Johnny_B_Goode
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Johnny_B_Goode It seems to be the yellow/blue versions that are the exception regarding the Vcc and ground pin locations on these 128x64 0,96 inch oled displays. Don\'t assume any of these oleds are direct drop in replacements just because they LOOK LIKE drop in replacements! Take heed and double check the Vcc/Gnd pin locations when switching to a different brand or colour combination!

Johnny_B_Goode 03/09/2021
I'd ordered two from the Chinese warehouse 2021-08-27 and they arrived 2021-09-03 some 12 days earlier than the promised deliver by date. Both eventually proved to be working once I'd replaced the 662K LDO chip on the first one I'd tried to test by using it as a drop in replacement for the yellow blue version I was using, forgetting to confirm that the Vcc and ground pins occupied the same locations
Geekcreit® 0.96 Inch OLED I2C IIC Communication Display 128*64 LCD Module Geekcreit for Arduino - products that work with official Arduino boards
Geekcreit® 0.96 Inch OLED I2C IIC Communication Display 128*64 LCD Module Geekcreit for Arduino - products that work with official Arduino boards
US$0.00
0
Comments (1)

Johnny_B_Goode Ibought mine (the Longwei 4 digit unit) November 2019

BG180143140 15/01/2021
For the money you can't beat it ... especially if you get it in a Flash Deal ! I actually did the mod on the switching MOSFET's to cut the switching noise down that's present on the output. There's no need to do that if you're only going to use it as a general power source I use it on circuits that I'm also connecting a scope to so I needed to get rid of as much of that background mush as I could.
LONGWEI K3010D 4 Digits LED Display 110V/220V 30V 10A Adjustable DC Power Supply Switching Regulated Power Supply
LONGWEI K3010D 4 Digits LED Display 110V/220V 30V 10A Adjustable DC Power Supply Switching Regulated Power Supply
US$0.00
1
Comments (1)

Johnny_B_Goode An interesting use of the phrase, "Works great" ;-) . . . . . . . . I guess you must have been attracted by the "Get double review points if you are one of the first 3 reviews published!" promise and decided to play it 'safe'. , , , , , I'm assuming you're a well seasoned BG products reviewer in making this assumption. ;-) , , , , , , , JBG 2020-07-02

Bal 08/06/2020
Works great
DC 6-40V to 3.3V 5V Low Noise 2 in 1 LDO Linear Regulators DC-DC Buck Power Converter Module Replace AMS1117 LM317 7805
DC 6-40V to 3.3V 5V Low Noise 2 in 1 LDO Linear Regulators DC-DC Buck Power Converter Module Replace AMS1117 LM317 7805
US$0.00
0
Comments (1)

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