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In PiSquare you can not flash esp8266, you can access esp8266 by AT Commands through RP2040

PiSquare consumes an average of 100 - 105 mA .when it is fully on it consumes approx 130 mA

@GeekyTim Actually some technical reasons we will not mention GPIO23 in PiSquare, we working on it, and in the future, we will update this. 

We uploaded the schematic, you can check it in this repositories

Boot mode is for inserting firmware. already micro python there in this hardware. For boot, Press the boot button then connect the USB, don,t release the button until you connect...

Hello, We are sorry for your experience. It could be a manufacturing issue. We will get all the pieces replaced. In the meanwhile, kindly try to troubleshoot by pressing the...

We upload AT Command pdf "ESP8266_AT_Instruction_set.pdf ", in our repository, go through this pdf.

@bmweller No, GPIO25 is not wired to anything on the board.

@bmweller Thank you, For your suggestion, In the next version, we will update this