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Created SP108E HardwareMod (markdown)

Dieter Fauth 2018-09-30 17:24:28 +02:00
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SP108E-HardwareMod.md Normal file

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Warning: Construction zone.
With just two additional wires we can use Tasmota with the SP108E.
[**Analysis of the hardware**](SP108E-HardwareAnalysis)
The trick is to hold the STM32F0 controller in reset. Then we do not need to cut any traces on the PCB because all pins of the STM32F0 are inputs.
Another warning: I did not yet proof it actually works, this is work in progress.
- Wire 1 - NRST (pin 7) of STM32F0 to GND
- Wire 2 - IO4 of ESP-12 to R4
![pins svg](https://user-images.githubusercontent.com/19874899/46259105-0a9dec00-c4d5-11e8-9874-d0f72e7a6934.png)