diff --git a/docs/StepperDrivers/Stepper_UNIPOLAR.md b/docs/StepperDrivers/Stepper_UNIPOLAR.md
index 55d0ad3..8c47dd9 100644
--- a/docs/StepperDrivers/Stepper_UNIPOLAR.md
+++ b/docs/StepperDrivers/Stepper_UNIPOLAR.md
@@ -24,9 +24,50 @@ It does *not* matter which coil is defined as *1* or *2*, nor which side is call
The patterns by which this class sets the specified pins HIGH and LOW depend on the *step mode* chosen as follows:
#### FULL_STEP_ONE_PHASE
+
+* 4-step cycles where in each step current flows only through **one** phase of **one** of the coils
+
+
+ | Phase A | Phase B |
+ | Coil 1 | Coil 2 | Coil 1 | Coil 2 |
+| Step 1 | HIGH | - | - | - |
+| Step 2 | - | HIGH | - | - |
+| Step 3 | - | - | HIGH | - |
+| Step 4 | - | - | - | HIGH |
+
+
+
#### FULL_STEP_TWO_PHASE
+
+* 4-step cycles where in each step current flows through **one** phase of **each** of the coils
+
+
+ | Phase A | Phase B |
+ | Coil 1 | Coil 2 | Coil 1 | Coil 2 |
+| Step 1 | HIGH | HIGH | - | - |
+| Step 2 | - | HIGH | HIGH | - |
+| Step 3 | - | - | HIGH | HIGH |
+| Step 4 | HIGH | - | - | HIGH |
+
+
+
#### HALF_STEP
+* 8-step cycles formed by interleaving the 4 steps of the FULL_STEP_ONE_PHASE mode with the 4 steps of the FULL_STEP_TWO_PHASE mode
+
+
+ | Phase A | Phase B |
+ | Coil 1 | Coil 2 | Coil 1 | Coil 2 |
+| Step 1 | HIGH | - | - | - |
+| Step 2 | HIGH | HIGH | - | - |
+| Step 3 | - | HIGH | - | - |
+| Step 4 | - | HIGH | HIGH | - |
+| Step 5 | - | - | HIGH | - |
+| Step 6 | - | - | HIGH | HIGH |
+| Step 7 | - | - | - | HIGH |
+| Step 8 | HIGH | - | - | HIGH |
+
+
---
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