![]() Part: eBay ±5V ☙V ☑2V ☑5V 24V Positive&Negative Dual Power DC-DC Step-up Boost Converter. I haven’t yet got these so there isn’t yet a ![]() Or 78L15/79L15 linear regulators (from the ☒4v module). If you need very low noise output, these are available at up to ☒4V output and can then be used to drive a 78L12/79L12 (from the ☑5v module) The boost regulators are only a couple of bucks each for 2 to 3A output (again noting you are going to need 3 times that on the input side assuming you use 5v in, which is getting quite large). Module when you subtract the input voltage from the output,). If you need high current I’m not sure a couple of 2 or 3A boost adjustable boost regulators aren’t a better bet (+12 is obvious, -12 you make regulated +5V “ground” for the module and gnd the +VIN (which to the module looks like +5V in and set the output voltage to -17V (giving -12V at the output relative to circuit ground which is +VIN to the At less than $2 each (against $8 or so for 1 of the better one). 12V External power supply The following figure shows the Fritzing schematic for the connections between the seven-segment driver and the Raspberry Pi Pico.
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