Modify the CH341A EEPROM Programmer (Black Edition) for 5V …
WEBIn this video I'll go over a combination of programmer software, EEPROM adapter, and programmer printed circuit board (PCB) modifications to allow +5V 93XXX...
CH341A Mini Eeprom Programmer Modification, PLUS Making a ... - YouTube
WEBModifying the CH341A to run on 3.3v to correct data and clock output disparity when programming 3.3v devices.
3.3V CH341a Signal Output Modification - Chuck Nemeth
WEBMar 17, 2024 · After realizing that my Black CH341a was not working as intended while flashing my x230 with Coreboot, (it was sending 5V to the signal outputs instead of 3.3V) I decided to attempt the fix I found online. It went well and only took about 15 minutes.
modding the CH341a Mini Programmer 1 - YouTube
WEBmodding the CH341a Mini Programmer 1. amateur repairs. 560 subscribers. Subscribed. 86. 9.2K views 2 years ago.
CH341A Mini Programmer Schematic and Drivers - One Transistor
WEBAug 5, 2017 · CH341A is an USB interface chip that can emulate UART communication, standard parallel port, memory parallel port and synchronous serial (I2C, SPI). The chip is manufactured by Chinese company Jiangsu QinHeng Ltd. CH341A is used by some cheap memory programmers.
How to use cheap CH341A programmer for read/write 95xxx …
WEB5 days ago · Use a CH341a programmer to read or write to 93XXX Eeproms UPDATE: Only six wires are required to write to 93C66 (plus 93A66) series chips. The connection to 3.3 v is not required, so I've simplified the set up and listed the details below.
CH341A Serial Memory Programmer Power Supply Fix - Page …
WEBOct 14, 2017 · All Vcc connections in the ZIF socket are 3.3V but the CH341A is powered at 5V. So all I2C and SPI signals are 5V while the external memory is powered at 3.3V. There are no limiting series resistors on those signals. One simple solution to fix this issue is to simply bypass the 1117-3.3V regulator.
[GUIDE] Flash BIOS with CH341A programmer - Bios Mods
WEBNov 19, 2018 · If you receive this error(s) with the CH341A programmer connected to bios chip: This error(s) is caused by the bad connection of the clip or by the wrong software version. Try the following steps:
CH341A Serial Memory Programmer Power Supply Fix - Page …
WEBMay 28, 2020 · All Vcc connections in the ZIF socket are 3.3V but the CH341A is powered at 5V. So all I2C and SPI signals are 5V while the external memory is powered at 3.3V. There are no limiting series resistors on those signals. One simple solution to fix this issue is to simply bypass the 1117-3.3V regulator.
CH341A Programmer 3.3V Fix | Voltlog #318
WEBJul 1, 2020 · You might get lucky, you might have a chip that will tolerate that but in general that’s bad practice and so we’re going to attempt to fix it by simply cutting the 5V line going into the CH341 pin 28 and supplying it with 3.3V from the onboard regulator instead.
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