3-Channel 12 to 3.3 Volt levelshifter (Optocoupler for encoder connection to microcontroller)

1 year ago 284
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  • With this PCB it's possible to operate 12 V DC shaft encoders on a 3.3 V microcontroller.
  • Can also be operated as a unidirectional 3-channel voltage converter to read 12V signals on the microcontroller.


  • Mit diesem Board ist es möglich, 12 V Drehgeber an einem 3,3 V Mikrocontroller zu betreiben.
  • Kann auch als unidirektionaler 3-Kanal Spannungswandler betrieben werden, um 12V Signale am Mikrocontroller einlesen zu können.


circuit diagram



ID Name Designator Footprint Quantity BOM_Manufacturer Part BOM_Manufacturer BOM_Supplier BOM_Supplier Part
1 560 R3,R5,R1 RES-TH_BD2.4-L6.3-P10.30-D0.6 3 RNS14F5600A520NH Futaba Elec LCSC C274454
2 1K R4,R6,R2 RES-TH_BD2.5-L6.5-P10.50-D0.6 3 MFR0W4F1001A50 UniOhm LCSC C57435
3 SFH6106-1X001T U2,U3,U1 OPTO-SMD-4_L4.6-W6.5-P2.54-LS10.3-BL 3 SFH6106-1X001T VISHAY LCSC C6901
4 WJ250A-3.50-6P P1 CONN-TH_WJ250A-3.50-6P 1 WJ250A-3.50-6P ReliaPro LCSC C8417
5 41-F01-250-4 CN1,CN2 CONN-TH_41-F01-250-4 2 41-F01-250-4 HIWA LCSC C173392


Filename Download
Datenblatt Drehgeber.pdf
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