- #1
simo
- 18
- 0
Can you tell me what is wrong with my timer. I want it to make a relay open and shut periodically. For some reason it's not working.
Troubleshooting My Timer: Why Won't My Relay Open and Shut?
- Thread starter simo
- Start date
-
- Tags
- Relay Timer Troubleshooting
Click For Summary
Discussion Overview
The discussion revolves around troubleshooting a timer circuit intended to control a relay, focusing on why the relay is not functioning as expected. Participants explore the circuit design and current flow related to the timer's output.
Discussion Character
- Technical explanation, Debate/contested
Main Points Raised
- One participant seeks help with a timer that is supposed to open and shut a relay but is not functioning properly.
- Another participant questions whether the output being shorted to ground is intentional or a mistake.
- A participant confirms that the output is indeed shorted to ground and inquires about the effect of disconnecting the output/diode junction from ground on current sinking.
- Another participant calculates that the sink current would be approximately 11mA based on provided numbers, suggesting that the 555 timer should be capable of sinking that current.
Areas of Agreement / Disagreement
Participants express differing views on the circuit configuration and its implications for current flow, indicating that multiple perspectives on the issue remain unresolved.
Contextual Notes
There are assumptions regarding the circuit design and the specific components used, which may affect the discussion but are not fully detailed.
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