Questions tagged [parallel]
More than one of a thing, performing the same task simultaneously
982 questions
0 votes
2 answers
82 views
Connecting 2 COB in parallel [duplicate]
I have 2 COB chips rated upto 400ma at 36v connected in parallel with a 600ma constant current driver (54v max) On testing both led worked fine but had minor difference in lumens at some levels as I ...
2 votes
1 answer
121 views
Most efficient way of switching 3 cells between series and parallel
I'm working on a circuit that's powered by 3 AA-sized cells. I intend to test the circuit with a couple different battery chemistries, so I need a way to reconnect the cells in parallel/series ...
0 votes
1 answer
119 views
How to implement OTG FS hardware using embedded PHY on STM32F105/107 microcontrollers
I want to be able to use the DFU1 and OTG2 FS3 functionalities in both host and device modes,...
2 votes
5 answers
763 views
Why are Zener diodes connected in parallel with the load?
Why are Zener diods connected in parallel with the load rather in series when connected as a voltage regulator?
1 vote
0 answers
100 views
How do I change my 4-bit down-counter from counting 9→3 to counting 14→0 (mod-15)?
As the title says, I have been really struggling, with converting my current 4-bit counter that counts down -1 from numbers 9-3 to switch to 14-0, it is meant to be a synchronous and parallel, meaning ...
1 vote
1 answer
63 views
Can I connect two SSR devices (TLP3547(TP1,F) to the same load?
I am trying to implement the following schematic: The two +30V sources are controlled simultaneously with the SSR LEDs. So if the top 30V source is switched on, the top SSR turns to ON state, and ...
0 votes
1 answer
67 views
Parallel BMS ID Conflict – Need Better Logic for Dynamic ID Assignment
I’m working on a parallel BMS system where multiple BMS units communicate over a CAN bus. Since there is no master-slave configuration, each BMS must dynamically assign itself a unique CAN ID. The ...
0 votes
1 answer
92 views
Parallel circuit with LED
simulate this circuit – Schematic created using CircuitLab Why does current flow in the middle wire but not the bottom one with LED? Why is the voltage drop across R1 5V instead of 2.5V, and LED ...