   int offset = Tsunami.measureCurrentVoltage();
   Tsunami.setOffset(-1000);
   delay(200);
-  assert_nearly_equal("output_offset_neg", Tsunami.measureCurrentVoltage(), offset - 1325, 75);
+  assert_nearly_equal("output_offset_neg", Tsunami.measureCurrentVoltage(), offset - 1325, 100);
   Tsunami.setOffset(1000);
   delay(200);
-  assert_nearly_equal("output_offset_pos", Tsunami.measureCurrentVoltage(), offset + 1325, 75);
+  assert_nearly_equal("output_offset_pos", Tsunami.measureCurrentVoltage(), offset + 1325, 100);
   return true;
 }
 

bool test_zero_offset() {
  Tsunami.measureCurrentVoltage();
  delay(200);
  assert_nearly_equal("input_offset", Tsunami.measureCurrentVoltage(), 0, 75);
  return true;
}


  Tsunami.reset(true); Tsunami.reset(false);
  delay(100);
  assert_nearly_equal("input_freq_1m", (int32_t)Tsunami.measureFrequency(), 1000000l, 2l);
  assert_nearly_equal("input_phase_1m", (int16_t)(1000 * Tsunami.measurePhase()), 1000, 50);
}

test_t tests[] = {
