Path: ...!weretis.net!feeder6.news.weretis.net!feeder8.news.weretis.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Arie de Muijnck Newsgroups: sci.electronics.repair Subject: Re: 6v pilot lamp Date: Thu, 14 Mar 2024 10:06:08 +0100 Organization: A noiseless patient Spider Lines: 11 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Thu, 14 Mar 2024 09:06:07 -0000 (UTC) Injection-Info: dont-email.me; posting-host="d2b23eae29af691a34c008c3fef2807c"; logging-data="1483851"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18NjLYIBXAlZ41H4Al1bxTfNneg2arY3Ak=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:N6VWMJrJvfuzevUBVTb4shMKfF0= Content-Language: nl In-Reply-To: Bytes: 1406 On 2024-03-14 05:31, UFO wrote: > > Been hearing that a lot for responses. > Since the LED needs I guess 1.5V to be on, > and can burn out with too much voltage, it > did not seem to be a suitable option. That is why series resistors are always used. R = (Vin - Vled) / Iled Arie