ESP01 with 3 Pinouts needed

Chat here is you are connecting ESP-xx type modules to existing AVR based Arduino

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Re: ESP01 with 3 Pinouts needed

By GregryCM
- Tue Feb 09, 2016 2:14 pm #40816 J4 is a 3-pin connector that allows for easy connection of other I2C peripherals, if needed. It is also a handy spot to connect an oscilloscope or analyzer for debugging I2C.
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Re: ESP01 with 3 Pinouts needed

By Barnabybear
- Tue Feb 09, 2016 3:10 pm #40822 Hi, below is the schematic for the PCA9685 switching 16 channels with FETs. Not as neat as Gregry's and the FET symbol is incorrect but I needed to get it off to China as theres a 6 week turnround on the board manufacture at the moment. It's to control RGB strip for Christmas lighting.
https://dl.dropboxusercontent.com/u/76303613/ESP2.6-M.pdf
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