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RAK14006 WisBlock Rotary Encoder Module Datasheet

Overview​

Description​

The RAK14006 is a rotary encoder module with PEC11L-4125F-S0020 from BOURNS. RAK14006 can detect user inputs such as rotation direction and rotation number of steps. Also, an independent push switch is provided for the user.

Features​

  • Rotary Encoder with an independent push switch
  • 3.3 V Power supply
  • Chipset: BOURNS PEC11L-4125F-S0020
  • Module Size: 25 mm x 35 mm

Specifications​

Overview​

Mounting​

The RAK14006 WisBlock Rotary Encoder Module can be mounted to the IO slot of the WisBlock Base board. Figure 1 shows the mounting mechanism of the RAK14006 on a WisBlock Base board, such as the RAK5005-O.

Figure 3473: RAK14006 WisBlock Rotary Encoder Module Mounting

Chipset​

VendorPart number
BOURNSPEC11L-4125F-S0020

Pin Definition​

The RAK14006 WisBlock Rotary Encoder Module comprises a standard WisIO connector. The WisIO connector allows the RAK14006 module to be mounted to a WisBlock baseboard, such as RAK5005-O. The pin order of the connector and the pinout definition is shown in Figure 2.

NOTE
  • The three(3) GPIOs: IO4, IO5, IO6, 3V3 and GND are connected to WisIO connector.
Figure 3474: RAK14006 WisBlock Rotary Encoder Module Pinout

Electrical Characteristics​

SymbolDescriptionConditionMin.Nom.Max.Unit
3V3_SSupply VoltageInput voltage must be within this range-3.3-V
RPMRevolutions Per MinuteOperating--60RPM
-Detent Numbers--20-detents
-Rotational LifeOperating100000--cycles

Mechanical Characteristics​

Board Dimensions​

Figure 3 shows the dimensions and the mechanical drawing of the RAK14006 module.

Figure 3475: RAK14006 WisBlock Rotary Encoder Dimensions
WisConnector PCB Layout​
Figure 3476: WisConnector PCB Footprint and Recommendations

Schematic Diagram​

Signal Input​

Signal A and Signal B are rotary encoder signals from PEC11L-4125F-S0020. SW is an independent push switch from PEC11L-4125F-S0020.

Figure 3477: RAK14006 Signal Input
Hardware Rotation Direction​

The RAK14006 can detect rotation direction using 74HC4538D. CW square wave only comes from OUT_CW, and the CCW square wave comes from OUT_CCW.

Figure 3478: Hardware Direction Rotation
WisConnector​
Figure 3479: RAK14006 Module WisConnector
NOTE
  • The three(3) GPIOs: IO4, IO5, IO6, 3V3 and GND are connected to WisIO connector.
  • By using R7 and R9 without connecting to R8 and R10, the MCU can get signals from the rotary encoder directly and the direction using the software.
  • If the R8 and R10 are used without connecting R7 and R9, the user can get the signal via hardware. Also, the user can get the rotation direction from which the GPIO the signal came from.