronics | shopping | energy efficiency

Renewable Energy System Data Logger
Track the performance of your RE system with a data-logger
Article Last Modified: 09:56, 31st Jul 2008
electronics | general | shopping

Solar Charge Controllers on eBay
Find out about the selection of solar charge controllers available on ebay
Article Last Modified: 15:43, 29th Jul 2008
solar | electronics | shopping

Power Inverters
Find out about the uses of power inverters in renewable energy generation
Article Last Modified: 16:41, 21st Jul 2008
storage | general | electronics

DC Voltage Multiplier Circuit Plans
Build a circuit to boost the voltage of a DC power source using a MAX756 IC Chip
Article Last Modified: 09:06, 10th Jul 2008
electric circuit | electronics | education

Sump Pump Control System
Put together a fully automatic system to reliably pump out the water collected in a sump pit
Article Last Modified: 16:02, 2nd Jul 2008
water | electric circuit | electronics

Sturmey Archer Dynohub
The Sturney Archer Dynohub in RE Applications
Article Last Modified: 16:37, 3rd Jun 2008
wind | electronics

P3 Kill a Watt PS P4320
Find out more about the Kill-a-Watt Power Strip P4320
Article Last Modified: 13:20, 30th Apr 2008
energy efficiency | electronics | general

LM317 Voltage Calculator
A handy online output voltage calculator for the LM317, LM338, and other linear voltage regulators
Article Last Modified: 12:47, 12th Mar 2008
electric circuit | electronics | general

LM317 Current Calculator
A handy online output current calculator for the LM317, LM338, and other linear voltage regulators
Article Last Modified: 12:47, 12th Mar 2008
electric circuit | electronics | general

Using The LM317T To Regulate Voltage
Use an LM317T to regulate voltage in renewable energy projects
Article Last Modified: 15:04, 7th Mar 2008
electric circuit | electronics

Making Very Accurate Timers
Find out about how to make very accurate electronic timers
Article Last Modified: 14:12, 20th Feb 2008
electronics

EyeMax Freeplay Wind Up Radio
Find out more about the Freeplay EyeMax Eco-Charge AM/FM Radio
Article Last Modified: 10:24, 13th Feb 2008
shopping | electronics | general

Solar Tracker
Set up solar panels to track the motion of the sun across the sky to maximise power output
Article Last Modified: 10:37, 9th Feb 2008
solar | electronics

Understanding Liquid Sensors
Learn more about liquid sensors and their limitations compared to float switches
Article Last Modified: 12:16, 2nd Feb 2008
water | electronics

Adjustable Step Up Voltage Regulator
Find out more about a step up voltage regulator used to output a voltage higher than the input voltage
Article Last Modified: 11:42, 15th Dec 2007
electronics | electric circuit | general

High Current Voltage Regulation
Connect voltage regulators in parallel to increase the current which can be regulated
Article Last Modified: 17:16, 5th Dec 2007
electric circuit | electronics | general

Buy UK Power Meter
Buy a UK Compliant Kill-a-watt
Article Last Modified: 09:51, 30th Nov 2007
carbon | energy efficiency | electronics | general

LED Dimmer Circuit
Find out how to put together a simple but efficient PWM dimmer circuit for LEDs
Article Last Modified: 16:03, 21st Nov 2007
lighting | electronics | electric circuit

Water Pump Hysteresis Circuit
A simple circuit to prevent a pump being damaged by being turned on and off rapidly (multiswitching)
Article Last Modified: 14:54, 19th Nov 2007
water | electronics | electric circuit

PIR Sensor Circuits
Find out more about using PIR sensors within renewable energy applications
Article Last Modified: 11:32, 3rd Nov 2007
electronics | electric circuit | general | solar

LM741 Light Dark Sensor Circuit
Build a light/dark sensing circuit to automatically turn on/off lights and other devices
Article Last Modified: 08:43, 2nd Nov 2007
electronics | electric circuit | general

LM741 OpAmp Voltage Indicator
Plans for a simple voltage high/low indicator built around an LM741 operational amplifier
Article Last Modified: 09:31, 8th Oct 2007
electronics | electric circuit | general

PIR Sensors
Find out how to integrate PIR (passive infra red) sensors into renewable energy applications
Article Last Modified: 15:30, 2nd Oct 2007
electronics | solar | general

Buy 35A Bridge Rectifiers
Buy 35A 600V MB356 Bridge Rectifiers in the UK
Article Last Modified: 09:43, 30th Jul 2007
electronics | wind

12 Volt Battery Low Indicator LM741
Plans for a battery low indicator for a 12 Volt battery using an LM741 operational amplifier
Article Last Modified: 10:17, 28th Jul 2007
electronics | electric circuit | general

Solar Water Heating Pump Controller
Build an electronic pump controller for a solar water heating system
Article Last Modified: 11:33, 9th Jul 2007
water | solar | electronics

Solar Powered Wireless CCTV
Use a solar panel to power a wireless CCTV system
Article Last Modified: 09:32, 26th Jun 2007
solar | electronics | electric circuit

TL431 Battery Voltage Monitor
Monitor the voltage of a battery or battery bank using an TL431 (aka LM431) shunt regulator
Article Last Modified: 16:42, 11th Jun 2007
storage | electric circuit | electronics

Power 12V LED Spotlight with 4 AA Batteries
Use a DC-DC converter to step up the voltage from 4 AA batteries to light a bright 12V LED spotlight
Article Last Modified: 11:41, 22nd May 2007
lighting | electronics | education

Fixed Voltage Regulators
Use a voltage regulator to obtain a fixed voltage supply (at <1.5 Amps) from a variable source
Article Last Modified: 11:17, 21st May 2007
electric circuit | electronics

Voltage Doubler for Solar Battery Charger
Boost the voltage of a solar panel to power higher voltage devices or charge batteries
Article Last Modified: 13:15, 16th May 2007
solar | electronics | education

What is a Transistor
A basic introduction to bipolar junction transistors
Article Last Modified: 11:15, 23rd Apr 2007
electronics | education

Example Transistor Circuit with LEDs
Put together a very simple circuit which uses LEDs to show how transistors work
Article Last Modified: 11:12, 23rd Apr 2007
electronics | education

Reed Switches
Find out more about reed switches and their uses in RE
Article Last Modified: 09:54, 4th Apr 2007
electric circuit | electronics | wind

Making a Bridge Rectifier
Find out how to make a bridge rectifier for your wind turbine
Article Last Modified: 16:17, 22nd Mar 2007
electronics | wind

Basic Ammeters and Voltmeters
Find out how to monitor the health of your RE system's generator and batteries
Article Last Modified: 18:17, 26th Feb 2007
electronics | storage | wind | solar

Kill a Watt
Review of the Kill-a-Watt Energy Usage Meter
Article Last Modified: 16:56, 19th Feb 2007
energy efficiency | electronics | general

Diodes and Solar Panels
Why are solar panels connected to batteries through a diode?
Article Last Modified: 18:00, 2nd Feb 2007
electronics | solar

Bridge Rectifier
Find out more about bridge rectifiers.
Article Last Modified: 15:33, 2nd Feb 2007
electronics | wind | wave

Grid Tie Inverters
Find out more about Grid Tie Inverters - connect your RE system to the grid
Article Last Modified: 16:36, 2nd Jan 2007
general | wind | solar | electronics

Fuel Cells
Introduction to Fuel Cell technology and its benefits and disadvantages
Article Last Modified: 12:20, 21st Apr 2006
transport | electronics

Battery System Monitor
Find out how to monitor your renewable energy system battery bank
Article Last Modified: 20:28, 30th Mar 2006
electronics | storage

© 2006-2010 REUK - All Rights Reserved
Page Last Updated on 19th March 2010 at 01:52:02pm

Latest
Articles


Wireless Electricity Monitors
Up to date details of the wireless electricity monitors for sale in the UK
shopping
13:51, 19th Mar 2010

Feed in Tariff
Find out more about feed in tariffs - the amount you can be paid for exporting renewable electricity to the National Grid
solar
16:24, 16th Mar 2010

REUK Feed In Tariff Calculator
Calculate the possible return on your investment with the new UK feed in tariff
solar
16:17, 16th Mar 2010

Power Predictor from Better Generation
Find out about the new Power Predictor from Better Generation - solar and wind power data logger
wind
09:30, 11th Mar 2010

Review of Wind Power Peter Musgrove
A review of Wind Power by Peter Musgrove - Cambridge University Press
wind
13:48, 10th Mar 2010

Maximising Air Conditioner Efficiency
Find out how to use air conditioning efficiently
energy efficiency
10:36, 2nd Mar 2010

Energenie 30 Minute Rundown Timer
A device to automatically switch off power to a socket after 30 minutes
shopping
11:35, 27th Feb 2010

UK Renewable Energy Degree Courses
Study renewable energy at university in the UK
education
16:53, 17th Feb 2010



REUK Shop

Popular Items


REUK SUPER TIMER
User programmable 12V powered 10A rated repeating relay timer. 1 second to 99 hours ON and OFF times
£19.99 each.
Complete Circuits



SOLAR PUMP CONTROLLER WITH RELAY
Solar water heating system microprocessor controlled circuit with fitted 10A relay
£25.99 each.
Complete Circuits



12 VOLT 5 WATT SOLAR PANEL
Waterproof 12 Volt 5 Watt Solar Panel with aluminium frame - 290mm x 205mm x 17mm with fitted 5m leads
£33.99 each.
Solar Power



300 WATT POWER INVERTER
Convert 12V DC battery power into 230 AC to power portable televisions, computers, video recorders etc. 300 Watt power rating - peak power 600 Watts
£29.99 each.
Renewable Energy System Parts



CONVERTED PROGRAMMABLE DIGITAL TIMER RELAY
Mains powered programmable timer converted to low voltage with relay board
£21.99 each.
Renewable Energy System Parts



12 VOLT REGULATOR
Supply a fixed 12.0 Volt DC to your devices (up to 1 Amp output)
£4.99 each.
Complete Circuits



MR16 CERAMIC BULB HOLDER
Bulb holder for 12 Volt LED spotlight bulbs
£1.39 each.
Energy Efficient Lighting