Sep 15, 2006 #1 R roykyn Full Member level 5 Joined Sep 15, 2006 Messages 253 Helped 12 Reputation 24 Reaction score 5 Trophy points 1,298 Activity points 2,704 variable current source I NEED A SIMPLE 4mA-20mA DIGITALLY VARIABLE CURRENT SOURCE it should be digitally controlled...may be 12 bit is enough
variable current source I NEED A SIMPLE 4mA-20mA DIGITALLY VARIABLE CURRENT SOURCE it should be digitally controlled...may be 12 bit is enough
Sep 16, 2006 #2 I IanP Advanced Member level 7 Joined Oct 5, 2004 Messages 7,929 Helped 2,311 Reputation 4,624 Reaction score 531 Trophy points 1,393 Location West Coast Activity points 66,416 4ma to 20ma why is using Here is an example of 4-20mA tester based on PICAXE microcontroller: It is 10-bit conversion and the code can be easily modified not to take control form a potentiometer but from the serial port .. Regards, IanP
4ma to 20ma why is using Here is an example of 4-20mA tester based on PICAXE microcontroller: It is 10-bit conversion and the code can be easily modified not to take control form a potentiometer but from the serial port .. Regards, IanP
Sep 16, 2006 #3 P pixel Advanced Member level 2 Joined Sep 16, 2004 Messages 508 Helped 69 Reputation 138 Reaction score 16 Trophy points 1,298 Activity points 3,993 0 to 20ma variable current source AD421 **broken link removed**
Sep 17, 2006 #4 R roykyn Full Member level 5 Joined Sep 15, 2006 Messages 253 Helped 12 Reputation 24 Reaction score 5 Trophy points 1,298 Activity points 2,704 what is the 4ma-20ma sorry cant use the picaxe....the methoud u suggest should be the cheapest....