Post Created date
Audio Jack Detection
Hi,   I currently have a TI LM4952TS running a speaker and it works great.     I would like to put a switchcraft NPB638 jack in series between the...
Wednesday, 14 March 2018 - 13:35
Hi All,   Thanks for all your help.   I have opted to go for awneil solution.  I have selected the ADUM3190. OK so far so good, I have decided to use figure 29...
Wednesday, 24 January 2018 - 12:22
DAC Selection Help
Hi Brian,   EDIT: * Input impedance; 10K ohm pull DOWN TO GND.   NOT pullup to VCC.   My mistake sorry.   Thanks,   Tuurbo46
Friday, 1 December 2017 - 11:38
DAC Selection Help
Hi Brian,   Thanks for your guidance.  A couple more learning questions.  The above circuit #12 is to be used on analog input ports on the ECU so all good. ...
Friday, 1 December 2017 - 10:39
DAC Selection Help
Hi All,   Just an update.  I have opted to use Brians circuit on post #12.  Just to confirm his circuit offers 4 states, 0V, 1.25V, 2.5V and 5V, because Y0 is...
Friday, 1 December 2017 - 09:23
DAC Selection Help
Hi,   Is this Analog Devices OP184FSZ  a good upgrade for a 741?   And Brian, your solution looks nice and easy also.   Thanks,   Tuurbo46
Tuesday, 28 November 2017 - 13:18
DAC Selection Help
Morning,   Thanks for your great help.   Because I require 0V, 1.25V, 2.5V and 5V, and the 3bit DAC max voltage output is 4.375V, do I multiply the voltage output by 2...
Tuesday, 28 November 2017 - 07:41
DAC Selection Help
Hi again,   Ok so on my 2bit 2-R2 example I have 5V on both bo and b1 inputs.   The formula is Vout = Vbo/4 + Vb1/2   My truth table is below and what I would like...
Monday, 27 November 2017 - 20:24
DAC Selection Help
Hi all,   I like the R-2R ladder route.  I am just trying to work out the math a the minute.  It initially looks easy but its not.  I will come back if i am...
Monday, 27 November 2017 - 19:58
Latching Relay vs Flip Flop
Hi,   Thanks for all your input.  Very helpful forum as always.   I will have a good read and come back if I get stuck.   Thanks,   Tuurbo46.
Tuesday, 14 November 2017 - 08:20
Latching Relay vs Flip Flop
Hi jfiresto,   Is this the type of relay you mean?   RS components: 683-9469   Thanks,   Tuurbo46
Monday, 13 November 2017 - 15:18
Latching Relay vs Flip Flop
Hi,   Sorry to be a pain.  The switch will not physically fit - I would use if i could.   OK lets ditch the last know state, just initialise into a default state....
Monday, 13 November 2017 - 14:19