esp-ftl
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esp-ftl [2019/04/05 01:32] – [Rev 2019 Mar] donpdonp | esp-ftl [2019/11/24 18:08] – donpdonp | ||
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## FTL 2016-July | ## FTL 2016-July | ||
- | {{http:// | + | {{hardware:esp12-ftl.jpg?500}} |
## May 2016 Rev | ## May 2016 Rev | ||
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## Pins that matter for NodeMCU | ## Pins that matter for NodeMCU | ||
- | * Grounds: 1 or [17, | + | * Grounds: 1 or center pads[17, |
* Power: 3 | * Power: 3 | ||
- | * NeedHigh: 4[float | + | * NeedHigh: 4/CH_PD[float?], 11/IO2[float |
* NeedLow: 9 | * NeedLow: 9 | ||
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* add single neopx? | * add single neopx? | ||
- | ## Reflow technique | + | ## Hotplate |
warmup while on ' | warmup while on ' | ||
place board | place board | ||
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* esp32 (waiting) + winbond 4mb flash w25q32fv | * esp32 (waiting) + winbond 4mb flash w25q32fv | ||
* USB/Serial | * USB/Serial | ||
- | * USB Serial CP2102N, bonus 100ma 3.3v reg $1.66 (out of stock) | + | * USB Serial CP2102N, |
* FT230X, batt chg detection, QFN16 4x4 $2.04 | * FT230X, batt chg detection, QFN16 4x4 $2.04 | ||
* XR21V1410, QFN16 3x3 $3.88 | * XR21V1410, QFN16 3x3 $3.88 | ||
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## 8285 Nov 2016 | ## 8285 Nov 2016 | ||
- | * ESP needs a 26MHz Clock + 2 10pF caps | + | * ESP needs a 26MHz Crystal |
* JST connecors were changed to the wrong size | * JST connecors were changed to the wrong size | ||
* power CAP back-fed into data pin and fried! zener diode BAT-54S? | * power CAP back-fed into data pin and fried! zener diode BAT-54S? | ||
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* update: only MOSI & CLK needed. | * update: only MOSI & CLK needed. | ||
* update: any two gpio pins work | * update: any two gpio pins work | ||
- | * Add: 5v voltage monitor (v divider on adc) | + | * Add: 5v voltage monitor (v divider on adc, no room on adc. channels?) |
- | * Ambient light measure | + | * Ambient light measure |
* Flip gnd/data for temp sensor | * Flip gnd/data for temp sensor | ||
* add pwr-data resistor for sensor | * add pwr-data resistor for sensor | ||
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* attiny85 $2.24 | * attiny85 $2.24 | ||
* laserbee 8051 $1.38 | * laserbee 8051 $1.38 | ||
- | * 5v reg | + | * 1.5-5.5v -> 3.3v reg 500mA $1.09 LD39050PU33R |
- | * mini-usb | + | * 2-8v -> 3.3 reg 400ma $0.87 XC6203E332PR-G (easier to solder) |
+ | * 0-15v -> 3.3v reg 800mA $1.10 | ||
+ | * mini-usb | ||
* 5050 rgb | * 5050 rgb | ||
* 3030 rgb | * 3030 rgb | ||
* gpio led + resistor | * gpio led + resistor | ||
- | * ds18b20 + resistor | + | * ds18b20 |
+ | * bme280 press/ | ||
* VEML RGB sensor $2.12 | * VEML RGB sensor $2.12 | ||
+ | |||
+ | # ESP12s flash params | ||
+ | SPI Speed : 40MHz | ||
+ | SPI Mode : DIO | ||
+ | SPI Flash Size & Map: 32Mbit(512KB+512KB) | ||
+ | |||
+ | |||
+ | # 3.3v vreg considerations | ||
+ | |||
+ | * https:// | ||
+ | * https:// | ||
+ | |||
+ | # serial CTS/RTS 2019Nov | ||
+ | * watched CTS/RTS on esp12s | ||
+ | * CTS always high | ||
+ | * RTS always low | ||
+ | * no help | ||
esp-ftl.txt · Last modified: 2024/01/31 04:08 by 127.0.0.1