Bluetooth module doest work

hello there everyone

im trying to make a little car following this tutorial
but they use the Bluetooth module MLT-BT05

i don't have that module so im trying to use this instead


i don't know any reference and when i try to search it appear the h0-c5 or h0-c6 module.

I thought it will work if i just connect the pins in the same order but it doesn't work anyone know why or how can i connect it to make it work

Nice project. Where did you get the board? Would you make a clearer picture of the front and back? The characters will help narrow the search.


You appear to have an ESP-01 rather than a Bluetooth module (hard to tell with the out of focus picture). They are completely different devices.

Component placement might point to ESP-01S

yeah it is :smile:

look the other side its a ESP-01S

do you know if i can use it for my project? or i need to find other one?

You could, but it would be a completely different project. The ESP-01S is a WiFi module. If you want to follow the tutorial you need to get a Bluetooth module.

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