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3D Printing Class
It works also with Arduino Nano. It is important to remember that HC-05 modules tagged ZS-040 work with power between 3.6 and 6 V and RX and TX at 5V. When I tried to drive RX at 3.3 V , I had no response. Finally, RX and TX work at 9600 b/s , and at 38400 in AT mode.
Raspberry Pi Class
RaspberryView Instructable »
esp8266View Instructable »
Make a super cheap 3D printer using recycled parts
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