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Hi, i’m making a flight computer for a rocket with the BMP280 and the MPU6050. The schematic I got online has pins like VIN and so on, but in the example of the BMP280, there are only pins for VDDIO and VDD, while the MPU6050 has VLOGIC and VDD. So, is VIN equivalent to VDD, or am i missing something here? Thanks a lot.
You should check the datasheets and/or application notes for such details. My first guess is they should all be connected to the same power supply, but possibly with some extra filtering, or extra attention for decoupling.
Yes, and No… Yes in the sense that Both are Supply Voltages and can be named anything the mfg want (i.e., Vdd, Vcc, Vss, V…etc) But ‘No’ in the specific Voltage value.
The 6050 has a 3Vmin and 5Vmax range and the 280 has … see screenshot. So, you need to ensure not exceeding the 3.6V. Thus, make appropriate circuit adjustments (can use resistors, diodes and LED’s… to reduce supply down to 3.6 or, use a 3.x supply source… Could also pump the 5v into a 7803 regulator to supply the 3v…
