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From: Frank Krygowski <frkrygow@sbcglobal.net>
Newsgroups: rec.bicycles.tech
Subject: Re: For those who believe in electricity
Date: Tue, 8 Apr 2025 17:15:25 -0400
Organization: A noiseless patient Spider
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On 4/8/2025 4:00 PM, Zen Cycle wrote:
> On 4/8/2025 3:04 PM, Frank Krygowski wrote:
>> On 4/8/2025 1:40 PM, Zen Cycle wrote:
>>> On 4/8/2025 12:44 PM, Frank Krygowski wrote:
>>>> On 4/7/2025 2:58 PM, Zen Cycle wrote:
>>>
>>>>> Just as a matter of personal interest, can you read the numbers off 
>>>>> the 16 pin IC?
>>>> It has no numbers or other codes at all! It's solid black with a 
>>>> sort of fine stippled finish.
>>>>
>>>
>>> Take another look. I can see 4 rows of text but the resolution on the 
>>> picture isn't good enough to make it out. FWIW, it's the square 
>>> device in your second picture with 4 solder joints on each side, next 
>>> to the octagonal device with "220" written on it (that's a 220uH 
>>> inductor, likely part of a PWM or PS switcher circuit).
>>
>> Sorry, Zen, it absolutely has no writing on it. I don't know if I can 
>> manage a micro photograph to convince you, but I'm using a high 
>> powered loupe in sunlight. It's just a stippled black finish.
>>
>>
> 
> Try again, using this as a reference:
> 
> https://1drv.ms/i/c/5c034a6b86a172e9/ 
> EX6snfFdTeJMl1tfB4xqOUwBXw_4YXVPsbTNjw04Bpgcdw?e=lFRSWg
> 
> 4 lines of text. I think I can make out 4x35x on the first line, but 
> that's it.

Those are reflections. There is no text, no letters, no numbers. I'll 
try to get a super-closeup photo later, but this is silly.

-- 
- Frank Krygowski