rgb_dimmer
Differences
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rgb_dimmer [2023/02/28 13:50] – breaker27 | rgb_dimmer [2023/02/28 14:24] (current) – [Modification of PCB rev. <= 1.1] breaker27 | ||
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- | ===== Modification of PCB rev. <= 1.1 ===== | + | ===== Modification of PCB rev. <= 1.1 and SW rev >= 0.13.0 |
- | The older PCBs have the speaker connected to PD3 (pin5). Since the 16 bit timer has to be used to generate accurate frequencies, | + | The older PCBs have the speaker connected to PD3 (pin5). Since the 16 bit timer has to be used to generate accurate frequencies, |
- | + | ||
- | The pin to drive the transistor for the blue LED has to be moved from PB1 (pin 15) to PD3 (pin 5). | + | |
In future PCB versions, this shall be changed in the schematic and layout. | In future PCB versions, this shall be changed in the schematic and layout. | ||
- | To perform the modification, | + | To perform the modification, |
+ | |||
+ | {{ rgb_dimmer_speaker_mod.jpg }} | ||
===== Flashing the firmware ===== | ===== Flashing the firmware ===== |
rgb_dimmer.1677588629.txt.gz · Last modified: 2023/02/28 13:50 by breaker27