Guide CH341A USB Programmer Hardwareluxx
Jan 14 2007 nbsp 0183 32 Aktuelle Chips haben meist eine Betriebsspannung von 1 8V haben der CH341A kann aber nur eine minimale Spannung von 5V und 3 3V ausgeben Voraussetzung ist daf 252 r
Solderless CH341A B Fix 5V To 3 3V Data Lines, Congratulations your CH341A B programmer s data lines are now operating at the proper 3 3 volts Learn how to safely convert your CH341A B USB flash programmer s 5V data lines to 3 3V without soldering using a simple jumper and PCB trace modification
CH341A USB Programmer Auf 3 3V Und 5V Umr 252 sten
Dec 30 2022 nbsp 0183 32 Neben meinem TL866II Plus habe ich noch einen CH341A und Nano USB Programmer Mein TL866II Plus bekommt das mit den 5V und 3 3V perfekt hin der CH341A USB Programmer dagegen leider nicht
CH341A Mini Programmer Schematic And Drivers One Transistor, Aug 5 2017 nbsp 0183 32 quot The operating voltage of other circuits connected to the chip cannot exceed 3 3V quot when CH341A is powered from 3 3V Otherwise I O pins use 5V when chip is supplied with 5V
CH341A Serial Memory Programmer Power Supply Fix Page
CH341A Serial Memory Programmer Power Supply Fix Page , Oct 14 2017 nbsp 0183 32 The CH341 chip supports a 5V supply voltage or a 3 3V supply voltage When using a 5V supply voltage the VCC pin of the CH341 chip inputs an external 5V power supply and the V3 pin should be externally connected with a power supply decoupling capacitor of 0 01uF to 0 1uF
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3 3V CH341a Signal Output Modification Chuck Nemeth
3 3V CH341a Signal Output Modification Chuck Nemeth Mar 17 2024 nbsp 0183 32 We need to lift pin 28 VCC to break it s 5V feed and connect it to capacitor C4 which also connects to pin 9 V3 Then connect that to the middle pin on the AMS 1117 V out Doing so results in feeding pin 28 of the CH341A with 3 3V from the output of the AMS1117 voltage regulator chip
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Dec 27 2020 nbsp 0183 32 The programmer supplies the CH341A chip with 5 V which causes all of the data lines to also have 5 V logic levels At the same time the voltage supplied to the SPI flash memory is 3 3 V 3 3 V Fix For The Black CH341A Mini Programmer Without Lifting A . A Please check if the voltage switch K1 is in the 3 3v or 5v position below 3 3v may be unstable b Make sure your remote control battery voltage is normal or if the remote control is normal c Please remove the obstacles near the IR receiver head Connecting a 3 3V rated part for programming might result in damaging that part
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