1. Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
    Dismiss Notice

Recent Activity

Activity stream for all registered members at Electronics Forum (Circuits, Projects and Microcontrollers).

  1. jpanhalt replied to the thread Fastest Multi-precision Division Routines?.

    And in all fairness to C, of the methods I have mentioned, only the Hemsley is truly 32-bit/16-bit. The other methods are...

    Sep 20, 2017 at 2:00 PM
  2. picbits replied to the thread What was your worst injury as a hobbyist?.

    Using a pillar drill to drill out an aluminium timing gear centre without using a drill vice. I was holding it tight until the drill...

    Sep 20, 2017 at 1:27 PM
  3. abouabdelmajid liked granddad's post in the thread solar battery charger.

    My solar controller build from stuff taken / modified from the web... has charge / discharge current measurement , a work in progress...

    solar01.jpg Sep 20, 2017 at 1:19 PM
  4. dr pepper replied to the thread How to determine a current is AC or DC by use of analog multimeter?.

    A meter set to Dc applied to an ac voltage will (so long as theres no dc offset like from a transformer) under read a lot or even show...

    Sep 20, 2017 at 12:50 PM
  5. dr pepper replied to the thread Bathroom Solution. Any ideas? :).

    Whatever you come up with bear safety in mind, here in the Uk the power supply would need to be Selv rated if it is within a certain...

    Sep 20, 2017 at 12:43 PM
  6. KeepItSimpleStupid replied to the thread 120 VAC voltage detection.

    I'd say variac, variable autotransformer, as my first choice. A 2400 ohm potentiometer or close to that. parallel a resistor to a 5K...

    Sep 20, 2017 at 12:41 PM
  7. KennyBoss replied to the thread Help , circuit , 555 , dc motor.

    Okay Guys ill buy that motor but can someone please send a schematic of how i should design the circuit to acheive the 5 second...

    Sep 20, 2017 at 12:40 PM
  8. dr pepper posted a new thread.

    Arduino capture

    Have I got this right. If you setup timer1's capture module when the capture input pin goes active timer 1's value gets copied into the...

    Forum: Microcontrollers

    Sep 20, 2017 at 12:34 PM
  9. granddad attached a file to the thread solar battery charger.

    My solar controller build from stuff taken / modified from the web... has charge / discharge current measurement , a work in progress...

    solar01.jpg Sep 20, 2017 at 11:55 AM
  10. abouabdelmajid liked SPDCHK's post in the thread solar battery charger.

    My Arduino PWM solar charger is based on Julian Ilett's design. Also have a look here LCD I2C Lib

    Sep 20, 2017 at 11:43 AM
  11. MikeMl replied to the thread Transformer less Power Supply.

    Resistors have a maximum voltage rating, as well as a maximum power dissipation rating...

    Sep 20, 2017 at 11:27 AM
  12. MikeMl replied to the thread Bathroom Solution. Any ideas? :).

    Can you mount a switch that looks like one of these so that the switch arm is depressed by the deadbolt?

    Sep 20, 2017 at 11:25 AM
  13. Parth86 liked Ian Rogers's post in the thread DeclarationFunction , parameters and argument.

    Look here:- [ATTACH] When the switch is open, a high is felt on the MCU pin When the switch is on then the port pin will be low. So!!!...

    upload_2017-9-20_18-41-44.png Sep 20, 2017 at 10:52 AM
  14. MikeMl replied to the thread solar battery charger.

    SPDCHK: What useful purpose do the Schottky diodes D6, D8, D9 serve? (hint, they do nothing, generate heat, and then they need the...

    Sep 20, 2017 at 10:46 AM
  15. be80be replied to the thread FYI: Feature Rich PIC18FxxK42 Series.

    24 f is a great chip the MMC code configure is a great tool The tool lets you setup the hardware easy heck even I can do it. I'm in love...

    Sep 20, 2017 at 10:34 AM
Loading...