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wcoref4_pcb [2017/10/04 22:01] latigid_on |
wcoref4_pcb [2018/08/20 21:27] latigid_on [Versions] |
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===== Versions ===== | ===== Versions ===== | ||
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+ | v1.2: general release. Changes: | ||
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+ | * The [[wcore_usb|USB]] board is now combined with the wCore. It can be used as is or broken apart and the USB reconnected with wires, a 2.54mm header or a 10-pin Micro-MaTch connector. | ||
+ | * Resistors R7B1-4 were renamed properly to R33A-D. R33**D** should have a different value (560~820R) than R33A/B/C (1k). Using longer cables on J15A/B and a smaller resistance for R33D could lead to displays not initialising properly. | ||
+ | * There is a circular silkscreen mark that aligns with the same mark on the Waveshare breakout. | ||
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v1.0: first release. | v1.0: first release. | ||
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* The 407v board should not protrude past the edge of the PCB. | * The 407v board should not protrude past the edge of the PCB. | ||
* Remove the OTG jumpers "FLG," "VBUS" and "PWR OUT." USB won't work properly with these closed. | * Remove the OTG jumpers "FLG," "VBUS" and "PWR OUT." USB won't work properly with these closed. | ||
- | * I believe that the correct state of the BOOT CONFIG switch should be set to "SYSTEM" | + | * I believe that the correct state of the BOOT CONFIG switch should be set to "FLASH" |
* There's another switch to select the +5V power. It should be set to "USB" when flashing the board using the USB mini connector as a power source, but for our purposes set it to "PWR 5V". | * There's another switch to select the +5V power. It should be set to "USB" when flashing the board using the USB mini connector as a power source, but for our purposes set it to "PWR 5V". | ||