Easy power supply for SPI flash programming (on board).
Автор: usbbdm
Загружено: 2020-05-11
Просмотров: 1359
Описание:
A lot of people use 3.3v from TTL as power source to program modem flash on board (SB6121). They fail a lot of time because the 3.3v from ttl simply not power enough to power the chip on board.
You need a power source of 12V and 1A. In the video I used 13V and 1.A adaptor.
You also need a step down buck converter. Both cheap ones (with or without display) or better ones (with current display) will work for your project.
In the video I showed two board and the one with current display will be the one I use in the future video. (No more DIY power box)
These board can be purchased at aliexpress or ebay for very low price.
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