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esp-ftl [2019/04/19 10:47]
donpdonp
esp-ftl [2019/11/24 19:05] (current)
donpdonp
Line 27: Line 27:
 ## FTL 2016-July ## FTL 2016-July
  
-{{http://donp.org/i/5SjT.jpg?500}}+{{hardware:esp12-ftl.jpg?500}}
  
 ## May 2016 Rev ## May 2016 Rev
Line 111: Line 111:
 ## Pins that matter for NodeMCU ## Pins that matter for NodeMCU
  
-  * Grounds: 1 or [17,18,19,20]+  * Grounds: 1 or center pads[17,18,19,20]
   * Power: 3   * Power: 3
-  * NeedHigh: 4[float ok], 11[float ok], 12[float ok]+  * NeedHigh: 4/CH_PD[float?], 11/IO2[float high], 12/IO0[float high]
   * NeedLow: 9   * NeedLow: 9
  
Line 125: Line 125:
   * add single neopx?   * add single neopx?
  
-## Reflow technique+## Hotplate Reflow technique
   warmup while on 'W' on WARM   warmup while on 'W' on WARM
   place board    place board 
Line 267: Line 267:
   SPI Flash Size & Map: 32Mbit(512KB+512KB)   SPI Flash Size & Map: 32Mbit(512KB+512KB)
  
 +
 +# 3.3v vreg considerations
 +
 +  * https://www.mouser.com/ProductDetail/Texas-Instruments/LMS8117AMP-33-NOPB?qs=sGAEpiMZZMsGz1a6aV8DcBojudwDyMGacuHNsdAV7yU%3D
 +  * https://www.mouser.com/ProductDetail/STMicroelectronics/LD29150DT33R?qs=sGAEpiMZZMsGz1a6aV8DcPlO7P8YByjW32ksfjzOXyE%3D
 +
 +# serial CTS/RTS 2019Nov
 +  * watched CTS/RTS on esp12s
 +    * CTS always high
 +    * RTS always low
 +    * no help
 +  * mongoose os reports esp8266 can handle 4MBaud, so speed is no issue
  
esp-ftl.1555696043.txt.gz ยท Last modified: 2019/04/19 10:47 by donpdonp